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-rw-r--r--drivers/rtc/Kconfig17
-rw-r--r--drivers/rtc/Makefile2
-rw-r--r--drivers/rtc/interface.c30
-rw-r--r--drivers/rtc/rtc-at91sam9.c2
-rw-r--r--drivers/rtc/rtc-bq32k.c12
-rw-r--r--drivers/rtc/rtc-cmos.c2
-rw-r--r--drivers/rtc/rtc-coh901331.c2
-rw-r--r--drivers/rtc/rtc-da9052.c293
-rw-r--r--drivers/rtc/rtc-davinci.c2
-rw-r--r--drivers/rtc/rtc-ds1305.c12
-rw-r--r--drivers/rtc/rtc-ds1307.c182
-rw-r--r--drivers/rtc/rtc-ds1374.c13
-rw-r--r--drivers/rtc/rtc-ds1390.c12
-rw-r--r--drivers/rtc/rtc-ds1511.c2
-rw-r--r--drivers/rtc/rtc-ds1553.c2
-rw-r--r--drivers/rtc/rtc-ds1672.c13
-rw-r--r--drivers/rtc/rtc-ds3232.c13
-rw-r--r--drivers/rtc/rtc-ds3234.c12
-rw-r--r--drivers/rtc/rtc-em3027.c13
-rw-r--r--drivers/rtc/rtc-fm3130.c12
-rw-r--r--drivers/rtc/rtc-isl12022.c13
-rw-r--r--drivers/rtc/rtc-isl1208.c15
-rw-r--r--drivers/rtc/rtc-lpc32xx.c2
-rw-r--r--drivers/rtc/rtc-ls1x.c210
-rw-r--r--drivers/rtc/rtc-m41t80.c13
-rw-r--r--drivers/rtc/rtc-m41t93.c12
-rw-r--r--drivers/rtc/rtc-m41t94.c14
-rw-r--r--drivers/rtc/rtc-max6900.c13
-rw-r--r--drivers/rtc/rtc-max6902.c12
-rw-r--r--drivers/rtc/rtc-max8925.c21
-rw-r--r--drivers/rtc/rtc-mpc5121.c4
-rw-r--r--drivers/rtc/rtc-mrst.c2
-rw-r--r--drivers/rtc/rtc-mv.c2
-rw-r--r--drivers/rtc/rtc-nuc900.c2
-rw-r--r--drivers/rtc/rtc-omap.c4
-rw-r--r--drivers/rtc/rtc-pcf2123.c13
-rw-r--r--drivers/rtc/rtc-pcf8563.c13
-rw-r--r--drivers/rtc/rtc-pcf8583.c13
-rw-r--r--drivers/rtc/rtc-pl030.c15
-rw-r--r--drivers/rtc/rtc-pl031.c15
-rw-r--r--drivers/rtc/rtc-pm8xxx.c2
-rw-r--r--drivers/rtc/rtc-pxa.c4
-rw-r--r--drivers/rtc/rtc-r9701.c12
-rw-r--r--drivers/rtc/rtc-rs5c348.c13
-rw-r--r--drivers/rtc/rtc-rs5c372.c13
-rw-r--r--drivers/rtc/rtc-rv3029c2.c13
-rw-r--r--drivers/rtc/rtc-rx8025.c13
-rw-r--r--drivers/rtc/rtc-rx8581.c13
-rw-r--r--drivers/rtc/rtc-s35390a.c13
-rw-r--r--drivers/rtc/rtc-s3c.c4
-rw-r--r--drivers/rtc/rtc-sa1100.c7
-rw-r--r--drivers/rtc/rtc-sh.c8
-rw-r--r--drivers/rtc/rtc-spear.c100
-rw-r--r--drivers/rtc/rtc-stk17ta8.c2
-rw-r--r--drivers/rtc/rtc-twl.c28
-rw-r--r--drivers/rtc/rtc-tx4939.c2
-rw-r--r--drivers/rtc/rtc-vr41xx.c4
-rw-r--r--drivers/rtc/rtc-x1205.c13
58 files changed, 791 insertions, 529 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index c2365d45508..4768a9d2837 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -554,6 +554,13 @@ config RTC_DRV_DS1742
This driver can also be built as a module. If so, the module
will be called rtc-ds1742.
+config RTC_DRV_DA9052
+ tristate "Dialog DA9052/DA9053 RTC"
+ depends on PMIC_DA9052
+ help
+ Say y here to support the RTC driver for Dialog Semiconductor
+ DA9052-BC and DA9053-AA/Bx PMICs.
+
config RTC_DRV_EFI
tristate "EFI RTC"
depends on IA64
@@ -1070,4 +1077,14 @@ config RTC_DRV_PUV3
This drive can also be built as a module. If so, the module
will be called rtc-puv3.
+config RTC_DRV_LOONGSON1
+ tristate "loongson1 RTC support"
+ depends on MACH_LOONGSON1
+ help
+ This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
+ counter) to be used as a RTC.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ls1x.
+
endif # RTC_CLASS
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 6e6982335c1..727ae7786e6 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_RTC_DRV_BQ32K) += rtc-bq32k.o
obj-$(CONFIG_RTC_DRV_BQ4802) += rtc-bq4802.o
obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o
obj-$(CONFIG_RTC_DRV_COH901331) += rtc-coh901331.o
+obj-$(CONFIG_RTC_DRV_DA9052) += rtc-da9052.o
obj-$(CONFIG_RTC_DRV_DAVINCI) += rtc-davinci.o
obj-$(CONFIG_RTC_DRV_DM355EVM) += rtc-dm355evm.o
obj-$(CONFIG_RTC_DRV_VRTC) += rtc-mrst.o
@@ -53,6 +54,7 @@ obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o
obj-$(CONFIG_RTC_DRV_ISL12022) += rtc-isl12022.o
obj-$(CONFIG_RTC_DRV_JZ4740) += rtc-jz4740.o
obj-$(CONFIG_RTC_DRV_LPC32XX) += rtc-lpc32xx.o
+obj-$(CONFIG_RTC_DRV_LOONGSON1) += rtc-ls1x.o
obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o
obj-$(CONFIG_RTC_DRV_M41T93) += rtc-m41t93.o
obj-$(CONFIG_RTC_DRV_M41T94) += rtc-m41t94.o
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8a1c031391d..dc87eda6581 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
+ /* A timer might have just expired */
+ schedule_work(&rtc->irqwork);
return err;
}
EXPORT_SYMBOL_GPL(rtc_set_time);
@@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
+ /* A timer might have just expired */
+ schedule_work(&rtc->irqwork);
return err;
}
@@ -380,18 +384,27 @@ EXPORT_SYMBOL_GPL(rtc_set_alarm);
int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
{
int err;
+ struct rtc_time now;
err = rtc_valid_tm(&alarm->time);
if (err != 0)
return err;
+ err = rtc_read_time(rtc, &now);
+ if (err)
+ return err;
+
err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
return err;
rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
rtc->aie_timer.period = ktime_set(0, 0);
- if (alarm->enabled) {
+
+ /* Alarm has to be enabled & in the futrure for us to enqueue it */
+ if (alarm->enabled && (rtc_tm_to_ktime(now).tv64 <
+ rtc->aie_timer.node.expires.tv64)) {
+
rtc->aie_timer.enabled = 1;
timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
}
@@ -763,6 +776,14 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
return 0;
}
+static void rtc_alarm_disable(struct rtc_device *rtc)
+{
+ if (!rtc->ops || !rtc->ops->alarm_irq_enable)
+ return;
+
+ rtc->ops->alarm_irq_enable(rtc->dev.parent, false);
+}
+
/**
* rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
* @rtc rtc device
@@ -784,8 +805,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
struct rtc_wkalrm alarm;
int err;
next = timerqueue_getnext(&rtc->timerqueue);
- if (!next)
+ if (!next) {
+ rtc_alarm_disable(rtc);
return;
+ }
alarm.time = rtc_ktime_to_tm(next->expires);
alarm.enabled = 1;
err = __rtc_set_alarm(rtc, &alarm);
@@ -847,7 +870,8 @@ again:
err = __rtc_set_alarm(rtc, &alarm);
if (err == -ETIME)
goto again;
- }
+ } else
+ rtc_alarm_disable(rtc);
mutex_unlock(&rtc->ops_lock);
}
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index ee3c122c059..274a0aafe42 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -335,7 +335,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
/* register irq handler after we know what name we'll use */
ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt,
- IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SHARED,
dev_name(&rtc->rtcdev->dev), rtc);
if (ret) {
dev_dbg(&pdev->dev, "can't share IRQ %d?\n", AT91_ID_SYS);
diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c
index 408cc8f735b..f090159dce4 100644
--- a/drivers/rtc/rtc-bq32k.c
+++ b/drivers/rtc/rtc-bq32k.c
@@ -187,17 +187,7 @@ static struct i2c_driver bq32k_driver = {
.id_table = bq32k_id,
};
-static __init int bq32k_init(void)
-{
- return i2c_add_driver(&bq32k_driver);
-}
-module_init(bq32k_init);
-
-static __exit void bq32k_exit(void)
-{
- i2c_del_driver(&bq32k_driver);
-}
-module_exit(bq32k_exit);
+module_i2c_driver(bq32k_driver);
MODULE_AUTHOR("Semihalf, Piotr Ziecik <kosmo@semihalf.com>");
MODULE_DESCRIPTION("TI BQ32000 I2C RTC driver");
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index d7782aa0994..7d5f56edb8e 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -714,7 +714,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
rtc_cmos_int_handler = cmos_interrupt;
retval = request_irq(rtc_irq, rtc_cmos_int_handler,
- IRQF_DISABLED, dev_name(&cmos_rtc.rtc->dev),
+ 0, dev_name(&cmos_rtc.rtc->dev),
cmos_rtc.rtc);
if (retval < 0) {
dev_dbg(dev, "IRQ %d is already in use\n", rtc_irq);
diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c
index 80f9c88214c..a5b8a0c4ea8 100644
--- a/drivers/rtc/rtc-coh901331.c
+++ b/drivers/rtc/rtc-coh901331.c
@@ -199,7 +199,7 @@ static int __init coh901331_probe(struct platform_device *pdev)
}
rtap->irq = platform_get_irq(pdev, 0);
- if (request_irq(rtap->irq, coh901331_interrupt, IRQF_DISABLED,
+ if (request_irq(rtap->irq, coh901331_interrupt, 0,
"RTC COH 901 331 Alarm", rtap)) {
ret = -EIO;
goto out_no_irq;
diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c
new file mode 100644
index 00000000000..da6ab5291a4
--- /dev/null
+++ b/drivers/rtc/rtc-da9052.c
@@ -0,0 +1,293 @@
+/*
+ * Real time clock driver for DA9052
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: Dajun Dajun Chen <dajun.chen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+
+#include <linux/mfd/da9052/da9052.h>
+#include <linux/mfd/da9052/reg.h>
+
+#define rtc_err(da9052, fmt, ...) \
+ dev_err(da9052->dev, "%s: " fmt, __func__, ##__VA_ARGS__)
+
+struct da9052_rtc {
+ struct rtc_device *rtc;
+ struct da9052 *da9052;
+ int irq;
+};
+
+static int da9052_rtc_enable_alarm(struct da9052 *da9052, bool enable)
+{
+ int ret;
+ if (enable) {
+ ret = da9052_reg_update(da9052, DA9052_ALARM_Y_REG,
+ DA9052_ALARM_Y_ALARM_ON,
+ DA9052_ALARM_Y_ALARM_ON);
+ if (ret != 0)
+ rtc_err(da9052, "Failed to enable ALM: %d\n", ret);
+ } else {
+ ret = da9052_reg_update(da9052, DA9052_ALARM_Y_REG,
+ DA9052_ALARM_Y_ALARM_ON, 0);
+ if (ret != 0)
+ rtc_err(da9052, "Write error: %d\n", ret);
+ }
+ return ret;
+}
+
+static irqreturn_t da9052_rtc_irq(int irq, void *data)
+{
+ struct da9052_rtc *rtc = data;
+ int ret;
+
+ ret = da9052_reg_read(rtc->da9052, DA9052_ALARM_MI_REG);
+ if (ret < 0) {
+ rtc_err(rtc->da9052, "Read error: %d\n", ret);
+ return IRQ_NONE;
+ }
+
+ if (ret & DA9052_ALARMMI_ALARMTYPE) {
+ da9052_rtc_enable_alarm(rtc->da9052, 0);
+ rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF);
+ } else
+ rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_PF);
+
+ return IRQ_HANDLED;
+}
+
+static int da9052_read_alarm(struct da9052 *da9052, struct rtc_time *rtc_tm)
+{
+ int ret;
+ uint8_t v[5];
+
+ ret = da9052_group_read(da9052, DA9052_ALARM_MI_REG, 5, v);
+ if (ret != 0) {
+ rtc_err(da9052, "Failed to group read ALM: %d\n", ret);
+ return ret;
+ }
+
+ rtc_tm->tm_year = (v[4] & DA9052_RTC_YEAR) + 100;
+ rtc_tm->tm_mon = (v[3] & DA9052_RTC_MONTH) - 1;
+ rtc_tm->tm_mday = v[2] & DA9052_RTC_DAY;
+ rtc_tm->tm_hour = v[1] & DA9052_RTC_HOUR;
+ rtc_tm->tm_min = v[0] & DA9052_RTC_MIN;
+
+ ret = rtc_valid_tm(rtc_tm);
+ if (ret != 0)
+ return ret;
+ return ret;
+}
+
+static int da9052_set_alarm(struct da9052 *da9052, struct rtc_time *rtc_tm)
+{
+ int ret;
+ uint8_t v[3];
+
+ rtc_tm->tm_year -= 100;
+ rtc_tm->tm_mon += 1;
+
+ ret = da9052_reg_update(da9052, DA9052_ALARM_MI_REG,
+ DA9052_RTC_MIN, rtc_tm->tm_min);
+ if (ret != 0) {
+ rtc_err(da9052, "Failed to write ALRM MIN: %d\n", ret);
+ return ret;
+ }
+
+ v[0] = rtc_tm->tm_hour;
+ v[1] = rtc_tm->tm_mday;
+ v[2] = rtc_tm->tm_mon;
+
+ ret = da9052_group_write(da9052, DA9052_ALARM_H_REG, 3, v);
+ if (ret < 0)
+ return ret;
+
+ ret = da9052_reg_update(da9052, DA9052_ALARM_Y_REG,
+ DA9052_RTC_YEAR, rtc_tm->tm_year);
+ if (ret != 0)
+ rtc_err(da9052, "Failed to write ALRM YEAR: %d\n", ret);
+
+ return ret;
+}
+
+static int da9052_rtc_get_alarm_status(struct da9052 *da9052)
+{
+ int ret;
+
+ ret = da9052_reg_read(da9052, DA9052_ALARM_Y_REG);
+ if (ret < 0) {
+ rtc_err(da9052, "Failed to read ALM: %d\n", ret);
+ return ret;
+ }
+ ret &= DA9052_ALARM_Y_ALARM_ON;
+ return (ret > 0) ? 1 : 0;
+}
+
+static int da9052_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
+{
+ struct da9052_rtc *rtc = dev_get_drvdata(dev);
+ uint8_t v[6];
+ int ret;
+
+ ret = da9052_group_read(rtc->da9052, DA9052_COUNT_S_REG, 6, v);
+ if (ret < 0) {
+ rtc_err(rtc->da9052, "Failed to read RTC time : %d\n", ret);
+ return ret;
+ }
+
+ rtc_tm->tm_year = (v[5] & DA9052_RTC_YEAR) + 100;
+ rtc_tm->tm_mon = (v[4] & DA9052_RTC_MONTH) - 1;
+ rtc_tm->tm_mday = v[3] & DA9052_RTC_DAY;
+ rtc_tm->tm_hour = v[2] & DA9052_RTC_HOUR;
+ rtc_tm->tm_min = v[1] & DA9052_RTC_MIN;
+ rtc_tm->tm_sec = v[0] & DA9052_RTC_SEC;
+
+ ret = rtc_valid_tm(rtc_tm);
+ if (ret != 0) {
+ rtc_err(rtc->da9052, "rtc_valid_tm failed: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int da9052_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+ struct da9052_rtc *rtc;
+ uint8_t v[6];
+
+ rtc = dev_get_drvdata(dev);
+
+ v[0] = tm->tm_sec;
+ v[1] = tm->tm_min;
+ v[2] = tm->tm_hour;
+ v[3] = tm->tm_mday;
+ v[4] = tm->tm_mon + 1;
+ v[5] = tm->tm_year - 100;
+
+ return da9052_group_write(rtc->da9052, DA9052_COUNT_S_REG, 6, v);
+}
+
+static int da9052_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+ int ret;
+ struct rtc_time *tm = &alrm->time;
+ struct da9052_rtc *rtc = dev_get_drvdata(dev);
+
+ ret = da9052_read_alarm(rtc->da9052, tm);
+
+ if (ret)
+ return ret;
+
+ alrm->enabled = da9052_rtc_get_alarm_status(rtc->da9052);
+
+ return 0;
+}
+
+static int da9052_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+ int ret;
+ struct rtc_time *tm = &alrm->time;
+ struct da9052_rtc *rtc = dev_get_drvdata(dev);
+
+ ret = da9052_rtc_enable_alarm(rtc->da9052, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = da9052_set_alarm(rtc->da9052, tm);
+ if (ret)
+ return ret;
+
+ ret = da9052_rtc_enable_alarm(rtc->da9052, 1);
+
+ return ret;
+}
+
+static int da9052_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+ struct da9052_rtc *rtc = dev_get_drvdata(dev);
+
+ return da9052_rtc_enable_alarm(rtc->da9052, enabled);
+}
+
+static const struct rtc_class_ops da9052_rtc_ops = {
+ .read_time = da9052_rtc_read_time,
+ .set_time = da9052_rtc_set_time,
+ .read_alarm = da9052_rtc_read_alarm,
+ .set_alarm = da9052_rtc_set_alarm,
+ .alarm_irq_enable = da9052_rtc_alarm_irq_enable,
+};
+
+static int __devinit da9052_rtc_probe(struct platform_device *pdev)
+{
+ struct da9052_rtc *rtc;
+ int ret;
+
+ rtc = devm_kzalloc(&pdev->dev, sizeof(struct da9052_rtc), GFP_KERNEL);
+ if (!rtc)
+ return -ENOMEM;
+
+ rtc->da9052 = dev_get_drvdata(pdev->dev.parent);
+ platform_set_drvdata(pdev, rtc);
+ rtc->irq = platform_get_irq_byname(pdev, "ALM");
+ ret = request_threaded_irq(rtc->irq, NULL, da9052_rtc_irq,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ "ALM", rtc);
+ if (ret != 0) {
+ rtc_err(rtc->da9052, "irq registration failed: %d\n", ret);
+ goto err_mem;
+ }
+
+ rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+ &da9052_rtc_ops, THIS_MODULE);
+ if (IS_ERR(rtc->rtc)) {
+ ret = PTR_ERR(rtc->rtc);
+ goto err_free_irq;
+ }
+
+ return 0;
+
+err_free_irq:
+ free_irq(rtc->irq, rtc);
+err_mem:
+ devm_kfree(&pdev->dev, rtc);
+ return ret;
+}
+
+static int __devexit da9052_rtc_remove(struct platform_device *pdev)
+{
+ struct da9052_rtc *rtc = pdev->dev.platform_data;
+
+ rtc_device_unregister(rtc->rtc);
+ free_irq(rtc->irq, rtc);
+ platform_set_drvdata(pdev, NULL);
+ devm_kfree(&pdev->dev, rtc);
+
+ return 0;
+}
+
+static struct platform_driver da9052_rtc_driver = {
+ .probe = da9052_rtc_probe,
+ .remove = __devexit_p(da9052_rtc_remove),
+ .driver = {
+ .name = "da9052-rtc",
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(da9052_rtc_driver);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("RTC driver for Dialog DA9052 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da9052-rtc");
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index 755e1fe914a..14c2109dbaa 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -542,7 +542,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CCTRL);
ret = request_irq(davinci_rtc->irq, davinci_rtc_interrupt,
- IRQF_DISABLED, "davinci_rtc", davinci_rtc);
+ 0, "davinci_rtc", davinci_rtc);
if (ret < 0) {
dev_err(dev, "unable to register davinci RTC interrupt\n");
goto fail4;
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 3a33b1fdbe0..686a865913e 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -814,17 +814,7 @@ static struct spi_driver ds1305_driver = {
/* REVISIT add suspend/resume */
};
-static int __init ds1305_init(void)
-{
- return spi_register_driver(&ds1305_driver);
-}
-module_init(ds1305_init);
-
-static void __exit ds1305_exit(void)
-{
- spi_unregister_driver(&ds1305_driver);
-}
-module_exit(ds1305_exit);
+module_spi_driver(ds1305_driver);
MODULE_DESCRIPTION("RTC driver for DS1305 and DS1306 chips");
MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 62b0763b7b9..cd188ab72f7 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -20,7 +20,8 @@
-/* We can't determine type by probing, but if we expect pre-Linux code
+/*
+ * We can't determine type by probing, but if we expect pre-Linux code
* to have set the chip up as a clock (turning on the oscillator and
* setting the date and time), Linux can ignore the non-clock features.
* That's a natural job for a factory or repair bench.
@@ -36,7 +37,8 @@ enum ds_type {
m41t00,
mcp7941x,
rx_8025,
- // rs5c372 too? different address...
+ last_ds_type /* always last */
+ /* rs5c372 too? different address... */
};
@@ -58,7 +60,8 @@ enum ds_type {
# define DS1337_BIT_CENTURY 0x80 /* in REG_MONTH */
#define DS1307_REG_YEAR 0x06 /* 00-99 */
-/* Other registers (control, status, alarms, trickle charge, NVRAM, etc)
+/*
+ * Other registers (control, status, alarms, trickle charge, NVRAM, etc)
* start at 7, and they differ a LOT. Only control and status matter for
* basic RTC date and time functionality; be careful using them.
*/
@@ -102,6 +105,8 @@ enum ds_type {
struct ds1307 {
u8 offset; /* register's offset */
u8 regs[11];
+ u16 nvram_offset;
+ struct bin_attribute *nvram;
enum ds_type type;
unsigned long flags;
#define HAS_NVRAM 0 /* bit 0 == sysfs file active */
@@ -116,34 +121,35 @@ struct ds1307 {
};
struct chip_desc {
- unsigned nvram56:1;
unsigned alarm:1;
+ u16 nvram_offset;
+ u16 nvram_size;
};
-static const struct chip_desc chips[] = {
-[ds_1307] = {
- .nvram56 = 1,
-},
-[ds_1337] = {
- .alarm = 1,
-},
-[ds_1338] = {
- .nvram56 = 1,
-},
-[ds_1339] = {
- .alarm = 1,
-},
-[ds_1340] = {
-},
-[ds_3231] = {
- .alarm = 1,
-},
-[m41t00] = {
-},
-[mcp7941x] = {
-},
-[rx_8025] = {
-}, };
+static const struct chip_desc chips[last_ds_type] = {
+ [ds_1307] = {
+ .nvram_offset = 8,
+ .nvram_size = 56,
+ },
+ [ds_1337] = {
+ .alarm = 1,
+ },
+ [ds_1338] = {
+ .nvram_offset = 8,
+ .nvram_size = 56,
+ },
+ [ds_1339] = {
+ .alarm = 1,
+ },
+ [ds_3231] = {
+ .alarm = 1,
+ },
+ [mcp7941x] = {
+ /* this is battery backed SRAM */
+ .nvram_offset = 0x20,
+ .nvram_size = 0x40,
+ },
+};
static const struct i2c_device_id ds1307_id[] = {
{ "ds1307", ds_1307 },
@@ -372,6 +378,11 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
| DS1340_BIT_CENTURY;
break;
case mcp7941x:
+ /*
+ * these bits were cleared when preparing the date/time
+ * values and need to be set again before writing the
+ * buffer out to the device.
+ */
buf[DS1307_REG_SECS] |= MCP7941X_BIT_ST;
buf[DS1307_REG_WDAY] |= MCP7941X_BIT_VBATEN;
break;
@@ -417,7 +428,8 @@ static int ds1337_read_alarm(struct device *dev, struct rtc_wkalrm *t)
ds1307->regs[6], ds1307->regs[7],
ds1307->regs[8]);
- /* report alarm time (ALARM1); assume 24 hour and day-of-month modes,
+ /*
+ * report alarm time (ALARM1); assume 24 hour and day-of-month modes,
* and that all four fields are checked matches
*/
t->time.tm_sec = bcd2bin(ds1307->regs[0] & 0x7f);
@@ -445,7 +457,7 @@ static int ds1337_read_alarm(struct device *dev, struct rtc_wkalrm *t)
static int ds1337_set_alarm(struct device *dev, struct rtc_wkalrm *t)
{
- struct i2c_client *client = to_i2c_client(dev);
+ struct i2c_client *client = to_i2c_client(dev);
struct ds1307 *ds1307 = i2c_get_clientdata(client);
unsigned char *buf = ds1307->regs;
u8 control, status;
@@ -541,8 +553,6 @@ static const struct rtc_class_ops ds13xx_rtc_ops = {
/*----------------------------------------------------------------------*/
-#define NVRAM_SIZE 56
-
static ssize_t
ds1307_nvram_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
@@ -555,14 +565,15 @@ ds1307_nvram_read(struct file *filp, struct kobject *kobj,
client = kobj_to_i2c_client(kobj);
ds1307 = i2c_get_clientdata(client);
- if (unlikely(off >= NVRAM_SIZE))
+ if (unlikely(off >= ds1307->nvram->size))
return 0;
- if ((off + count) > NVRAM_SIZE)
- count = NVRAM_SIZE - off;
+ if ((off + count) > ds1307->nvram->size)
+ count = ds1307->nvram->size - off;
if (unlikely(!count))
return count;
- result = ds1307->read_block_data(client, 8 + off, count, buf);
+ result = ds1307->read_block_data(client, ds1307->nvram_offset + off,
+ count, buf);
if (result < 0)
dev_err(&client->dev, "%s error %d\n", "nvram read", result);
return result;
@@ -580,14 +591,15 @@ ds1307_nvram_write(struct file *filp, struct kobject *kobj,
client = kobj_to_i2c_client(kobj);
ds1307 = i2c_get_clientdata(client);
- if (unlikely(off >= NVRAM_SIZE))
+ if (unlikely(off >= ds1307->nvram->size))
return -EFBIG;
- if ((off + count) > NVRAM_SIZE)
- count = NVRAM_SIZE - off;
+ if ((off + count) > ds1307->nvram->size)
+ count = ds1307->nvram->size - off;
if (unlikely(!count))
return count;
- result = ds1307->write_block_data(client, 8 + off, count, buf);
+ result = ds1307->write_block_data(client, ds1307->nvram_offset + off,
+ count, buf);
if (result < 0) {
dev_err(&client->dev, "%s error %d\n", "nvram write", result);
return result;
@@ -595,21 +607,8 @@ ds1307_nvram_write(struct file *filp, struct kobject *kobj,
return count;
}
-static struct bin_attribute nvram = {
- .attr = {
- .name = "nvram",
- .mode = S_IRUGO | S_IWUSR,
- },
-
- .read = ds1307_nvram_read,
- .write = ds1307_nvram_write,
- .size = NVRAM_SIZE,
-};
-
/*----------------------------------------------------------------------*/
-static struct i2c_driver ds1307_driver;
-
static int __devinit ds1307_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -630,7 +629,8 @@ static int __devinit ds1307_probe(struct i2c_client *client,
&& !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
return -EIO;
- if (!(ds1307 = kzalloc(sizeof(struct ds1307), GFP_KERNEL)))
+ ds1307 = kzalloc(sizeof(struct ds1307), GFP_KERNEL);
+ if (!ds1307)
return -ENOMEM;
i2c_set_clientdata(client, ds1307);
@@ -652,11 +652,6 @@ static int __devinit ds1307_probe(struct i2c_client *client,
case ds_1337:
case ds_1339:
case ds_3231:
- /* has IRQ? */
- if (ds1307->client->irq > 0 && chip->alarm) {
- INIT_WORK(&ds1307->work, ds1307_work);
- want_irq = true;
- }
/* get registers that the "rtc" read below won't read... */
tmp = ds1307->read_block_data(ds1307->client,
DS1337_REG_CONTROL, 2, buf);
@@ -670,14 +665,19 @@ static int __devinit ds1307_probe(struct i2c_client *client,
if (ds1307->regs[0] & DS1337_BIT_nEOSC)
ds1307->regs[0] &= ~DS1337_BIT_nEOSC;
- /* Using IRQ? Disable the square wave and both alarms.
+ /*
+ * Using IRQ? Disable the square wave and both alarms.
* For some variants, be sure alarms can trigger when we're
* running on Vbackup (BBSQI/BBSQW)
*/
- if (want_irq) {
+ if (ds1307->client->irq > 0 && chip->alarm) {
+ INIT_WORK(&ds1307->work, ds1307_work);
+
ds1307->regs[0] |= DS1337_BIT_INTCN
| bbsqi_bitpos[ds1307->type];
ds1307->regs[0] &= ~(DS1337_BIT_A2IE | DS1337_BIT_A1IE);
+
+ want_irq = true;
}
i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL,
@@ -772,7 +772,8 @@ read_rtc:
goto exit_free;
}
- /* minimal sanity checking; some chips (like DS1340) don't
+ /*
+ * minimal sanity checking; some chips (like DS1340) don't
* specify the extra bits as must-be-zero, but there are
* still a few values that are clearly out-of-range.
*/
@@ -836,11 +837,7 @@ read_rtc:
}
break;
- case rx_8025:
- case ds_1337:
- case ds_1339:
- case ds_1388:
- case ds_3231:
+ default:
break;
}
@@ -848,7 +845,8 @@ read_rtc:
switch (ds1307->type) {
case ds_1340:
case m41t00:
- /* NOTE: ignores century bits; fix before deploying
+ /*
+ * NOTE: ignores century bits; fix before deploying
* systems that will run through year 2100.
*/
break;
@@ -858,7 +856,8 @@ read_rtc:
if (!(tmp & DS1307_BIT_12HR))
break;
- /* Be sure we're in 24 hour mode. Multi-master systems
+ /*
+ * Be sure we're in 24 hour mode. Multi-master systems
* take note...
*/
tmp = bcd2bin(tmp & 0x1f);
@@ -894,16 +893,31 @@ read_rtc:
dev_dbg(&client->dev, "got IRQ %d\n", client->irq);
}
- if (chip->nvram56) {
- err = sysfs_create_bin_file(&client->dev.kobj, &nvram);
- if (err == 0) {
- set_bit(HAS_NVRAM, &ds1307->flags);
- dev_info(&client->dev, "56 bytes nvram\n");
+ if (chip->nvram_size) {
+ ds1307->nvram = kzalloc(sizeof(struct bin_attribute),
+ GFP_KERNEL);
+ if (!ds1307->nvram) {
+ err = -ENOMEM;
+ goto exit_nvram;
+ }
+ ds1307->nvram->attr.name = "nvram";
+ ds1307->nvram->attr.mode = S_IRUGO | S_IWUSR;
+ ds1307->nvram->read = ds1307_nvram_read,
+ ds1307->nvram->write = ds1307_nvram_write,
+ ds1307->nvram->size = chip->nvram_size;
+ ds1307->nvram_offset = chip->nvram_offset;
+ err = sysfs_create_bin_file(&client->dev.kobj, ds1307->nvram);
+ if (err) {
+ kfree(ds1307->nvram);
+ goto exit_nvram;
}
+ set_bit(HAS_NVRAM, &ds1307->flags);
+ dev_info(&client->dev, "%zu bytes nvram\n", ds1307->nvram->size);
}
return 0;
+exit_nvram:
exit_irq:
rtc_device_unregister(ds1307->rtc);
exit_free:
@@ -913,15 +927,17 @@ exit_free:
static int __devexit ds1307_remove(struct i2c_client *client)
{
- struct ds1307 *ds1307 = i2c_get_clientdata(client);
+ struct ds1307 *ds1307 = i2c_get_clientdata(client);
if (test_and_clear_bit(HAS_ALARM, &ds1307->flags)) {
free_irq(client->irq, client);
cancel_work_sync(&ds1307->work);
}
- if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags))
- sysfs_remove_bin_file(&client->dev.kobj, &nvram);
+ if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags)) {
+ sysfs_remove_bin_file(&client->dev.kobj, ds1307->nvram);
+ kfree(ds1307->nvram);
+ }
rtc_device_unregister(ds1307->rtc);
kfree(ds1307);
@@ -938,17 +954,7 @@ static struct i2c_driver ds1307_driver = {
.id_table = ds1307_id,
};
-static int __init ds1307_init(void)
-{
- return i2c_add_driver(&ds1307_driver);
-}
-module_init(ds1307_init);
-
-static void __exit ds1307_exit(void)
-{
- i2c_del_driver(&ds1307_driver);
-}
-module_exit(ds1307_exit);
+module_i2c_driver(ds1307_driver);
MODULE_DESCRIPTION("RTC driver for DS1307 and similar chips");
MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index e6e71deb188..966316088b7 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -446,18 +446,7 @@ static struct i2c_driver ds1374_driver = {
.id_table = ds1374_id,
};
-static int __init ds1374_init(void)
-{
- return i2c_add_driver(&ds1374_driver);
-}
-
-static void __exit ds1374_exit(void)
-{
- i2c_del_driver(&ds1374_driver);
-}
-
-module_init(ds1374_init);
-module_exit(ds1374_exit);
+module_i2c_driver(ds1374_driver);
MODULE_AUTHOR("Scott Wood <scottwood@freescale.com>");
MODULE_DESCRIPTION("Maxim/Dallas DS1374 RTC Driver");
diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index b038d2cfef2..b0a99e1b25b 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -175,17 +175,7 @@ static struct spi_driver ds1390_driver = {
.remove = __devexit_p(ds1390_remove),
};
-static __init int ds1390_init(void)
-{
- return spi_register_driver(&ds1390_driver);
-}
-module_init(ds1390_init);
-
-static __exit void ds1390_exit(void)
-{
- spi_unregister_driver(&ds1390_driver);
-}
-module_exit(ds1390_exit);
+module_spi_driver(ds1390_driver);
MODULE_DESCRIPTION("Dallas/Maxim DS1390/93/94 SPI RTC driver");
MODULE_AUTHOR("Mark Jackson <mpfj@mimc.co.uk>");
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 761f36bc83a..1f675f5294f 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -532,7 +532,7 @@ ds1511_rtc_probe(struct platform_device *pdev)
if (pdata->irq > 0) {
rtc_read(RTC_CMD1);
if (devm_request_irq(&pdev->dev, pdata->irq, ds1511_interrupt,
- IRQF_DISABLED | IRQF_SHARED, pdev->name, pdev) < 0) {
+ IRQF_SHARED, pdev->name, pdev) < 0) {
dev_warn(&pdev->dev, "interrupt not available.\n");
pdata->irq = 0;
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 6f0a1b530f2..6ccedbbf923 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -320,7 +320,7 @@ static int __devinit ds1553_rtc_probe(struct platform_device *pdev)
writeb(0, ioaddr + RTC_INTERRUPTS);
if (devm_request_irq(&pdev->dev, pdata->irq,
ds1553_rtc_interrupt,
- IRQF_DISABLED, pdev->name, pdev) < 0) {
+ 0, pdev->name, pdev) < 0) {
dev_warn(&pdev->dev, "interrupt not available.\n");
pdata->irq = 0;
}
diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c
index a319402a544..7fa67d0df17 100644
--- a/drivers/rtc/rtc-ds1672.c
+++ b/drivers/rtc/rtc-ds1672.c
@@ -202,20 +202,9 @@ static struct i2c_driver ds1672_driver = {
.id_table = ds1672_id,
};
-static int __init ds1672_init(void)
-{
- return i2c_add_driver(&ds1672_driver);
-}
-
-static void __exit ds1672_exit(void)
-{
- i2c_del_driver(&ds1672_driver);
-}
+module_i2c_driver(ds1672_driver);
MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
MODULE_DESCRIPTION("Dallas/Maxim DS1672 timekeeper driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(ds1672_init);
-module_exit(ds1672_exit);
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index 27b7bf672ac..e1945095814 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -473,18 +473,7 @@ static struct i2c_driver ds3232_driver = {
.id_table = ds3232_id,
};
-static int __init ds3232_init(void)
-{
- return i2c_add_driver(&ds3232_driver);
-}
-
-static void __exit ds3232_exit(void)
-{
- i2c_del_driver(&ds3232_driver);
-}
-
-module_init(ds3232_init);
-module_exit(ds3232_exit);
+module_i2c_driver(ds3232_driver);
MODULE_AUTHOR("Srikanth Srinivasan <srikanth.srinivasan@freescale.com>");
MODULE_DESCRIPTION("Maxim/Dallas DS3232 RTC Driver");
diff --git a/drivers/rtc/rtc-ds3234.c b/drivers/rtc/rtc-ds3234.c
index bbd26228f53..fda707926f0 100644
--- a/drivers/rtc/rtc-ds3234.c
+++ b/drivers/rtc/rtc-ds3234.c
@@ -173,17 +173,7 @@ static struct spi_driver ds3234_driver = {
.remove = __devexit_p(ds3234_remove),
};
-static __init int ds3234_init(void)
-{
- return spi_register_driver(&ds3234_driver);
-}
-module_init(ds3234_init);
-
-static __exit void ds3234_exit(void)
-{
- spi_unregister_driver(&ds3234_driver);
-}
-module_exit(ds3234_exit);
+module_spi_driver(ds3234_driver);
MODULE_DESCRIPTION("DS3234 SPI RTC driver");
MODULE_AUTHOR("Dennis Aberilla <denzzzhome@yahoo.com>");
diff --git a/drivers/rtc/rtc-em3027.c b/drivers/rtc/rtc-em3027.c
index 8414dea5fb1..0104ea7ebe5 100644
--- a/drivers/rtc/rtc-em3027.c
+++ b/drivers/rtc/rtc-em3027.c
@@ -144,19 +144,8 @@ static struct i2c_driver em3027_driver = {
.id_table = em3027_id,
};
-static int __init em3027_init(void)
-{
- return i2c_add_driver(&em3027_driver);
-}
-
-static void __exit em3027_exit(void)
-{
- i2c_del_driver(&em3027_driver);
-}
+module_i2c_driver(em3027_driver);
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_DESCRIPTION("EM Microelectronic EM3027 RTC driver");
MODULE_LICENSE("GPL");
-
-module_init(em3027_init);
-module_exit(em3027_exit);
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index 4cf2e70c507..86b6ecce99f 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -565,17 +565,7 @@ static struct i2c_driver fm3130_driver = {
.id_table = fm3130_id,
};
-static int __init fm3130_init(void)
-{
- return i2c_add_driver(&fm3130_driver);
-}
-module_init(fm3130_init);
-
-static void __exit fm3130_exit(void)
-{
- i2c_del_driver(&fm3130_driver);
-}
-module_exit(fm3130_exit);
+module_i2c_driver(fm3130_driver);
MODULE_DESCRIPTION("RTC driver for FM3130");
MODULE_AUTHOR("Sergey Lapin <slapin@ossfans.org>");
diff --git a/drivers/rtc/rtc-isl12022.c b/drivers/rtc/rtc-isl12022.c
index 6186833973e..1850104705c 100644
--- a/drivers/rtc/rtc-isl12022.c
+++ b/drivers/rtc/rtc-isl12022.c
@@ -309,18 +309,7 @@ static struct i2c_driver isl12022_driver = {
.id_table = isl12022_id,
};
-static int __init isl12022_init(void)
-{
- return i2c_add_driver(&isl12022_driver);
-}
-
-static void __exit isl12022_exit(void)
-{
- i2c_del_driver(&isl12022_driver);
-}
-
-module_init(isl12022_init);
-module_exit(isl12022_exit);
+module_i2c_driver(isl12022_driver);
MODULE_AUTHOR("roman.fietze@telemotive.de");
MODULE_DESCRIPTION("ISL 12022 RTC driver");
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index da8beb8cae5..dd2aeee6c66 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -710,22 +710,9 @@ static struct i2c_driver isl1208_driver = {
.id_table = isl1208_id,
};
-static int __init
-isl1208_init(void)
-{
- return i2c_add_driver(&isl1208_driver);
-}
-
-static void __exit
-isl1208_exit(void)
-{
- i2c_del_driver(&isl1208_driver);
-}
+module_i2c_driver(isl1208_driver);
MODULE_AUTHOR("Herbert Valerio Riedel <hvr@gnu.org>");
MODULE_DESCRIPTION("Intersil ISL1208 RTC driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(isl1208_init);
-module_exit(isl1208_exit);
diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c
index ecc1713b2b4..63c72189c64 100644
--- a/drivers/rtc/rtc-lpc32xx.c
+++ b/drivers/rtc/rtc-lpc32xx.c
@@ -287,7 +287,7 @@ static int __devinit lpc32xx_rtc_probe(struct platform_device *pdev)
if (rtc->irq >= 0) {
if (devm_request_irq(&pdev->dev, rtc->irq,
lpc32xx_rtc_alarm_interrupt,
- IRQF_DISABLED, pdev->name, rtc) < 0) {
+ 0, pdev->name, rtc) < 0) {
dev_warn(&pdev->dev, "Can't request interrupt.\n");
rtc->irq = -1;
} else {
diff --git a/drivers/rtc/rtc-ls1x.c b/drivers/rtc/rtc-ls1x.c
new file mode 100644
index 00000000000..07e81c5f824
--- /dev/null
+++ b/drivers/rtc/rtc-ls1x.c
@@ -0,0 +1,210 @@
+/*
+ * Copyright (c) 2011 Zhao Zhang <zhzhl555@gmail.com>
+ *
+ * Derived from driver/rtc/rtc-au1xxx.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/rtc.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/types.h>
+#include <linux/io.h>
+#include <asm/mach-loongson1/loongson1.h>
+
+#define LS1X_RTC_REG_OFFSET (LS1X_RTC_BASE + 0x20)
+#define LS1X_RTC_REGS(x) \
+ ((void __iomem *)KSEG1ADDR(LS1X_RTC_REG_OFFSET + (x)))
+
+/*RTC programmable counters 0 and 1*/
+#define SYS_COUNTER_CNTRL (LS1X_RTC_REGS(0x20))
+#define SYS_CNTRL_ERS (1 << 23)
+#define SYS_CNTRL_RTS (1 << 20)
+#define SYS_CNTRL_RM2 (1 << 19)
+#define SYS_CNTRL_RM1 (1 << 18)
+#define SYS_CNTRL_RM0 (1 << 17)
+#define SYS_CNTRL_RS (1 << 16)
+#define SYS_CNTRL_BP (1 << 14)
+#define SYS_CNTRL_REN (1 << 13)
+#define SYS_CNTRL_BRT (1 << 12)
+#define SYS_CNTRL_TEN (1 << 11)
+#define SYS_CNTRL_BTT (1 << 10)
+#define SYS_CNTRL_E0 (1 << 8)
+#define SYS_CNTRL_ETS (1 << 7)
+#define SYS_CNTRL_32S (1 << 5)
+#define SYS_CNTRL_TTS (1 << 4)
+#define SYS_CNTRL_TM2 (1 << 3)
+#define SYS_CNTRL_TM1 (1 << 2)
+#define SYS_CNTRL_TM0 (1 << 1)
+#define SYS_CNTRL_TS (1 << 0)
+
+/* Programmable Counter 0 Registers */
+#define SYS_TOYTRIM (LS1X_RTC_REGS(0))
+#define SYS_TOYWRITE0 (LS1X_RTC_REGS(4))
+#define SYS_TOYWRITE1 (LS1X_RTC_REGS(8))
+#define SYS_TOYREAD0 (LS1X_RTC_REGS(0xC))
+#define SYS_TOYREAD1 (LS1X_RTC_REGS(0x10))
+#define SYS_TOYMATCH0 (LS1X_RTC_REGS(0x14))
+#define SYS_TOYMATCH1 (LS1X_RTC_REGS(0x18))
+#define SYS_TOYMATCH2 (LS1X_RTC_REGS(0x1C))
+
+/* Programmable Counter 1 Registers */
+#define SYS_RTCTRIM (LS1X_RTC_REGS(0x40))
+#define SYS_RTCWRITE0 (LS1X_RTC_REGS(0x44))
+#define SYS_RTCREAD0 (LS1X_RTC_REGS(0x48))
+#define SYS_RTCMATCH0 (LS1X_RTC_REGS(0x4C))
+#define SYS_RTCMATCH1 (LS1X_RTC_REGS(0x50))
+#define SYS_RTCMATCH2 (LS1X_RTC_REGS(0x54))
+
+#define LS1X_SEC_OFFSET (4)
+#define LS1X_MIN_OFFSET (10)
+#define LS1X_HOUR_OFFSET (16)
+#define LS1X_DAY_OFFSET (21)
+#define LS1X_MONTH_OFFSET (26)
+
+
+#define LS1X_SEC_MASK (0x3f)
+#define LS1X_MIN_MASK (0x3f)
+#define LS1X_HOUR_MASK (0x1f)
+#define LS1X_DAY_MASK (0x1f)
+#define LS1X_MONTH_MASK (0x3f)
+#define LS1X_YEAR_MASK (0xffffffff)
+
+#define ls1x_get_sec(t) (((t) >> LS1X_SEC_OFFSET) & LS1X_SEC_MASK)
+#define ls1x_get_min(t) (((t) >> LS1X_MIN_OFFSET) & LS1X_MIN_MASK)
+#define ls1x_get_hour(t) (((t) >> LS1X_HOUR_OFFSET) & LS1X_HOUR_MASK)
+#define ls1x_get_day(t) (((t) >> LS1X_DAY_OFFSET) & LS1X_DAY_MASK)
+#define ls1x_get_month(t) (((t) >> LS1X_MONTH_OFFSET) & LS1X_MONTH_MASK)
+
+#define RTC_CNTR_OK (SYS_CNTRL_E0 | SYS_CNTRL_32S)
+
+static int ls1x_rtc_read_time(struct device *dev, struct rtc_time *rtm)
+{
+ unsigned long v, t;
+
+ v = readl(SYS_TOYREAD0);
+ t = readl(SYS_TOYREAD1);
+
+ memset(rtm, 0, sizeof(struct rtc_time));
+ t = mktime((t & LS1X_YEAR_MASK), ls1x_get_month(v),
+ ls1x_get_day(v), ls1x_get_hour(v),
+ ls1x_get_min(v), ls1x_get_sec(v));
+ rtc_time_to_tm(t, rtm);
+
+ return rtc_valid_tm(rtm);
+}
+
+static int ls1x_rtc_set_time(struct device *dev, struct rtc_time *rtm)
+{
+ unsigned long v, t, c;
+ int ret = -ETIMEDOUT;
+
+ v = ((rtm->tm_mon + 1) << LS1X_MONTH_OFFSET)
+ | (rtm->tm_mday << LS1X_DAY_OFFSET)
+ | (rtm->tm_hour << LS1X_HOUR_OFFSET)
+ | (rtm->tm_min << LS1X_MIN_OFFSET)
+ | (rtm->tm_sec << LS1X_SEC_OFFSET);
+
+ writel(v, SYS_TOYWRITE0);
+ c = 0x10000;
+ /* add timeout check counter, for more safe */
+ while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TS) && --c)
+ usleep_range(1000, 3000);
+
+ if (!c) {
+ dev_err(dev, "set time timeout!\n");
+ goto err;
+ }
+
+ t = rtm->tm_year + 1900;
+ writel(t, SYS_TOYWRITE1);
+ c = 0x10000;
+ while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TS) && --c)
+ usleep_range(1000, 3000);
+
+ if (!c) {
+ dev_err(dev, "set time timeout!\n");
+ goto err;
+ }
+ return 0;
+err:
+ return ret;
+}
+
+static struct rtc_class_ops ls1x_rtc_ops = {
+ .read_time = ls1x_rtc_read_time,
+ .set_time = ls1x_rtc_set_time,
+};
+
+static int __devinit ls1x_rtc_probe(struct platform_device *pdev)
+{
+ struct rtc_device *rtcdev;
+ unsigned long v;
+ int ret;
+
+ v = readl(SYS_COUNTER_CNTRL);
+ if (!(v & RTC_CNTR_OK)) {
+ dev_err(&pdev->dev, "rtc counters not working\n");
+ ret = -ENODEV;
+ goto err;
+ }
+ ret = -ETIMEDOUT;
+ /* set to 1 HZ if needed */
+ if (readl(SYS_TOYTRIM) != 32767) {
+ v = 0x100000;
+ while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS) && --v)
+ usleep_range(1000, 3000);
+
+ if (!v) {
+ dev_err(&pdev->dev, "time out\n");
+ goto err;
+ }
+ writel(32767, SYS_TOYTRIM);
+ }
+ /* this loop coundn't be endless */
+ while (readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS)
+ usleep_range(1000, 3000);
+
+ rtcdev = rtc_device_register("ls1x-rtc", &pdev->dev,
+ &ls1x_rtc_ops , THIS_MODULE);
+ if (IS_ERR(rtcdev)) {
+ ret = PTR_ERR(rtcdev);
+ goto err;
+ }
+
+ platform_set_drvdata(pdev, rtcdev);
+ return 0;
+err:
+ return ret;
+}
+
+static int __devexit ls1x_rtc_remove(struct platform_device *pdev)
+{
+ struct rtc_device *rtcdev = platform_get_drvdata(pdev);
+
+ rtc_device_unregister(rtcdev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver ls1x_rtc_driver = {
+ .driver = {
+ .name = "ls1x-rtc",
+ .owner = THIS_MODULE,
+ },
+ .remove = __devexit_p(ls1x_rtc_remove),
+ .probe = ls1x_rtc_probe,
+};
+
+module_platform_driver(ls1x_rtc_driver);
+
+MODULE_AUTHOR("zhao zhang <zhzhl555@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 64aedd8cc09..4e0f84af99a 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -900,20 +900,9 @@ static struct i2c_driver m41t80_driver = {
.id_table = m41t80_id,
};
-static int __init m41t80_rtc_init(void)
-{
- return i2c_add_driver(&m41t80_driver);
-}
-
-static void __exit m41t80_rtc_exit(void)
-{
- i2c_del_driver(&m41t80_driver);
-}
+module_i2c_driver(m41t80_driver);
MODULE_AUTHOR("Alexander Bigga <ab@mycable.de>");
MODULE_DESCRIPTION("ST Microelectronics M41T80 series RTC I2C Client Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(m41t80_rtc_init);
-module_exit(m41t80_rtc_exit);
diff --git a/drivers/rtc/rtc-m41t93.c b/drivers/rtc/rtc-m41t93.c
index ef71132ff20..10f1c29436e 100644
--- a/drivers/rtc/rtc-m41t93.c
+++ b/drivers/rtc/rtc-m41t93.c
@@ -206,17 +206,7 @@ static struct spi_driver m41t93_driver = {
.remove = __devexit_p(m41t93_remove),
};
-static __init int m41t93_init(void)
-{
- return spi_register_driver(&m41t93_driver);
-}
-module_init(m41t93_init);
-
-static __exit void m41t93_exit(void)
-{
- spi_unregister_driver(&m41t93_driver);
-}
-module_exit(m41t93_exit);
+module_spi_driver(m41t93_driver);
MODULE_AUTHOR("Nikolaus Voss <n.voss@weinmann.de>");
MODULE_DESCRIPTION("Driver for ST M41T93 SPI RTC");
diff --git a/drivers/rtc/rtc-m41t94.c b/drivers/rtc/rtc-m41t94.c
index 2a4721f6179..6e78193e026 100644
--- a/drivers/rtc/rtc-m41t94.c
+++ b/drivers/rtc/rtc-m41t94.c
@@ -153,19 +153,7 @@ static struct spi_driver m41t94_driver = {
.remove = __devexit_p(m41t94_remove),
};
-static __init int m41t94_init(void)
-{
- return spi_register_driver(&m41t94_driver);
-}
-
-module_init(m41t94_init);
-
-static __exit void m41t94_exit(void)
-{
- spi_unregister_driver(&m41t94_driver);
-}
-
-module_exit(m41t94_exit);
+module_spi_driver(m41t94_driver);
MODULE_AUTHOR("Kim B. Heino <Kim.Heino@bluegiga.com>");
MODULE_DESCRIPTION("Driver for ST M41T94 SPI RTC");
diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index 486142c2637..a00e33204b9 100644
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -261,20 +261,9 @@ static struct i2c_driver max6900_driver = {
.id_table = max6900_id,
};
-static int __init max6900_init(void)
-{
- return i2c_add_driver(&max6900_driver);
-}
-
-static void __exit max6900_exit(void)
-{
- i2c_del_driver(&max6900_driver);
-}
+module_i2c_driver(max6900_driver);
MODULE_DESCRIPTION("Maxim MAX6900 RTC driver");
MODULE_AUTHOR("Dale Farnsworth <dale@farnsworth.org>");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(max6900_init);
-module_exit(max6900_exit);
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 1f6b3cc58e8..36c74d22e8b 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -160,17 +160,7 @@ static struct spi_driver max6902_driver = {
.remove = __devexit_p(max6902_remove),
};
-static __init int max6902_init(void)
-{
- return spi_register_driver(&max6902_driver);
-}
-module_init(max6902_init);
-
-static __exit void max6902_exit(void)
-{
- spi_unregister_driver(&max6902_driver);
-}
-module_exit(max6902_exit);
+module_spi_driver(max6902_driver);
MODULE_DESCRIPTION ("max6902 spi RTC driver");
MODULE_AUTHOR ("Raphael Assenat");
diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c
index 2d71943bc43..1459055a83a 100644
--- a/drivers/rtc/rtc-max8925.c
+++ b/drivers/rtc/rtc-max8925.c
@@ -193,10 +193,17 @@ static int max8925_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
ret = max8925_reg_read(info->rtc, MAX8925_RTC_IRQ_MASK);
if (ret < 0)
goto out;
- if ((ret & ALARM0_IRQ) == 0)
- alrm->enabled = 1;
- else
+ if (ret & ALARM0_IRQ) {
alrm->enabled = 0;
+ } else {
+ ret = max8925_reg_read(info->rtc, MAX8925_ALARM0_CNTL);
+ if (ret < 0)
+ goto out;
+ if (!ret)
+ alrm->enabled = 0;
+ else
+ alrm->enabled = 1;
+ }
ret = max8925_reg_read(info->rtc, MAX8925_RTC_STATUS);
if (ret < 0)
goto out;
@@ -204,6 +211,7 @@ static int max8925_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->pending = 1;
else
alrm->pending = 0;
+ return 0;
out:
return ret;
}
@@ -220,8 +228,11 @@ static int max8925_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
ret = max8925_bulk_write(info->rtc, MAX8925_ALARM0_SEC, TIME_NUM, buf);
if (ret < 0)
goto out;
- /* only enable alarm on year/month/day/hour/min/sec */
- ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x77);
+ if (alrm->enabled)
+ /* only enable alarm on year/month/day/hour/min/sec */
+ ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x77);
+ else
+ ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x0);
if (ret < 0)
goto out;
out:
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index 9d3caccfc25..e954a759ba8 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -327,7 +327,7 @@ static int __devinit mpc5121_rtc_probe(struct platform_device *op)
dev_set_drvdata(&op->dev, rtc);
rtc->irq = irq_of_parse_and_map(op->dev.of_node, 1);
- err = request_irq(rtc->irq, mpc5121_rtc_handler, IRQF_DISABLED,
+ err = request_irq(rtc->irq, mpc5121_rtc_handler, 0,
"mpc5121-rtc", &op->dev);
if (err) {
dev_err(&op->dev, "%s: could not request irq: %i\n",
@@ -337,7 +337,7 @@ static int __devinit mpc5121_rtc_probe(struct platform_device *op)
rtc->irq_periodic = irq_of_parse_and_map(op->dev.of_node, 0);
err = request_irq(rtc->irq_periodic, mpc5121_rtc_handler_upd,
- IRQF_DISABLED, "mpc5121-rtc_upd", &op->dev);
+ 0, "mpc5121-rtc_upd", &op->dev);
if (err) {
dev_err(&op->dev, "%s: could not request irq: %i\n",
__func__, rtc->irq_periodic);
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 6cd6c723534..f51719bf4a7 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -366,7 +366,7 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
if (rtc_irq) {
retval = request_irq(rtc_irq, mrst_rtc_irq,
- IRQF_DISABLED, dev_name(&mrst_rtc.rtc->dev),
+ 0, dev_name(&mrst_rtc.rtc->dev),
mrst_rtc.rtc);
if (retval < 0) {
dev_dbg(dev, "IRQ %d is already in use, err %d\n",
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index 768e2edb967..1300962486d 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -273,7 +273,7 @@ static int __devinit mv_rtc_probe(struct platform_device *pdev)
if (pdata->irq >= 0) {
writel(0, pdata->ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS);
if (devm_request_irq(&pdev->dev, pdata->irq, mv_rtc_interrupt,
- IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SHARED,
pdev->name, pdata) < 0) {
dev_warn(&pdev->dev, "interrupt not available.\n");
pdata->irq = -1;
diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index 781068d62f2..b79010987d1 100644
--- a/drivers/rtc/rtc-nuc900.c
+++ b/drivers/rtc/rtc-nuc900.c
@@ -269,7 +269,7 @@ static int __devinit nuc900_rtc_probe(struct platform_device *pdev)
nuc900_rtc->irq_num = platform_get_irq(pdev, 0);
if (request_irq(nuc900_rtc->irq_num, nuc900_rtc_interrupt,
- IRQF_DISABLED, "nuc900rtc", nuc900_rtc)) {
+ 0, "nuc900rtc", nuc900_rtc)) {
dev_err(&pdev->dev, "NUC900 RTC request irq failed\n");
err = -EBUSY;
goto fail4;
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 7789002bdd5..0b614e32653 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -348,14 +348,14 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
rtc_write(OMAP_RTC_STATUS_ALARM, OMAP_RTC_STATUS_REG);
/* handle periodic and alarm irqs */
- if (request_irq(omap_rtc_timer, rtc_irq, IRQF_DISABLED,
+ if (request_irq(omap_rtc_timer, rtc_irq, 0,
dev_name(&rtc->dev), rtc)) {
pr_debug("%s: RTC timer interrupt IRQ%d already claimed\n",
pdev->name, omap_rtc_timer);
goto fail1;
}
if ((omap_rtc_timer != omap_rtc_alarm) &&
- (request_irq(omap_rtc_alarm, rtc_irq, IRQF_DISABLED,
+ (request_irq(omap_rtc_alarm, rtc_irq, 0,
dev_name(&rtc->dev), rtc))) {
pr_debug("%s: RTC alarm interrupt IRQ%d already claimed\n",
pdev->name, omap_rtc_alarm);
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index b46c4004d8f..836118795c0 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -346,20 +346,9 @@ static struct spi_driver pcf2123_driver = {
.remove = __devexit_p(pcf2123_remove),
};
-static int __init pcf2123_init(void)
-{
- return spi_register_driver(&pcf2123_driver);
-}
-
-static void __exit pcf2123_exit(void)
-{
- spi_unregister_driver(&pcf2123_driver);
-}
+module_spi_driver(pcf2123_driver);
MODULE_AUTHOR("Chris Verges <chrisv@cyberswitching.com>");
MODULE_DESCRIPTION("NXP PCF2123 RTC driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(pcf2123_init);
-module_exit(pcf2123_exit);
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 606fdfab34e..bc0677de199 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -252,20 +252,9 @@ static struct i2c_driver pcf8563_driver = {
.id_table = pcf8563_id,
};
-static int __init pcf8563_init(void)
-{
- return i2c_add_driver(&pcf8563_driver);
-}
-
-static void __exit pcf8563_exit(void)
-{
- i2c_del_driver(&pcf8563_driver);
-}
+module_i2c_driver(pcf8563_driver);
MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
MODULE_DESCRIPTION("Philips PCF8563/Epson RTC8564 RTC driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(pcf8563_init);
-module_exit(pcf8563_exit);
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index 2d201afead3..019ff357116 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -320,18 +320,7 @@ static struct i2c_driver pcf8583_driver = {
.id_table = pcf8583_id,
};
-static __init int pcf8583_init(void)
-{
- return i2c_add_driver(&pcf8583_driver);
-}
-
-static __exit void pcf8583_exit(void)
-{
- i2c_del_driver(&pcf8583_driver);
-}
-
-module_init(pcf8583_init);
-module_exit(pcf8583_exit);
+module_i2c_driver(pcf8583_driver);
MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("PCF8583 I2C RTC driver");
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index 02111fee077..22bacdbf913 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -123,7 +123,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
amba_set_drvdata(dev, rtc);
- ret = request_irq(dev->irq[0], pl030_interrupt, IRQF_DISABLED,
+ ret = request_irq(dev->irq[0], pl030_interrupt, 0,
"rtc-pl030", rtc);
if (ret)
goto err_irq;
@@ -185,18 +185,7 @@ static struct amba_driver pl030_driver = {
.id_table = pl030_ids,
};
-static int __init pl030_init(void)
-{
- return amba_driver_register(&pl030_driver);
-}
-
-static void __exit pl030_exit(void)
-{
- amba_driver_unregister(&pl030_driver);
-}
-
-module_init(pl030_init);
-module_exit(pl030_exit);
+module_amba_driver(pl030_driver);
MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");
MODULE_DESCRIPTION("ARM AMBA PL030 RTC Driver");
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index a952c8de1dd..692de7360e9 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -352,7 +352,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
}
if (request_irq(adev->irq[0], pl031_interrupt,
- IRQF_DISABLED, "rtc-pl031", ldata)) {
+ 0, "rtc-pl031", ldata)) {
ret = -EIO;
goto out_no_irq;
}
@@ -431,18 +431,7 @@ static struct amba_driver pl031_driver = {
.remove = pl031_remove,
};
-static int __init pl031_init(void)
-{
- return amba_driver_register(&pl031_driver);
-}
-
-static void __exit pl031_exit(void)
-{
- amba_driver_unregister(&pl031_driver);
-}
-
-module_init(pl031_init);
-module_exit(pl031_exit);
+module_amba_driver(pl031_driver);
MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net");
MODULE_DESCRIPTION("ARM AMBA PL031 RTC Driver");
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index 9f1d6bcbdf6..d00bd24342a 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -520,7 +520,7 @@ static int pm8xxx_rtc_suspend(struct device *dev)
}
#endif
-SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, pm8xxx_rtc_suspend, pm8xxx_rtc_resume);
+static SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, pm8xxx_rtc_suspend, pm8xxx_rtc_resume);
static struct platform_driver pm8xxx_rtc_driver = {
.probe = pm8xxx_rtc_probe,
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index fc9f4991574..0075c8fd93d 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -174,14 +174,14 @@ static int pxa_rtc_open(struct device *dev)
struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
int ret;
- ret = request_irq(pxa_rtc->irq_1Hz, pxa_rtc_irq, IRQF_DISABLED,
+ ret = request_irq(pxa_rtc->irq_1Hz, pxa_rtc_irq, 0,
"rtc 1Hz", dev);
if (ret < 0) {
dev_err(dev, "can't get irq %i, err %d\n", pxa_rtc->irq_1Hz,
ret);
goto err_irq_1Hz;
}
- ret = request_irq(pxa_rtc->irq_Alrm, pxa_rtc_irq, IRQF_DISABLED,
+ ret = request_irq(pxa_rtc->irq_Alrm, pxa_rtc_irq, 0,
"rtc Alrm", dev);
if (ret < 0) {
dev_err(dev, "can't get irq %i, err %d\n", pxa_rtc->irq_Alrm,
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 2853c2a6f10..7f8e6c24793 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -159,17 +159,7 @@ static struct spi_driver r9701_driver = {
.remove = __devexit_p(r9701_remove),
};
-static __init int r9701_init(void)
-{
- return spi_register_driver(&r9701_driver);
-}
-module_init(r9701_init);
-
-static __exit void r9701_exit(void)
-{
- spi_unregister_driver(&r9701_driver);
-}
-module_exit(r9701_exit);
+module_spi_driver(r9701_driver);
MODULE_DESCRIPTION("r9701 spi RTC driver");
MODULE_AUTHOR("Magnus Damm <damm@opensource.se>");
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index ce2ca8523dd..77074ccd285 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -235,18 +235,7 @@ static struct spi_driver rs5c348_driver = {
.remove = __devexit_p(rs5c348_remove),
};
-static __init int rs5c348_init(void)
-{
- return spi_register_driver(&rs5c348_driver);
-}
-
-static __exit void rs5c348_exit(void)
-{
- spi_unregister_driver(&rs5c348_driver);
-}
-
-module_init(rs5c348_init);
-module_exit(rs5c348_exit);
+module_spi_driver(rs5c348_driver);
MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
MODULE_DESCRIPTION("Ricoh RS5C348 RTC driver");
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index d29f5432c6e..fb4842c3544 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -689,18 +689,7 @@ static struct i2c_driver rs5c372_driver = {
.id_table = rs5c372_id,
};
-static __init int rs5c372_init(void)
-{
- return i2c_add_driver(&rs5c372_driver);
-}
-
-static __exit void rs5c372_exit(void)
-{
- i2c_del_driver(&rs5c372_driver);
-}
-
-module_init(rs5c372_init);
-module_exit(rs5c372_exit);
+module_i2c_driver(rs5c372_driver);
MODULE_AUTHOR(
"Pavel Mironchik <pmironchik@optifacio.net>, "
diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index ea09ff211dc..0fbe57b2f6d 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -436,18 +436,7 @@ static struct i2c_driver rv3029c2_driver = {
.id_table = rv3029c2_id,
};
-static int __init rv3029c2_init(void)
-{
- return i2c_add_driver(&rv3029c2_driver);
-}
-
-static void __exit rv3029c2_exit(void)
-{
- i2c_del_driver(&rv3029c2_driver);
-}
-
-module_init(rv3029c2_init);
-module_exit(rv3029c2_exit);
+module_i2c_driver(rv3029c2_driver);
MODULE_AUTHOR("Gregory Hermant <gregory.hermant@calao-systems.com>");
MODULE_DESCRIPTION("Micro Crystal RV3029C2 RTC driver");
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index fde172fb2ab..0de902dc1cd 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -644,19 +644,8 @@ static struct i2c_driver rx8025_driver = {
.id_table = rx8025_id,
};
-static int __init rx8025_init(void)
-{
- return i2c_add_driver(&rx8025_driver);
-}
-
-static void __exit rx8025_exit(void)
-{
- i2c_del_driver(&rx8025_driver);
-}
+module_i2c_driver(rx8025_driver);
MODULE_AUTHOR("Wolfgang Grandegger <wg@grandegger.com>");
MODULE_DESCRIPTION("RX-8025 SA/NB RTC driver");
MODULE_LICENSE("GPL");
-
-module_init(rx8025_init);
-module_exit(rx8025_exit);
diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
index 600b890a3c1..d84825124a7 100644
--- a/drivers/rtc/rtc-rx8581.c
+++ b/drivers/rtc/rtc-rx8581.c
@@ -276,20 +276,9 @@ static struct i2c_driver rx8581_driver = {
.id_table = rx8581_id,
};
-static int __init rx8581_init(void)
-{
- return i2c_add_driver(&rx8581_driver);
-}
-
-static void __exit rx8581_exit(void)
-{
- i2c_del_driver(&rx8581_driver);
-}
+module_i2c_driver(rx8581_driver);
MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com>");
MODULE_DESCRIPTION("Epson RX-8581 RTC driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(rx8581_init);
-module_exit(rx8581_exit);
diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index f789e002c9b..c9562ceedef 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -304,19 +304,8 @@ static struct i2c_driver s35390a_driver = {
.id_table = s35390a_id,
};
-static int __init s35390a_rtc_init(void)
-{
- return i2c_add_driver(&s35390a_driver);
-}
-
-static void __exit s35390a_rtc_exit(void)
-{
- i2c_del_driver(&s35390a_driver);
-}
+module_i2c_driver(s35390a_driver);
MODULE_AUTHOR("Byron Bradley <byron.bbradley@gmail.com>");
MODULE_DESCRIPTION("S35390A RTC driver");
MODULE_LICENSE("GPL");
-
-module_init(s35390a_rtc_init);
-module_exit(s35390a_rtc_exit);
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index aef40bd2957..c543f6f1eec 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -543,14 +543,14 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
s3c_rtc_setfreq(&pdev->dev, 1);
ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
- IRQF_DISABLED, "s3c2410-rtc alarm", rtc);
+ 0, "s3c2410-rtc alarm", rtc);
if (ret) {
dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
goto err_alarm_irq;
}
ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
- IRQF_DISABLED, "s3c2410-rtc tick", rtc);
+ 0, "s3c2410-rtc tick", rtc);
if (ret) {
dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
free_irq(s3c_rtc_alarmno, rtc);
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 91d58bdc7f8..44cd81c72ea 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -98,14 +98,13 @@ static int sa1100_rtc_open(struct device *dev)
struct platform_device *plat_dev = to_platform_device(dev);
struct rtc_device *rtc = platform_get_drvdata(plat_dev);
- ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, IRQF_DISABLED,
- "rtc 1Hz", dev);
+ ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, 0, "rtc 1Hz", dev);
if (ret) {
dev_err(dev, "IRQ %d already in use.\n", IRQ_RTC1Hz);
goto fail_ui;
}
- ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, IRQF_DISABLED,
- "rtc Alrm", dev);
+ ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, 0,
+ "rtc Alrm", dev);
if (ret) {
dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm);
goto fail_ai;
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 6ac55fd4841..e55a7635ae5 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -666,7 +666,7 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
if (rtc->carry_irq <= 0) {
/* register shared periodic/carry/alarm irq */
ret = request_irq(rtc->periodic_irq, sh_rtc_shared,
- IRQF_DISABLED, "sh-rtc", rtc);
+ 0, "sh-rtc", rtc);
if (unlikely(ret)) {
dev_err(&pdev->dev,
"request IRQ failed with %d, IRQ %d\n", ret,
@@ -676,7 +676,7 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
} else {
/* register periodic/carry/alarm irqs */
ret = request_irq(rtc->periodic_irq, sh_rtc_periodic,
- IRQF_DISABLED, "sh-rtc period", rtc);
+ 0, "sh-rtc period", rtc);
if (unlikely(ret)) {
dev_err(&pdev->dev,
"request period IRQ failed with %d, IRQ %d\n",
@@ -685,7 +685,7 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
}
ret = request_irq(rtc->carry_irq, sh_rtc_interrupt,
- IRQF_DISABLED, "sh-rtc carry", rtc);
+ 0, "sh-rtc carry", rtc);
if (unlikely(ret)) {
dev_err(&pdev->dev,
"request carry IRQ failed with %d, IRQ %d\n",
@@ -695,7 +695,7 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
}
ret = request_irq(rtc->alarm_irq, sh_rtc_alarm,
- IRQF_DISABLED, "sh-rtc alarm", rtc);
+ 0, "sh-rtc alarm", rtc);
if (unlikely(ret)) {
dev_err(&pdev->dev,
"request alarm IRQ failed with %d, IRQ %d\n",
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index 19a28a671a8..e38da0dc418 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -77,9 +77,11 @@
#define STATUS_FAIL (LOST_WR_TIME | LOST_WR_DATE)
struct spear_rtc_config {
+ struct rtc_device *rtc;
struct clk *clk;
spinlock_t lock;
void __iomem *ioaddr;
+ unsigned int irq_wake;
};
static inline void spear_rtc_clear_interrupt(struct spear_rtc_config *config)
@@ -149,8 +151,7 @@ static void rtc_wait_not_busy(struct spear_rtc_config *config)
static irqreturn_t spear_rtc_irq(int irq, void *dev_id)
{
- struct rtc_device *rtc = (struct rtc_device *)dev_id;
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = dev_id;
unsigned long flags, events = 0;
unsigned int irq_data;
@@ -161,7 +162,7 @@ static irqreturn_t spear_rtc_irq(int irq, void *dev_id)
if ((irq_data & RTC_INT_MASK)) {
spear_rtc_clear_interrupt(config);
events = RTC_IRQF | RTC_AF;
- rtc_update_irq(rtc, 1, events);
+ rtc_update_irq(config->rtc, 1, events);
return IRQ_HANDLED;
} else
return IRQ_NONE;
@@ -203,9 +204,7 @@ static void bcd2tm(struct rtc_time *tm)
*/
static int spear_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = dev_get_drvdata(dev);
unsigned int time, date;
/* we don't report wday/yday/isdst ... */
@@ -234,9 +233,7 @@ static int spear_rtc_read_time(struct device *dev, struct rtc_time *tm)
*/
static int spear_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = dev_get_drvdata(dev);
unsigned int time, date, err = 0;
if (tm2bcd(tm) < 0)
@@ -266,9 +263,7 @@ static int spear_rtc_set_time(struct device *dev, struct rtc_time *tm)
*/
static int spear_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = dev_get_drvdata(dev);
unsigned int time, date;
rtc_wait_not_busy(config);
@@ -298,9 +293,7 @@ static int spear_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
*/
static int spear_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = dev_get_drvdata(dev);
unsigned int time, date, err = 0;
if (tm2bcd(&alm->time) < 0)
@@ -326,17 +319,42 @@ static int spear_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
return 0;
}
+
+static int spear_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+ struct spear_rtc_config *config = dev_get_drvdata(dev);
+ int ret = 0;
+
+ spear_rtc_clear_interrupt(config);
+
+ switch (enabled) {
+ case 0:
+ /* alarm off */
+ spear_rtc_disable_interrupt(config);
+ break;
+ case 1:
+ /* alarm on */
+ spear_rtc_enable_interrupt(config);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
static struct rtc_class_ops spear_rtc_ops = {
.read_time = spear_rtc_read_time,
.set_time = spear_rtc_set_time,
.read_alarm = spear_rtc_read_alarm,
.set_alarm = spear_rtc_set_alarm,
+ .alarm_irq_enable = spear_alarm_irq_enable,
};
static int __devinit spear_rtc_probe(struct platform_device *pdev)
{
struct resource *res;
- struct rtc_device *rtc;
struct spear_rtc_config *config;
unsigned int status = 0;
int irq;
@@ -376,19 +394,17 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev)
}
spin_lock_init(&config->lock);
+ platform_set_drvdata(pdev, config);
- rtc = rtc_device_register(pdev->name, &pdev->dev, &spear_rtc_ops,
- THIS_MODULE);
- if (IS_ERR(rtc)) {
+ config->rtc = rtc_device_register(pdev->name, &pdev->dev,
+ &spear_rtc_ops, THIS_MODULE);
+ if (IS_ERR(config->rtc)) {
dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
- PTR_ERR(rtc));
- status = PTR_ERR(rtc);
+ PTR_ERR(config->rtc));
+ status = PTR_ERR(config->rtc);
goto err_iounmap;
}
- platform_set_drvdata(pdev, rtc);
- dev_set_drvdata(&rtc->dev, config);
-
/* alarm irqs */
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -397,7 +413,7 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev)
goto err_clear_platdata;
}
- status = request_irq(irq, spear_rtc_irq, 0, pdev->name, rtc);
+ status = request_irq(irq, spear_rtc_irq, 0, pdev->name, config);
if (status) {
dev_err(&pdev->dev, "Alarm interrupt IRQ%d already \
claimed\n", irq);
@@ -411,8 +427,7 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev)
err_clear_platdata:
platform_set_drvdata(pdev, NULL);
- dev_set_drvdata(&rtc->dev, NULL);
- rtc_device_unregister(rtc);
+ rtc_device_unregister(config->rtc);
err_iounmap:
iounmap(config->ioaddr);
err_disable_clock:
@@ -429,8 +444,7 @@ err_release_region:
static int __devexit spear_rtc_remove(struct platform_device *pdev)
{
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = platform_get_drvdata(pdev);
int irq;
struct resource *res;
@@ -448,8 +462,7 @@ static int __devexit spear_rtc_remove(struct platform_device *pdev)
if (res)
release_mem_region(res->start, resource_size(res));
platform_set_drvdata(pdev, NULL);
- dev_set_drvdata(&rtc->dev, NULL);
- rtc_device_unregister(rtc);
+ rtc_device_unregister(config->rtc);
return 0;
}
@@ -458,14 +471,14 @@ static int __devexit spear_rtc_remove(struct platform_device *pdev)
static int spear_rtc_suspend(struct platform_device *pdev, pm_message_t state)
{
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = platform_get_drvdata(pdev);
int irq;
irq = platform_get_irq(pdev, 0);
- if (device_may_wakeup(&pdev->dev))
- enable_irq_wake(irq);
- else {
+ if (device_may_wakeup(&pdev->dev)) {
+ if (!enable_irq_wake(irq))
+ config->irq_wake = 1;
+ } else {
spear_rtc_disable_interrupt(config);
clk_disable(config->clk);
}
@@ -475,15 +488,17 @@ static int spear_rtc_suspend(struct platform_device *pdev, pm_message_t state)
static int spear_rtc_resume(struct platform_device *pdev)
{
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = platform_get_drvdata(pdev);
int irq;
irq = platform_get_irq(pdev, 0);
- if (device_may_wakeup(&pdev->dev))
- disable_irq_wake(irq);
- else {
+ if (device_may_wakeup(&pdev->dev)) {
+ if (config->irq_wake) {
+ disable_irq_wake(irq);
+ config->irq_wake = 0;
+ }
+ } else {
clk_enable(config->clk);
spear_rtc_enable_interrupt(config);
}
@@ -498,8 +513,7 @@ static int spear_rtc_resume(struct platform_device *pdev)
static void spear_rtc_shutdown(struct platform_device *pdev)
{
- struct rtc_device *rtc = platform_get_drvdata(pdev);
- struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ struct spear_rtc_config *config = platform_get_drvdata(pdev);
spear_rtc_disable_interrupt(config);
clk_disable(config->clk);
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 7621116bd20..279f5cfa691 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -329,7 +329,7 @@ static int __devinit stk17ta8_rtc_probe(struct platform_device *pdev)
writeb(0, ioaddr + RTC_INTERRUPTS);
if (devm_request_irq(&pdev->dev, pdata->irq,
stk17ta8_rtc_interrupt,
- IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SHARED,
pdev->name, pdev) < 0) {
dev_warn(&pdev->dev, "interrupt not available.\n");
pdata->irq = 0;
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index d43b4f6eb4e..4c2c6df2a9e 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -176,6 +176,10 @@ static int set_rtc_irq_bit(unsigned char bit)
unsigned char val;
int ret;
+ /* if the bit is set, return from here */
+ if (rtc_irq_bits & bit)
+ return 0;
+
val = rtc_irq_bits | bit;
val &= ~BIT_RTC_INTERRUPTS_REG_EVERY_M;
ret = twl_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
@@ -193,6 +197,10 @@ static int mask_rtc_irq_bit(unsigned char bit)
unsigned char val;
int ret;
+ /* if the bit is clear, return from here */
+ if (!(rtc_irq_bits & bit))
+ return 0;
+
val = rtc_irq_bits & ~bit;
ret = twl_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
if (ret == 0)
@@ -357,7 +365,7 @@ out:
static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
{
- unsigned long events = 0;
+ unsigned long events;
int ret = IRQ_NONE;
int res;
u8 rd_reg;
@@ -372,11 +380,11 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
* by reading RTS_INTERRUPTS_REGISTER[IT_TIMER,IT_ALARM]
*/
if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
- events |= RTC_IRQF | RTC_AF;
+ events = RTC_IRQF | RTC_AF;
else
- events |= RTC_IRQF | RTC_UF;
+ events = RTC_IRQF | RTC_PF;
- res = twl_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M,
+ res = twl_rtc_write_u8(BIT_RTC_STATUS_REG_ALARM_M,
REG_RTC_STATUS_REG);
if (res)
goto out;
@@ -449,19 +457,11 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev)
REG_INT_MSK_STS_A);
}
- /* Check RTC module status, Enable if it is off */
- ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
+ dev_info(&pdev->dev, "Enabling TWL-RTC\n");
+ ret = twl_rtc_write_u8(BIT_RTC_CTRL_REG_STOP_RTC_M, REG_RTC_CTRL_REG);
if (ret < 0)
goto out1;
- if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
- dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
- rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
- ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
- if (ret < 0)
- goto out1;
- }
-
/* init cached IRQ enable bits */
ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c
index aac0ffed434..a12bfac49d3 100644
--- a/drivers/rtc/rtc-tx4939.c
+++ b/drivers/rtc/rtc-tx4939.c
@@ -266,7 +266,7 @@ static int __init tx4939_rtc_probe(struct platform_device *pdev)
spin_lock_init(&pdata->lock);
tx4939_rtc_cmd(pdata->rtcreg, TX4939_RTCCTL_COMMAND_NOP);
if (devm_request_irq(&pdev->dev, irq, tx4939_rtc_interrupt,
- IRQF_DISABLED, pdev->name, &pdev->dev) < 0)
+ 0, pdev->name, &pdev->dev) < 0)
return -EBUSY;
rtc = rtc_device_register(pdev->name, &pdev->dev,
&tx4939_rtc_ops, THIS_MODULE);
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index fcbfdda2993..5f60a7c6a15 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -333,7 +333,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
goto err_device_unregister;
}
- retval = request_irq(aie_irq, elapsedtime_interrupt, IRQF_DISABLED,
+ retval = request_irq(aie_irq, elapsedtime_interrupt, 0,
"elapsed_time", pdev);
if (retval < 0)
goto err_device_unregister;
@@ -342,7 +342,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
if (pie_irq <= 0)
goto err_free_irq;
- retval = request_irq(pie_irq, rtclong1_interrupt, IRQF_DISABLED,
+ retval = request_irq(pie_irq, rtclong1_interrupt, 0,
"rtclong1", pdev);
if (retval < 0)
goto err_free_irq;
diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index 8c051d3179d..403b3d41d10 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -623,15 +623,7 @@ static struct i2c_driver x1205_driver = {
.id_table = x1205_id,
};
-static int __init x1205_init(void)
-{
- return i2c_add_driver(&x1205_driver);
-}
-
-static void __exit x1205_exit(void)
-{
- i2c_del_driver(&x1205_driver);
-}
+module_i2c_driver(x1205_driver);
MODULE_AUTHOR(
"Karen Spearel <kas111 at gmail dot com>, "
@@ -639,6 +631,3 @@ MODULE_AUTHOR(
MODULE_DESCRIPTION("Xicor/Intersil X1205 RTC driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(x1205_init);
-module_exit(x1205_exit);