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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /drivers/tty/serial/sccnxp.c
parent9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'drivers/tty/serial/sccnxp.c')
-rw-r--r--drivers/tty/serial/sccnxp.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index 08dbfb88d42..c7730415541 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c
@@ -27,6 +27,7 @@
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/platform_data/serial-sccnxp.h>
+#include <linux/regulator/consumer.h>
#define SCCNXP_NAME "uart-sccnxp"
#define SCCNXP_MAJOR 204
@@ -131,6 +132,8 @@ struct sccnxp_port {
struct timer_list timer;
struct sccnxp_pdata pdata;
+
+ struct regulator *regulator;
};
static inline u8 sccnxp_raw_read(void __iomem *base, u8 reg, u8 shift)
@@ -789,8 +792,6 @@ static int sccnxp_probe(struct platform_device *pdev)
return -EADDRNOTAVAIL;
}
- dev_set_name(&pdev->dev, SCCNXP_NAME);
-
s = devm_kzalloc(&pdev->dev, sizeof(struct sccnxp_port), GFP_KERNEL);
if (!s) {
dev_err(&pdev->dev, "Error allocating port structure\n");
@@ -918,6 +919,16 @@ static int sccnxp_probe(struct platform_device *pdev)
goto err_out;
}
+ s->regulator = devm_regulator_get(&pdev->dev, "VCC");
+ if (!IS_ERR(s->regulator)) {
+ ret = regulator_enable(s->regulator);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to enable regulator: %i\n", ret);
+ return ret;
+ }
+ }
+
membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(membase)) {
ret = PTR_ERR(membase);
@@ -967,10 +978,6 @@ static int sccnxp_probe(struct platform_device *pdev)
s->imr = 0;
sccnxp_write(&s->port[0], SCCNXP_IMR_REG, 0);
- /* Board specific configure */
- if (s->pdata.init)
- s->pdata.init();
-
if (!s->poll) {
ret = devm_request_threaded_irq(&pdev->dev, s->irq, NULL,
sccnxp_ist,
@@ -1011,8 +1018,8 @@ static int sccnxp_remove(struct platform_device *pdev)
uart_unregister_driver(&s->uart);
platform_set_drvdata(pdev, NULL);
- if (s->pdata.exit)
- s->pdata.exit();
+ if (!IS_ERR(s->regulator))
+ return regulator_disable(s->regulator);
return 0;
}