diff options
Diffstat (limited to 'drivers/rtc')
46 files changed, 740 insertions, 13 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 6a130375943..50ac047cd13 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -620,6 +620,16 @@ config RTC_DRV_NUC900 comment "on-CPU RTC drivers" +config RTC_DRV_DAVINCI + tristate "TI DaVinci RTC" + depends on ARCH_DAVINCI_DM365 + help + If you say yes here you get support for the RTC on the + DaVinci platforms (DM365). + + This driver can also be built as a module. If so, the module + will be called rtc-davinci. + config RTC_DRV_OMAP tristate "TI OMAP1" depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 44ef194a957..245311a1348 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-$(CONFIG_RTC_DRV_DAVINCI) += rtc-davinci.o obj-$(CONFIG_RTC_DRV_DM355EVM) += rtc-dm355evm.o obj-$(CONFIG_RTC_DRV_DS1216) += rtc-ds1216.o obj-$(CONFIG_RTC_DRV_DS1286) += rtc-ds1286.o diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 40845c7e932..565562ba6ac 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -15,6 +15,7 @@ #include <linux/rtc.h> #include <linux/kdev_t.h> #include <linux/idr.h> +#include <linux/slab.h> #include "rtc-core.h" diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c index 8825695777d..b2752b6e7a2 100644 --- a/drivers/rtc/rtc-at32ap700x.c +++ b/drivers/rtc/rtc-at32ap700x.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/rtc.h> #include <linux/io.h> diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index 78a018b5c94..f677e0710ca 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -18,6 +18,7 @@ #include <linux/rtc.h> #include <linux/interrupt.h> #include <linux/ioctl.h> +#include <linux/slab.h> #include <mach/board.h> #include <mach/at91_rtt.h> diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index b11485b9f21..72b2bcc2c22 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -51,6 +51,7 @@ #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/seq_file.h> +#include <linux/slab.h> #include <asm/blackfin.h> diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c index 280fe48ada0..128270ce355 100644 --- a/drivers/rtc/rtc-bq4802.c +++ b/drivers/rtc/rtc-bq4802.c @@ -10,6 +10,7 @@ #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/bcd.h> +#include <linux/slab.h> MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); MODULE_DESCRIPTION("TI BQ4802 RTC driver"); diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c index 44c4399ee71..316f484999b 100644 --- a/drivers/rtc/rtc-coh901331.c +++ b/drivers/rtc/rtc-coh901331.c @@ -14,6 +14,7 @@ #include <linux/pm.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> /* * Registers in the COH 901 331 diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c new file mode 100644 index 00000000000..92a8f6cacda --- /dev/null +++ b/drivers/rtc/rtc-davinci.c @@ -0,0 +1,673 @@ +/* + * DaVinci Power Management and Real Time Clock Driver for TI platforms + * + * Copyright (C) 2009 Texas Instruments, Inc + * + * Author: Miguel Aguilar <miguel.aguilar@ridgerun.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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/ioport.h> +#include <linux/delay.h> +#include <linux/spinlock.h> +#include <linux/rtc.h> +#include <linux/bcd.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +/* + * The DaVinci RTC is a simple RTC with the following + * Sec: 0 - 59 : BCD count + * Min: 0 - 59 : BCD count + * Hour: 0 - 23 : BCD count + * Day: 0 - 0x7FFF(32767) : Binary count ( Over 89 years ) + */ + +/* PRTC interface registers */ +#define DAVINCI_PRTCIF_PID 0x00 +#define PRTCIF_CTLR 0x04 +#define PRTCIF_LDATA 0x08 +#define PRTCIF_UDATA 0x0C +#define PRTCIF_INTEN 0x10 +#define PRTCIF_INTFLG 0x14 + +/* PRTCIF_CTLR bit fields */ +#define PRTCIF_CTLR_BUSY BIT(31) +#define PRTCIF_CTLR_SIZE BIT(25) +#define PRTCIF_CTLR_DIR BIT(24) +#define PRTCIF_CTLR_BENU_MSB BIT(23) +#define PRTCIF_CTLR_BENU_3RD_BYTE BIT(22) +#define PRTCIF_CTLR_BENU_2ND_BYTE BIT(21) +#define PRTCIF_CTLR_BENU_LSB BIT(20) +#define PRTCIF_CTLR_BENU_MASK (0x00F00000) +#define PRTCIF_CTLR_BENL_MSB BIT(19) +#define PRTCIF_CTLR_BENL_3RD_BYTE BIT(18) +#define PRTCIF_CTLR_BENL_2ND_BYTE BIT(17) +#define PRTCIF_CTLR_BENL_LSB BIT(16) +#define PRTCIF_CTLR_BENL_MASK (0x000F0000) + +/* PRTCIF_INTEN bit fields */ +#define PRTCIF_INTEN_RTCSS BIT(1) +#define PRTCIF_INTEN_RTCIF BIT(0) +#define PRTCIF_INTEN_MASK (PRTCIF_INTEN_RTCSS \ + | PRTCIF_INTEN_RTCIF) + +/* PRTCIF_INTFLG bit fields */ +#define PRTCIF_INTFLG_RTCSS BIT(1) +#define PRTCIF_INTFLG_RTCIF BIT(0) +#define PRTCIF_INTFLG_MASK (PRTCIF_INTFLG_RTCSS \ + | PRTCIF_INTFLG_RTCIF) + +/* PRTC subsystem registers */ +#define PRTCSS_RTC_INTC_EXTENA1 (0x0C) +#define PRTCSS_RTC_CTRL (0x10) +#define PRTCSS_RTC_WDT (0x11) +#define PRTCSS_RTC_TMR0 (0x12) +#define PRTCSS_RTC_TMR1 (0x13) +#define PRTCSS_RTC_CCTRL (0x14) +#define PRTCSS_RTC_SEC (0x15) +#define PRTCSS_RTC_MIN (0x16) +#define PRTCSS_RTC_HOUR (0x17) +#define PRTCSS_RTC_DAY0 (0x18) +#define PRTCSS_RTC_DAY1 (0x19) +#define PRTCSS_RTC_AMIN (0x1A) +#define PRTCSS_RTC_AHOUR (0x1B) +#define PRTCSS_RTC_ADAY0 (0x1C) +#define PRTCSS_RTC_ADAY1 (0x1D) +#define PRTCSS_RTC_CLKC_CNT (0x20) + +/* PRTCSS_RTC_INTC_EXTENA1 */ +#define PRTCSS_RTC_INTC_EXTENA1_MASK (0x07) + +/* PRTCSS_RTC_CTRL bit fields */ +#define PRTCSS_RTC_CTRL_WDTBUS BIT(7) +#define PRTCSS_RTC_CTRL_WEN BIT(6) +#define PRTCSS_RTC_CTRL_WDRT BIT(5) +#define PRTCSS_RTC_CTRL_WDTFLG BIT(4) +#define PRTCSS_RTC_CTRL_TE BIT(3) +#define PRTCSS_RTC_CTRL_TIEN BIT(2) +#define PRTCSS_RTC_CTRL_TMRFLG BIT(1) +#define PRTCSS_RTC_CTRL_TMMD BIT(0) + +/* PRTCSS_RTC_CCTRL bit fields */ +#define PRTCSS_RTC_CCTRL_CALBUSY BIT(7) +#define PRTCSS_RTC_CCTRL_DAEN BIT(5) +#define PRTCSS_RTC_CCTRL_HAEN BIT(4) +#define PRTCSS_RTC_CCTRL_MAEN BIT(3) +#define PRTCSS_RTC_CCTRL_ALMFLG BIT(2) +#define PRTCSS_RTC_CCTRL_AIEN BIT(1) +#define PRTCSS_RTC_CCTRL_CAEN BIT(0) + +static DEFINE_SPINLOCK(davinci_rtc_lock); + +struct davinci_rtc { + struct rtc_device *rtc; + void __iomem *base; + resource_size_t pbase; + size_t base_size; + int irq; +}; + +static inline void rtcif_write(struct davinci_rtc *davinci_rtc, + u32 val, u32 addr) +{ + writel(val, davinci_rtc->base + addr); +} + +static inline u32 rtcif_read(struct davinci_rtc *davinci_rtc, u32 addr) +{ + return readl(davinci_rtc->base + addr); +} + +static inline void rtcif_wait(struct davinci_rtc *davinci_rtc) +{ + while (rtcif_read(davinci_rtc, PRTCIF_CTLR) & PRTCIF_CTLR_BUSY) + cpu_relax(); +} + +static inline void rtcss_write(struct davinci_rtc *davinci_rtc, + unsigned long val, u8 addr) +{ + rtcif_wait(davinci_rtc); + + rtcif_write(davinci_rtc, PRTCIF_CTLR_BENL_LSB | addr, PRTCIF_CTLR); + rtcif_write(davinci_rtc, val, PRTCIF_LDATA); + + rtcif_wait(davinci_rtc); +} + +static inline u8 rtcss_read(struct davinci_rtc *davinci_rtc, u8 addr) +{ + rtcif_wait(davinci_rtc); + + rtcif_write(davinci_rtc, PRTCIF_CTLR_DIR | PRTCIF_CTLR_BENL_LSB | addr, + PRTCIF_CTLR); + + rtcif_wait(davinci_rtc); + + return rtcif_read(davinci_rtc, PRTCIF_LDATA); +} + +static inline void davinci_rtcss_calendar_wait(struct davinci_rtc *davinci_rtc) +{ + while (rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL) & + PRTCSS_RTC_CCTRL_CALBUSY) + cpu_relax(); +} + +static irqreturn_t davinci_rtc_interrupt(int irq, void *class_dev) +{ + struct davinci_rtc *davinci_rtc = class_dev; + unsigned long events = 0; + u32 irq_flg; + u8 alm_irq, tmr_irq; + u8 rtc_ctrl, rtc_cctrl; + int ret = IRQ_NONE; + + irq_flg = rtcif_read(davinci_rtc, PRTCIF_INTFLG) & + PRTCIF_INTFLG_RTCSS; + + alm_irq = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL) & + PRTCSS_RTC_CCTRL_ALMFLG; + + tmr_irq = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL) & + PRTCSS_RTC_CTRL_TMRFLG; + + if (irq_flg) { + if (alm_irq) { + events |= RTC_IRQF | RTC_AF; + rtc_cctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL); + rtc_cctrl |= PRTCSS_RTC_CCTRL_ALMFLG; + rtcss_write(davinci_rtc, rtc_cctrl, PRTCSS_RTC_CCTRL); + } else if (tmr_irq) { + events |= RTC_IRQF | RTC_PF; + rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL); + rtc_ctrl |= PRTCSS_RTC_CTRL_TMRFLG; + rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL); + } + + rtcif_write(davinci_rtc, PRTCIF_INTFLG_RTCSS, + PRTCIF_INTFLG); + rtc_update_irq(davinci_rtc->rtc, 1, events); + + ret = IRQ_HANDLED; + } + + return ret; +} + +static int +davinci_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + u8 rtc_ctrl; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL); + + switch (cmd) { + case RTC_WIE_ON: + rtc_ctrl |= PRTCSS_RTC_CTRL_WEN | PRTCSS_RTC_CTRL_WDTFLG; + break; + case RTC_WIE_OFF: + rtc_ctrl &= ~PRTCSS_RTC_CTRL_WEN; + break; + case RTC_UIE_OFF: + case RTC_UIE_ON: + ret = -ENOTTY; + break; + default: + ret = -ENOIOCTLCMD; + } + + rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + return ret; +} + +static int convertfromdays(u16 days, struct rtc_time *tm) +{ + int tmp_days, year, mon; + + for (year = 2000;; year++) { + tmp_days = rtc_year_days(1, 12, year); + if (days >= tmp_days) + days -= tmp_days; + else { + for (mon = 0;; mon++) { + tmp_days = rtc_month_days(mon, year); + if (days >= tmp_days) { + days -= tmp_days; + } else { + tm->tm_year = year - 1900; + tm->tm_mon = mon; + tm->tm_mday = days + 1; + break; + } + } + break; + } + } + return 0; +} + +static int convert2days(u16 *days, struct rtc_time *tm) +{ + int i; + *days = 0; + + /* epoch == 1900 */ + if (tm->tm_year < 100 || tm->tm_year > 199) + return -EINVAL; + + for (i = 2000; i < 1900 + tm->tm_year; i++) + *days += rtc_year_days(1, 12, i); + + *days += rtc_year_days(tm->tm_mday, tm->tm_mon, 1900 + tm->tm_year); + + return 0; +} + +static int davinci_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + u16 days = 0; + u8 day0, day1; + unsigned long flags; + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + davinci_rtcss_calendar_wait(davinci_rtc); + tm->tm_sec = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_SEC)); + + davinci_rtcss_calendar_wait(davinci_rtc); + tm->tm_min = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_MIN)); + + davinci_rtcss_calendar_wait(davinci_rtc); + tm->tm_hour = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_HOUR)); + + davinci_rtcss_calendar_wait(davinci_rtc); + day0 = rtcss_read(davinci_rtc, PRTCSS_RTC_DAY0); + + davinci_rtcss_calendar_wait(davinci_rtc); + day1 = rtcss_read(davinci_rtc, PRTCSS_RTC_DAY1); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + days |= day1; + days <<= 8; + days |= day0; + + if (convertfromdays(days, tm) < 0) + return -EINVAL; + + return 0; +} + +static int davinci_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + u16 days; + u8 rtc_cctrl; + unsigned long flags; + + if (convert2days(&days, tm) < 0) + return -EINVAL; + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, bin2bcd(tm->tm_sec), PRTCSS_RTC_SEC); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, bin2bcd(tm->tm_min), PRTCSS_RTC_MIN); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, bin2bcd(tm->tm_hour), PRTCSS_RTC_HOUR); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, days & 0xFF, PRTCSS_RTC_DAY0); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, (days & 0xFF00) >> 8, PRTCSS_RTC_DAY1); + + rtc_cctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL); + rtc_cctrl |= PRTCSS_RTC_CCTRL_CAEN; + rtcss_write(davinci_rtc, rtc_cctrl, PRTCSS_RTC_CCTRL); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + return 0; +} + +static int davinci_rtc_alarm_irq_enable(struct device *dev, + unsigned int enabled) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + unsigned long flags; + u8 rtc_cctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL); + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + if (enabled) + rtc_cctrl |= PRTCSS_RTC_CCTRL_DAEN | + PRTCSS_RTC_CCTRL_HAEN | + PRTCSS_RTC_CCTRL_MAEN | + PRTCSS_RTC_CCTRL_ALMFLG | + PRTCSS_RTC_CCTRL_AIEN; + else + rtc_cctrl &= ~PRTCSS_RTC_CCTRL_AIEN; + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, rtc_cctrl, PRTCSS_RTC_CCTRL); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + return 0; +} + +static int davinci_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + u16 days = 0; + u8 day0, day1; + unsigned long flags; + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + davinci_rtcss_calendar_wait(davinci_rtc); + alm->time.tm_min = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_AMIN)); + + davinci_rtcss_calendar_wait(davinci_rtc); + alm->time.tm_hour = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_AHOUR)); + + davinci_rtcss_calendar_wait(davinci_rtc); + day0 = rtcss_read(davinci_rtc, PRTCSS_RTC_ADAY0); + + davinci_rtcss_calendar_wait(davinci_rtc); + day1 = rtcss_read(davinci_rtc, PRTCSS_RTC_ADAY1); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + days |= day1; + days <<= 8; + days |= day0; + + if (convertfromdays(days, &alm->time) < 0) + return -EINVAL; + + alm->pending = !!(rtcss_read(davinci_rtc, + PRTCSS_RTC_CCTRL) & + PRTCSS_RTC_CCTRL_AIEN); + alm->enabled = alm->pending && device_may_wakeup(dev); + + return 0; +} + +static int davinci_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + unsigned long flags; + u16 days; + + if (alm->time.tm_mday <= 0 && alm->time.tm_mon < 0 + && alm->time.tm_year < 0) { + struct rtc_time tm; + unsigned long now, then; + + davinci_rtc_read_time(dev, &tm); + rtc_tm_to_time(&tm, &now); + + alm->time.tm_mday = tm.tm_mday; + alm->time.tm_mon = tm.tm_mon; + alm->time.tm_year = tm.tm_year; + rtc_tm_to_time(&alm->time, &then); + + if (then < now) { + rtc_time_to_tm(now + 24 * 60 * 60, &tm); + alm->time.tm_mday = tm.tm_mday; + alm->time.tm_mon = tm.tm_mon; + alm->time.tm_year = tm.tm_year; + } + } + + if (convert2days(&days, &alm->time) < 0) + return -EINVAL; + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, bin2bcd(alm->time.tm_min), PRTCSS_RTC_AMIN); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, bin2bcd(alm->time.tm_hour), PRTCSS_RTC_AHOUR); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, days & 0xFF, PRTCSS_RTC_ADAY0); + + davinci_rtcss_calendar_wait(davinci_rtc); + rtcss_write(davinci_rtc, (days & 0xFF00) >> 8, PRTCSS_RTC_ADAY1); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + return 0; +} + +static int davinci_rtc_irq_set_state(struct device *dev, int enabled) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + unsigned long flags; + u8 rtc_ctrl; + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL); + + if (enabled) { + while (rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL) + & PRTCSS_RTC_CTRL_WDTBUS) + cpu_relax(); + + rtc_ctrl |= PRTCSS_RTC_CTRL_TE; + rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL); + + rtcss_write(davinci_rtc, 0x0, PRTCSS_RTC_CLKC_CNT); + + rtc_ctrl |= PRTCSS_RTC_CTRL_TIEN | + PRTCSS_RTC_CTRL_TMMD | + PRTCSS_RTC_CTRL_TMRFLG; + } else + rtc_ctrl &= ~PRTCSS_RTC_CTRL_TIEN; + + rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + return 0; +} + +static int davinci_rtc_irq_set_freq(struct device *dev, int freq) +{ + struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); + unsigned long flags; + u16 tmr_counter = (0x8000 >> (ffs(freq) - 1)); + + spin_lock_irqsave(&davinci_rtc_lock, flags); + + rtcss_write(davinci_rtc, tmr_counter & 0xFF, PRTCSS_RTC_TMR0); + rtcss_write(davinci_rtc, (tmr_counter & 0xFF00) >> 8, PRTCSS_RTC_TMR1); + + spin_unlock_irqrestore(&davinci_rtc_lock, flags); + + return 0; +} + +static struct rtc_class_ops davinci_rtc_ops = { + .ioctl = davinci_rtc_ioctl, + .read_time = davinci_rtc_read_time, + .set_time = davinci_rtc_set_time, + .alarm_irq_enable = davinci_rtc_alarm_irq_enable, + .read_alarm = davinci_rtc_read_alarm, + .set_alarm = davinci_rtc_set_alarm, + .irq_set_state = davinci_rtc_irq_set_state, + .irq_set_freq = davinci_rtc_irq_set_freq, +}; + +static int __init davinci_rtc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct davinci_rtc *davinci_rtc; + struct resource *res, *mem; + int ret = 0; + + davinci_rtc = kzalloc(sizeof(struct davinci_rtc), GFP_KERNEL); + if (!davinci_rtc) { + dev_dbg(dev, "could not allocate memory for private data\n"); + return -ENOMEM; + } + + davinci_rtc->irq = platform_get_irq(pdev, 0); + if (davinci_rtc->irq < 0) { + dev_err(dev, "no RTC irq\n"); + ret = davinci_rtc->irq; + goto fail1; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "no mem resource\n"); + ret = -EINVAL; + goto fail1; + } + + davinci_rtc->pbase = res->start; + davinci_rtc->base_size = resource_size(res); + + mem = request_mem_region(davinci_rtc->pbase, davinci_rtc->base_size, + pdev->name); + if (!mem) { + dev_err(dev, "RTC registers at %08x are not free\n", + davinci_rtc->pbase); + ret = -EBUSY; + goto fail1; + } + + davinci_rtc->base = ioremap(davinci_rtc->pbase, davinci_rtc->base_size); + if (!davinci_rtc->base) { + dev_err(dev, "unable to ioremap MEM resource\n"); + ret = -ENOMEM; + goto fail2; + } + + davinci_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, + &davinci_rtc_ops, THIS_MODULE); + if (IS_ERR(davinci_rtc->rtc)) { + dev_err(dev, "unable to register RTC device, err %ld\n", + PTR_ERR(davinci_rtc->rtc)); + goto fail3; + } + + rtcif_write(davinci_rtc, PRTCIF_INTFLG_RTCSS, PRTCIF_INTFLG); + rtcif_write(davinci_rtc, 0, PRTCIF_INTEN); + rtcss_write(davinci_rtc, 0, PRTCSS_RTC_INTC_EXTENA1); + + rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CTRL); + rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CCTRL); + + ret = request_irq(davinci_rtc->irq, davinci_rtc_interrupt, + IRQF_DISABLED, "davinci_rtc", davinci_rtc); + if (ret < 0) { + dev_err(dev, "unable to register davinci RTC interrupt\n"); + goto fail4; + } + + /* Enable interrupts */ + rtcif_write(davinci_rtc, PRTCIF_INTEN_RTCSS, PRTCIF_INTEN); + rtcss_write(davinci_rtc, PRTCSS_RTC_INTC_EXTENA1_MASK, + PRTCSS_RTC_INTC_EXTENA1); + + rtcss_write(davinci_rtc, PRTCSS_RTC_CCTRL_CAEN, PRTCSS_RTC_CCTRL); + + platform_set_drvdata(pdev, davinci_rtc); + + device_init_wakeup(&pdev->dev, 0); + + return 0; + +fail4: + rtc_device_unregister(davinci_rtc->rtc); +fail3: + iounmap(davinci_rtc->base); +fail2: + release_mem_region(davinci_rtc->pbase, davinci_rtc->base_size); +fail1: + kfree(davinci_rtc); + + return ret; +} + +static int __devexit davinci_rtc_remove(struct platform_device *pdev) +{ + struct davinci_rtc *davinci_rtc = platform_get_drvdata(pdev); + + device_init_wakeup(&pdev->dev, 0); + + rtcif_write(davinci_rtc, 0, PRTCIF_INTEN); + + free_irq(davinci_rtc->irq, davinci_rtc); + + rtc_device_unregister(davinci_rtc->rtc); + + iounmap(davinci_rtc->base); + release_mem_region(davinci_rtc->pbase, davinci_rtc->base_size); + + platform_set_drvdata(pdev, NULL); + + kfree(davinci_rtc); + + return 0; +} + +static struct platform_driver davinci_rtc_driver = { + .probe = davinci_rtc_probe, + .remove = __devexit_p(davinci_rtc_remove), + .driver = { + .name = "rtc_davinci", + .owner = THIS_MODULE, + }, +}; + +static int __init rtc_init(void) +{ + return platform_driver_probe(&davinci_rtc_driver, davinci_rtc_probe); +} +module_init(rtc_init); + +static void __exit rtc_exit(void) +{ + platform_driver_unregister(&davinci_rtc_driver); +} +module_exit(rtc_exit); + +MODULE_AUTHOR("Miguel Aguilar <miguel.aguilar@ridgerun.com>"); +MODULE_DESCRIPTION("Texas Instruments DaVinci PRTC Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-ds1216.c b/drivers/rtc/rtc-ds1216.c index 4aedc705518..45cd8c9f5a3 100644 --- a/drivers/rtc/rtc-ds1216.c +++ b/drivers/rtc/rtc-ds1216.c @@ -9,6 +9,7 @@ #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/bcd.h> +#include <linux/slab.h> #define DRV_VERSION "0.2" diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c index 4fcb16bbff4..bf430f9091e 100644 --- a/drivers/rtc/rtc-ds1286.c +++ b/drivers/rtc/rtc-ds1286.c @@ -18,6 +18,7 @@ #include <linux/bcd.h> #include <linux/ds1286.h> #include <linux/io.h> +#include <linux/slab.h> #define DRV_VERSION "1.0" diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c index 9630e7d3314..7836c9cec55 100644 --- a/drivers/rtc/rtc-ds1305.c +++ b/drivers/rtc/rtc-ds1305.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/bcd.h> +#include <linux/slab.h> #include <linux/rtc.h> #include <linux/workqueue.h> diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index 5317bbcbc7a..61945734ad0 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -24,6 +24,7 @@ #include <linux/rtc.h> #include <linux/bcd.h> #include <linux/workqueue.h> +#include <linux/slab.h> #define DS1374_REG_TOD0 0x00 /* Time of Day */ #define DS1374_REG_TOD1 0x01 diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c index cdb70505709..26a86d23505 100644 --- a/drivers/rtc/rtc-ds1390.c +++ b/drivers/rtc/rtc-ds1390.c @@ -19,6 +19,7 @@ #include <linux/rtc.h> #include <linux/spi/spi.h> #include <linux/bcd.h> +#include <linux/slab.h> #define DS1390_REG_100THS 0x00 #define DS1390_REG_SECONDS 0x01 diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c index 4166b84cb51..06b8566c453 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -17,6 +17,7 @@ #include <linux/bcd.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/rtc.h> diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index ed1ef7c9cc0..244f9994bcb 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -11,6 +11,7 @@ #include <linux/bcd.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/interrupt.h> diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index cad9ceb89ba..2b4b0bc42d6 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -15,6 +15,7 @@ #include <linux/bcd.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/rtc.h> diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c index 91bde976bc0..11ae64dcbf3 100644 --- a/drivers/rtc/rtc-ep93xx.c +++ b/drivers/rtc/rtc-ep93xx.c @@ -13,6 +13,7 @@ #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/gfp.h> #define EP93XX_RTC_DATA 0x000 #define EP93XX_RTC_MATCH 0x004 diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c index 812c6675508..ff6fce61ea4 100644 --- a/drivers/rtc/rtc-fm3130.c +++ b/drivers/rtc/rtc-fm3130.c @@ -13,6 +13,7 @@ #include <linux/i2c.h> #include <linux/rtc.h> #include <linux/bcd.h> +#include <linux/slab.h> #define FM3130_RTC_CONTROL (0x0) #define FM3130_CAL_CONTROL (0x1) diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c index 8cb5b8959e5..7410875e583 100644 --- a/drivers/rtc/rtc-m48t35.c +++ b/drivers/rtc/rtc-m48t35.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/rtc.h> +#include <linux/slab.h> #include <linux/platform_device.h> #include <linux/bcd.h> #include <linux/io.h> diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c index ede43b84685..365ff3ac234 100644 --- a/drivers/rtc/rtc-m48t59.c +++ b/drivers/rtc/rtc-m48t59.c @@ -19,6 +19,7 @@ #include <linux/rtc.h> #include <linux/rtc/m48t59.h> #include <linux/bcd.h> +#include <linux/slab.h> #ifndef NO_IRQ #define NO_IRQ (-1) diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c index acdbb176018..174036dda78 100644 --- a/drivers/rtc/rtc-max8925.c +++ b/drivers/rtc/rtc-max8925.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/i2c.h> +#include <linux/slab.h> #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/mfd/max8925.h> diff --git a/drivers/rtc/rtc-mc13783.c b/drivers/rtc/rtc-mc13783.c index 1379c7faa44..675bfb51536 100644 --- a/drivers/rtc/rtc-mc13783.c +++ b/drivers/rtc/rtc-mc13783.c @@ -13,6 +13,7 @@ #include <linux/platform_device.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/rtc.h> #define DRIVER_NAME "mc13783-rtc" diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index 4313ca03a96..f0dbf9cb8f9 100644 --- a/drivers/rtc/rtc-mpc5121.c +++ b/drivers/rtc/rtc-mpc5121.c @@ -15,6 +15,7 @@ #include <linux/of_device.h> #include <linux/of_platform.h> #include <linux/io.h> +#include <linux/slab.h> struct mpc5121_rtc_regs { u8 set_time; /* RTC + 0x00 */ diff --git a/drivers/rtc/rtc-msm6242.c b/drivers/rtc/rtc-msm6242.c index 5f5968a4892..b2fff0ca49f 100644 --- a/drivers/rtc/rtc-msm6242.c +++ b/drivers/rtc/rtc-msm6242.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/rtc.h> +#include <linux/slab.h> enum { diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c index dc052ce6e63..bcca4729855 100644 --- a/drivers/rtc/rtc-mv.c +++ b/drivers/rtc/rtc-mv.c @@ -13,6 +13,7 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/gfp.h> #define RTC_TIME_REG_OFFS 0 diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index 8710f9415d9..d71fe61db1d 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -12,6 +12,7 @@ #include <linux/io.h> #include <linux/rtc.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/clk.h> @@ -383,21 +384,26 @@ static int __init mxc_rtc_probe(struct platform_device *pdev) struct rtc_device *rtc; struct rtc_plat_data *pdata = NULL; u32 reg; - int ret, rate; + unsigned long rate; + int ret; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENODEV; - pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; - pdata->ioaddr = ioremap(res->start, resource_size(res)); + if (!devm_request_mem_region(&pdev->dev, res->start, + resource_size(res), pdev->name)) + return -EBUSY; + + pdata->ioaddr = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); clk = clk_get(&pdev->dev, "ckil"); if (IS_ERR(clk)) { - iounmap(pdata->ioaddr); ret = PTR_ERR(clk); goto exit_free_pdata; } @@ -412,8 +418,7 @@ static int __init mxc_rtc_probe(struct platform_device *pdev) else if (rate == 38400) reg = RTC_INPUT_CLK_38400HZ; else { - dev_err(&pdev->dev, "rtc clock is not valid (%lu)\n", - clk_get_rate(clk)); + dev_err(&pdev->dev, "rtc clock is not valid (%lu)\n", rate); ret = -EINVAL; goto exit_free_pdata; } @@ -449,8 +454,8 @@ static int __init mxc_rtc_probe(struct platform_device *pdev) pdata->irq = platform_get_irq(pdev, 0); if (pdata->irq >= 0 && - request_irq(pdata->irq, mxc_rtc_interrupt, IRQF_SHARED, - pdev->name, pdev) < 0) { + devm_request_irq(&pdev->dev, pdata->irq, mxc_rtc_interrupt, + IRQF_SHARED, pdev->name, pdev) < 0) { dev_warn(&pdev->dev, "interrupt not available.\n"); pdata->irq = -1; } @@ -458,10 +463,10 @@ static int __init mxc_rtc_probe(struct platform_device *pdev) return 0; exit_put_clk: + clk_disable(pdata->clk); clk_put(pdata->clk); exit_free_pdata: - kfree(pdata); return ret; } @@ -472,12 +477,8 @@ static int __exit mxc_rtc_remove(struct platform_device *pdev) rtc_device_unregister(pdata->rtc); - if (pdata->irq >= 0) - free_irq(pdata->irq, pdev); - clk_disable(pdata->clk); clk_put(pdata->clk); - kfree(pdata); platform_set_drvdata(pdev, NULL); return 0; diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c index bf59c9c586b..a351bd5d817 100644 --- a/drivers/rtc/rtc-nuc900.c +++ b/drivers/rtc/rtc-nuc900.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/rtc.h> #include <linux/delay.h> #include <linux/io.h> diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c index a99c28992d2..25c0b3fd44f 100644 --- a/drivers/rtc/rtc-pcap.c +++ b/drivers/rtc/rtc-pcap.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/mfd/ezx-pcap.h> #include <linux/rtc.h> +#include <linux/slab.h> #include <linux/platform_device.h> struct pcap_rtc { diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index 2ceb365533b..71bab0ef544 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -39,6 +39,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> +#include <linux/slab.h> #include <linux/rtc.h> #include <linux/spi/spi.h> diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c index 854c3cb365a..16edf94ab42 100644 --- a/drivers/rtc/rtc-pcf50633.c +++ b/drivers/rtc/rtc-pcf50633.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> +#include <linux/slab.h> #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/bcd.h> diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 65f346b2fba..1af42b4a6f5 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -17,6 +17,7 @@ #include <linux/i2c.h> #include <linux/bcd.h> #include <linux/rtc.h> +#include <linux/slab.h> #define DRV_VERSION "0.4.3" diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 457231bb102..bbdb2f02798 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -13,6 +13,7 @@ #include <linux/interrupt.h> #include <linux/amba/bus.h> #include <linux/io.h> +#include <linux/slab.h> #define RTC_DR (0) #define RTC_MR (4) diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index c256aacfa95..3587d9922f2 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -24,6 +24,7 @@ #include <linux/bcd.h> #include <linux/delay.h> #include <linux/version.h> +#include <linux/slab.h> /* * Register definitions diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c index e6351b743da..e9c6fa03598 100644 --- a/drivers/rtc/rtc-pxa.c +++ b/drivers/rtc/rtc-pxa.c @@ -26,6 +26,7 @@ #include <linux/seq_file.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/hardware.h> diff --git a/drivers/rtc/rtc-rp5c01.c b/drivers/rtc/rtc-rp5c01.c index e1313feb060..a95f733bb15 100644 --- a/drivers/rtc/rtc-rp5c01.c +++ b/drivers/rtc/rtc-rp5c01.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/rtc.h> +#include <linux/slab.h> enum { diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c index 2099037cb3e..368d0e63cf8 100644 --- a/drivers/rtc/rtc-rs5c348.c +++ b/drivers/rtc/rtc-rs5c348.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> +#include <linux/slab.h> #include <linux/rtc.h> #include <linux/workqueue.h> #include <linux/spi/spi.h> diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index 2f2c68d476d..90cf0a6ff23 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -13,6 +13,7 @@ #include <linux/i2c.h> #include <linux/rtc.h> #include <linux/bcd.h> +#include <linux/slab.h> #define DRV_VERSION "0.6" diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c index b1a29bcfdf1..b65c82f792d 100644 --- a/drivers/rtc/rtc-rx8025.c +++ b/drivers/rtc/rtc-rx8025.c @@ -20,6 +20,7 @@ */ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/bcd.h> #include <linux/i2c.h> diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index e0d7b999150..4969b6059c8 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -21,6 +21,7 @@ #include <linux/bcd.h> #include <linux/clk.h> #include <linux/log2.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <asm/uaccess.h> diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index e95cc6f8d61..5efbd5990ff 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -26,6 +26,7 @@ #include <linux/io.h> #include <linux/log2.h> #include <linux/clk.h> +#include <linux/slab.h> #include <asm/rtc.h> #define DRV_NAME "sh-rtc" diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c index 67700831b5c..875ba099e7a 100644 --- a/drivers/rtc/rtc-stk17ta8.c +++ b/drivers/rtc/rtc-stk17ta8.c @@ -14,6 +14,7 @@ #include <linux/bcd.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/interrupt.h> diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index d7ce1a5c857..7e7d0c806f2 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -22,6 +22,7 @@ #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/rtc.h> +#include <linux/slab.h> #include <mach/platform.h> #include <mach/stmp3xxx.h> diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c index 9ee81d8aa7c..20bfc64a15c 100644 --- a/drivers/rtc/rtc-tx4939.c +++ b/drivers/rtc/rtc-tx4939.c @@ -12,6 +12,7 @@ #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/gfp.h> #include <asm/txx9/tx4939.h> struct tx4939rtc_plat_data { diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c index bed4cab0704..f71c3ce1803 100644 --- a/drivers/rtc/rtc-v3020.c +++ b/drivers/rtc/rtc-v3020.c @@ -28,6 +28,7 @@ #include <linux/rtc-v3020.h> #include <linux/delay.h> #include <linux/gpio.h> +#include <linux/slab.h> #include <linux/io.h> diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c index 000c7e481e5..b16cfe57a48 100644 --- a/drivers/rtc/rtc-wm831x.c +++ b/drivers/rtc/rtc-wm831x.c @@ -16,6 +16,7 @@ #include <linux/kernel.h> #include <linux/time.h> #include <linux/rtc.h> +#include <linux/slab.h> #include <linux/bcd.h> #include <linux/interrupt.h> #include <linux/ioctl.h> |