diff options
Diffstat (limited to 'drivers/rtc')
40 files changed, 233 insertions, 444 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 8e286259a007..8a1c031391d6 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -228,11 +228,11 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) alarm->time.tm_hour = now.tm_hour; /* For simplicity, only support date rollover for now */ - if (alarm->time.tm_mday == -1) { + if (alarm->time.tm_mday < 1 || alarm->time.tm_mday > 31) { alarm->time.tm_mday = now.tm_mday; missing = day; } - if (alarm->time.tm_mon == -1) { + if ((unsigned)alarm->time.tm_mon >= 12) { alarm->time.tm_mon = now.tm_mon; if (missing == none) missing = month; diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index 64b847b7f970..f04761e6622d 100644 --- a/drivers/rtc/rtc-88pm860x.c +++ b/drivers/rtc/rtc-88pm860x.c @@ -410,17 +410,7 @@ static struct platform_driver pm860x_rtc_driver = { .remove = __devexit_p(pm860x_rtc_remove), }; -static int __init pm860x_rtc_init(void) -{ - return platform_driver_register(&pm860x_rtc_driver); -} -module_init(pm860x_rtc_init); - -static void __exit pm860x_rtc_exit(void) -{ - platform_driver_unregister(&pm860x_rtc_driver); -} -module_exit(pm860x_rtc_exit); +module_platform_driver(pm860x_rtc_driver); MODULE_DESCRIPTION("Marvell 88PM860x RTC driver"); MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index e346705aae92..a0a9810adf0b 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -90,7 +90,7 @@ static int ab8500_rtc_read_time(struct device *dev, struct rtc_time *tm) /* Early AB8500 chips will not clear the rtc read request bit */ if (abx500_get_chip_id(dev) == 0) { - msleep(1); + usleep_range(1000, 1000); } else { /* Wait for some cycles after enabling the rtc read in ab8500 */ while (time_before(jiffies, timeout)) { @@ -102,7 +102,7 @@ static int ab8500_rtc_read_time(struct device *dev, struct rtc_time *tm) if (!(value & RTC_READ_REQUEST)) break; - msleep(1); + usleep_range(1000, 5000); } } @@ -258,6 +258,109 @@ static int ab8500_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) return ab8500_rtc_irq_enable(dev, alarm->enabled); } + +static int ab8500_rtc_set_calibration(struct device *dev, int calibration) +{ + int retval; + u8 rtccal = 0; + + /* + * Check that the calibration value (which is in units of 0.5 + * parts-per-million) is in the AB8500's range for RtcCalibration + * register. -128 (0x80) is not permitted because the AB8500 uses + * a sign-bit rather than two's complement, so 0x80 is just another + * representation of zero. + */ + if ((calibration < -127) || (calibration > 127)) { + dev_err(dev, "RtcCalibration value outside permitted range\n"); + return -EINVAL; + } + + /* + * The AB8500 uses sign (in bit7) and magnitude (in bits0-7) + * so need to convert to this sort of representation before writing + * into RtcCalibration register... + */ + if (calibration >= 0) + rtccal = 0x7F & calibration; + else + rtccal = ~(calibration - 1) | 0x80; + + retval = abx500_set_register_interruptible(dev, AB8500_RTC, + AB8500_RTC_CALIB_REG, rtccal); + + return retval; +} + +static int ab8500_rtc_get_calibration(struct device *dev, int *calibration) +{ + int retval; + u8 rtccal = 0; + + retval = abx500_get_register_interruptible(dev, AB8500_RTC, + AB8500_RTC_CALIB_REG, &rtccal); + if (retval >= 0) { + /* + * The AB8500 uses sign (in bit7) and magnitude (in bits0-7) + * so need to convert value from RtcCalibration register into + * a two's complement signed value... + */ + if (rtccal & 0x80) + *calibration = 0 - (rtccal & 0x7F); + else + *calibration = 0x7F & rtccal; + } + + return retval; +} + +static ssize_t ab8500_sysfs_store_rtc_calibration(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int retval; + int calibration = 0; + + if (sscanf(buf, " %i ", &calibration) != 1) { + dev_err(dev, "Failed to store RTC calibration attribute\n"); + return -EINVAL; + } + + retval = ab8500_rtc_set_calibration(dev, calibration); + + return retval ? retval : count; +} + +static ssize_t ab8500_sysfs_show_rtc_calibration(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int retval = 0; + int calibration = 0; + + retval = ab8500_rtc_get_calibration(dev, &calibration); + if (retval < 0) { + dev_err(dev, "Failed to read RTC calibration attribute\n"); + sprintf(buf, "0\n"); + return retval; + } + + return sprintf(buf, "%d\n", calibration); +} + +static DEVICE_ATTR(rtc_calibration, S_IRUGO | S_IWUSR, + ab8500_sysfs_show_rtc_calibration, + ab8500_sysfs_store_rtc_calibration); + +static int ab8500_sysfs_rtc_register(struct device *dev) +{ + return device_create_file(dev, &dev_attr_rtc_calibration); +} + +static void ab8500_sysfs_rtc_unregister(struct device *dev) +{ + device_remove_file(dev, &dev_attr_rtc_calibration); +} + static irqreturn_t rtc_alarm_handler(int irq, void *data) { struct rtc_device *rtc = data; @@ -295,7 +398,7 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) return err; /* Wait for reset by the PorRtc */ - msleep(1); + usleep_range(1000, 5000); err = abx500_get_register_interruptible(&pdev->dev, AB8500_RTC, AB8500_RTC_STAT_REG, &rtc_ctrl); @@ -308,6 +411,8 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) return -ENODEV; } + device_init_wakeup(&pdev->dev, true); + rtc = rtc_device_register("ab8500-rtc", &pdev->dev, &ab8500_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { @@ -316,8 +421,8 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) return err; } - err = request_threaded_irq(irq, NULL, rtc_alarm_handler, 0, - "ab8500-rtc", rtc); + err = request_threaded_irq(irq, NULL, rtc_alarm_handler, + IRQF_NO_SUSPEND, "ab8500-rtc", rtc); if (err < 0) { rtc_device_unregister(rtc); return err; @@ -325,6 +430,13 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); + + err = ab8500_sysfs_rtc_register(&pdev->dev); + if (err) { + dev_err(&pdev->dev, "sysfs RTC failed to register\n"); + return err; + } + return 0; } @@ -333,6 +445,8 @@ static int __devexit ab8500_rtc_remove(struct platform_device *pdev) struct rtc_device *rtc = platform_get_drvdata(pdev); int irq = platform_get_irq_byname(pdev, "ALARM"); + ab8500_sysfs_rtc_unregister(&pdev->dev); + free_irq(irq, rtc); rtc_device_unregister(rtc); platform_set_drvdata(pdev, NULL); @@ -349,18 +463,8 @@ static struct platform_driver ab8500_rtc_driver = { .remove = __devexit_p(ab8500_rtc_remove), }; -static int __init ab8500_rtc_init(void) -{ - return platform_driver_register(&ab8500_rtc_driver); -} - -static void __exit ab8500_rtc_exit(void) -{ - platform_driver_unregister(&ab8500_rtc_driver); -} +module_platform_driver(ab8500_rtc_driver); -module_init(ab8500_rtc_init); -module_exit(ab8500_rtc_exit); MODULE_AUTHOR("Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>"); MODULE_DESCRIPTION("AB8500 RTC Driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index 90d866272c8e..abfc1a0c07d9 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -456,18 +456,7 @@ static struct platform_driver bfin_rtc_driver = { .resume = bfin_rtc_resume, }; -static int __init bfin_rtc_init(void) -{ - return platform_driver_register(&bfin_rtc_driver); -} - -static void __exit bfin_rtc_exit(void) -{ - platform_driver_unregister(&bfin_rtc_driver); -} - -module_init(bfin_rtc_init); -module_exit(bfin_rtc_exit); +module_platform_driver(bfin_rtc_driver); MODULE_DESCRIPTION("Blackfin On-Chip Real Time Clock Driver"); MODULE_AUTHOR("Mike Frysinger <vapier@gentoo.org>"); diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c index 128270ce355d..bf612ef22941 100644 --- a/drivers/rtc/rtc-bq4802.c +++ b/drivers/rtc/rtc-bq4802.c @@ -218,15 +218,4 @@ static struct platform_driver bq4802_driver = { .remove = __devexit_p(bq4802_remove), }; -static int __init bq4802_init(void) -{ - return platform_driver_register(&bq4802_driver); -} - -static void __exit bq4802_exit(void) -{ - platform_driver_unregister(&bq4802_driver); -} - -module_init(bq4802_init); -module_exit(bq4802_exit); +module_platform_driver(bq4802_driver); diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 05beb6c1ca79..d7782aa09943 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -164,7 +164,7 @@ static inline unsigned char cmos_read_bank2(unsigned char addr) static inline void cmos_write_bank2(unsigned char val, unsigned char addr) { outb(addr, RTC_PORT(2)); - outb(val, RTC_PORT(2)); + outb(val, RTC_PORT(3)); } #else diff --git a/drivers/rtc/rtc-dm355evm.c b/drivers/rtc/rtc-dm355evm.c index 2322c43af201..d4457afcba89 100644 --- a/drivers/rtc/rtc-dm355evm.c +++ b/drivers/rtc/rtc-dm355evm.c @@ -161,16 +161,6 @@ static struct platform_driver rtc_dm355evm_driver = { }, }; -static int __init dm355evm_rtc_init(void) -{ - return platform_driver_register(&rtc_dm355evm_driver); -} -module_init(dm355evm_rtc_init); - -static void __exit dm355evm_rtc_exit(void) -{ - platform_driver_unregister(&rtc_dm355evm_driver); -} -module_exit(dm355evm_rtc_exit); +module_platform_driver(rtc_dm355evm_driver); MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c index 68e6caf25496..990c3ff489bf 100644 --- a/drivers/rtc/rtc-ds1286.c +++ b/drivers/rtc/rtc-ds1286.c @@ -396,21 +396,10 @@ static struct platform_driver ds1286_platform_driver = { .remove = __devexit_p(ds1286_remove), }; -static int __init ds1286_init(void) -{ - return platform_driver_register(&ds1286_platform_driver); -} - -static void __exit ds1286_exit(void) -{ - platform_driver_unregister(&ds1286_platform_driver); -} +module_platform_driver(ds1286_platform_driver); MODULE_AUTHOR("Thomas Bogendoerfer <tsbogend@alpha.franken.de>"); MODULE_DESCRIPTION("DS1286 RTC driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); MODULE_ALIAS("platform:rtc-ds1286"); - -module_init(ds1286_init); -module_exit(ds1286_exit); diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c index 586c244a05d8..761f36bc83a9 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -580,20 +580,7 @@ static struct platform_driver ds1511_rtc_driver = { }, }; - static int __init -ds1511_rtc_init(void) -{ - return platform_driver_register(&ds1511_rtc_driver); -} - - static void __exit -ds1511_rtc_exit(void) -{ - platform_driver_unregister(&ds1511_rtc_driver); -} - -module_init(ds1511_rtc_init); -module_exit(ds1511_rtc_exit); +module_platform_driver(ds1511_rtc_driver); MODULE_AUTHOR("Andrew Sharp <andy.sharp@lsi.com>"); MODULE_DESCRIPTION("Dallas DS1511 RTC driver"); diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index 1350029044e6..6f0a1b530f2e 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -361,18 +361,7 @@ static struct platform_driver ds1553_rtc_driver = { }, }; -static __init int ds1553_init(void) -{ - return platform_driver_register(&ds1553_rtc_driver); -} - -static __exit void ds1553_exit(void) -{ - platform_driver_unregister(&ds1553_rtc_driver); -} - -module_init(ds1553_init); -module_exit(ds1553_exit); +module_platform_driver(ds1553_rtc_driver); MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>"); MODULE_DESCRIPTION("Dallas DS1553 RTC driver"); diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index e3e0f92b60f0..76112667c507 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -240,18 +240,7 @@ static struct platform_driver ds1742_rtc_driver = { }, }; -static __init int ds1742_init(void) -{ - return platform_driver_register(&ds1742_rtc_driver); -} - -static __exit void ds1742_exit(void) -{ - platform_driver_unregister(&ds1742_rtc_driver); -} - -module_init(ds1742_init); -module_exit(ds1742_exit); +module_platform_driver(ds1742_rtc_driver); MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>"); MODULE_DESCRIPTION("Dallas DS1742 RTC driver"); diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c index b6473631d182..05ab227eeff7 100644 --- a/drivers/rtc/rtc-jz4740.c +++ b/drivers/rtc/rtc-jz4740.c @@ -345,7 +345,7 @@ static const struct dev_pm_ops jz4740_pm_ops = { #define JZ4740_RTC_PM_OPS NULL #endif /* CONFIG_PM */ -struct platform_driver jz4740_rtc_driver = { +static struct platform_driver jz4740_rtc_driver = { .probe = jz4740_rtc_probe, .remove = __devexit_p(jz4740_rtc_remove), .driver = { @@ -355,17 +355,7 @@ struct platform_driver jz4740_rtc_driver = { }, }; -static int __init jz4740_rtc_init(void) -{ - return platform_driver_register(&jz4740_rtc_driver); -} -module_init(jz4740_rtc_init); - -static void __exit jz4740_rtc_exit(void) -{ - platform_driver_unregister(&jz4740_rtc_driver); -} -module_exit(jz4740_rtc_exit); +module_platform_driver(jz4740_rtc_driver); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c index ae16250c762f..ecc1713b2b4f 100644 --- a/drivers/rtc/rtc-lpc32xx.c +++ b/drivers/rtc/rtc-lpc32xx.c @@ -396,17 +396,7 @@ static struct platform_driver lpc32xx_rtc_driver = { }, }; -static int __init lpc32xx_rtc_init(void) -{ - return platform_driver_register(&lpc32xx_rtc_driver); -} -module_init(lpc32xx_rtc_init); - -static void __exit lpc32xx_rtc_exit(void) -{ - platform_driver_unregister(&lpc32xx_rtc_driver); -} -module_exit(lpc32xx_rtc_exit); +module_platform_driver(lpc32xx_rtc_driver); MODULE_AUTHOR("Kevin Wells <wellsk40@gmail.com"); MODULE_DESCRIPTION("RTC driver for the LPC32xx SoC"); diff --git a/drivers/rtc/rtc-m41t93.c b/drivers/rtc/rtc-m41t93.c index 7317d3b9a3d5..ef71132ff205 100644 --- a/drivers/rtc/rtc-m41t93.c +++ b/drivers/rtc/rtc-m41t93.c @@ -200,7 +200,6 @@ static int __devexit m41t93_remove(struct spi_device *spi) static struct spi_driver m41t93_driver = { .driver = { .name = "rtc-m41t93", - .bus = &spi_bus_type, .owner = THIS_MODULE, }, .probe = m41t93_probe, diff --git a/drivers/rtc/rtc-m41t94.c b/drivers/rtc/rtc-m41t94.c index e259ed76ae85..2a4721f61797 100644 --- a/drivers/rtc/rtc-m41t94.c +++ b/drivers/rtc/rtc-m41t94.c @@ -147,7 +147,6 @@ static int __devexit m41t94_remove(struct spi_device *spi) static struct spi_driver m41t94_driver = { .driver = { .name = "rtc-m41t94", - .bus = &spi_bus_type, .owner = THIS_MODULE, }, .probe = m41t94_probe, diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c index 8e2a24e33ed6..f9e3b3583733 100644 --- a/drivers/rtc/rtc-m48t35.c +++ b/drivers/rtc/rtc-m48t35.c @@ -216,21 +216,10 @@ static struct platform_driver m48t35_platform_driver = { .remove = __devexit_p(m48t35_remove), }; -static int __init m48t35_init(void) -{ - return platform_driver_register(&m48t35_platform_driver); -} - -static void __exit m48t35_exit(void) -{ - platform_driver_unregister(&m48t35_platform_driver); -} +module_platform_driver(m48t35_platform_driver); MODULE_AUTHOR("Thomas Bogendoerfer <tsbogend@alpha.franken.de>"); MODULE_DESCRIPTION("M48T35 RTC driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); MODULE_ALIAS("platform:rtc-m48t35"); - -module_init(m48t35_init); -module_exit(m48t35_exit); diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c index 28365388fb6c..30ebfec9fd2b 100644 --- a/drivers/rtc/rtc-m48t59.c +++ b/drivers/rtc/rtc-m48t59.c @@ -530,18 +530,7 @@ static struct platform_driver m48t59_rtc_driver = { .remove = __devexit_p(m48t59_rtc_remove), }; -static int __init m48t59_rtc_init(void) -{ - return platform_driver_register(&m48t59_rtc_driver); -} - -static void __exit m48t59_rtc_exit(void) -{ - platform_driver_unregister(&m48t59_rtc_driver); -} - -module_init(m48t59_rtc_init); -module_exit(m48t59_rtc_exit); +module_platform_driver(m48t59_rtc_driver); MODULE_AUTHOR("Mark Zhan <rongkai.zhan@windriver.com>"); MODULE_DESCRIPTION("M48T59/M48T02/M48T08 RTC driver"); diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c index f981287d582b..863fb3363aa6 100644 --- a/drivers/rtc/rtc-m48t86.c +++ b/drivers/rtc/rtc-m48t86.c @@ -185,21 +185,10 @@ static struct platform_driver m48t86_rtc_platform_driver = { .remove = __devexit_p(m48t86_rtc_remove), }; -static int __init m48t86_rtc_init(void) -{ - return platform_driver_register(&m48t86_rtc_platform_driver); -} - -static void __exit m48t86_rtc_exit(void) -{ - platform_driver_unregister(&m48t86_rtc_platform_driver); -} +module_platform_driver(m48t86_rtc_platform_driver); MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); MODULE_DESCRIPTION("M48T86 RTC driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); MODULE_ALIAS("platform:rtc-m48t86"); - -module_init(m48t86_rtc_init); -module_exit(m48t86_rtc_exit); diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c index 0ec3f588a255..1f6b3cc58e8a 100644 --- a/drivers/rtc/rtc-max6902.c +++ b/drivers/rtc/rtc-max6902.c @@ -154,7 +154,6 @@ static int __devexit max6902_remove(struct spi_device *spi) static struct spi_driver max6902_driver = { .driver = { .name = "rtc-max6902", - .bus = &spi_bus_type, .owner = THIS_MODULE, }, .probe = max6902_probe, diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c index 3bc046f427e0..4a5529346b47 100644 --- a/drivers/rtc/rtc-max8925.c +++ b/drivers/rtc/rtc-max8925.c @@ -299,17 +299,7 @@ static struct platform_driver max8925_rtc_driver = { .remove = __devexit_p(max8925_rtc_remove), }; -static int __init max8925_rtc_init(void) -{ - return platform_driver_register(&max8925_rtc_driver); -} -module_init(max8925_rtc_init); - -static void __exit max8925_rtc_exit(void) -{ - platform_driver_unregister(&max8925_rtc_driver); -} -module_exit(max8925_rtc_exit); +module_platform_driver(max8925_rtc_driver); MODULE_DESCRIPTION("Maxim MAX8925 RTC driver"); MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c index 2e48aa604273..7196f438c089 100644 --- a/drivers/rtc/rtc-max8998.c +++ b/drivers/rtc/rtc-max8998.c @@ -327,17 +327,7 @@ static struct platform_driver max8998_rtc_driver = { .id_table = max8998_rtc_id, }; -static int __init max8998_rtc_init(void) -{ - return platform_driver_register(&max8998_rtc_driver); -} -module_init(max8998_rtc_init); - -static void __exit max8998_rtc_exit(void) -{ - platform_driver_unregister(&max8998_rtc_driver); -} -module_exit(max8998_rtc_exit); +module_platform_driver(max8998_rtc_driver); MODULE_AUTHOR("Minkyu Kang <mk7.kang@samsung.com>"); MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); diff --git a/drivers/rtc/rtc-mc13xxx.c b/drivers/rtc/rtc-mc13xxx.c index 9d0c3b478d55..546f6850bffb 100644 --- a/drivers/rtc/rtc-mc13xxx.c +++ b/drivers/rtc/rtc-mc13xxx.c @@ -399,7 +399,7 @@ static int __exit mc13xxx_rtc_remove(struct platform_device *pdev) return 0; } -const struct platform_device_id mc13xxx_rtc_idtable[] = { +static const struct platform_device_id mc13xxx_rtc_idtable[] = { { .name = "mc13783-rtc", }, { diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index da60915818b6..9d3caccfc250 100644 --- a/drivers/rtc/rtc-mpc5121.c +++ b/drivers/rtc/rtc-mpc5121.c @@ -418,17 +418,7 @@ static struct platform_driver mpc5121_rtc_driver = { .remove = __devexit_p(mpc5121_rtc_remove), }; -static int __init mpc5121_rtc_init(void) -{ - return platform_driver_register(&mpc5121_rtc_driver); -} -module_init(mpc5121_rtc_init); - -static void __exit mpc5121_rtc_exit(void) -{ - platform_driver_unregister(&mpc5121_rtc_driver); -} -module_exit(mpc5121_rtc_exit); +module_platform_driver(mpc5121_rtc_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("John Rigby <jcrigby@gmail.com>"); diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c index bb21f443fb70..6cd6c7235344 100644 --- a/drivers/rtc/rtc-mrst.c +++ b/drivers/rtc/rtc-mrst.c @@ -537,18 +537,7 @@ static struct platform_driver vrtc_mrst_platform_driver = { } }; -static int __init vrtc_mrst_init(void) -{ - return platform_driver_register(&vrtc_mrst_platform_driver); -} - -static void __exit vrtc_mrst_exit(void) -{ - platform_driver_unregister(&vrtc_mrst_platform_driver); -} - -module_init(vrtc_mrst_init); -module_exit(vrtc_mrst_exit); +module_platform_driver(vrtc_mrst_platform_driver); MODULE_AUTHOR("Jacob Pan; Feng Tang"); MODULE_DESCRIPTION("Driver for Moorestown virtual RTC"); diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index 39e41fbdf08b..5e1d64ee5228 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -155,7 +155,6 @@ static int rtc_update_alarm(struct device *dev, struct rtc_time *alrm) { struct rtc_time alarm_tm, now_tm; unsigned long now, time; - int ret; struct platform_device *pdev = to_platform_device(dev); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); void __iomem *ioaddr = pdata->ioaddr; @@ -168,21 +167,33 @@ static int rtc_update_alarm(struct device *dev, struct rtc_time *alrm) alarm_tm.tm_hour = alrm->tm_hour; alarm_tm.tm_min = alrm->tm_min; alarm_tm.tm_sec = alrm->tm_sec; - rtc_tm_to_time(&now_tm, &now); rtc_tm_to_time(&alarm_tm, &time); - if (time < now) { - time += 60 * 60 * 24; - rtc_time_to_tm(time, &alarm_tm); - } - - ret = rtc_tm_to_time(&alarm_tm, &time); - /* clear all the interrupt status bits */ writew(readw(ioaddr + RTC_RTCISR), ioaddr + RTC_RTCISR); set_alarm_or_time(dev, MXC_RTC_ALARM, time); - return ret; + return 0; +} + +static void mxc_rtc_irq_enable(struct device *dev, unsigned int bit, + unsigned int enabled) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + void __iomem *ioaddr = pdata->ioaddr; + u32 reg; + + spin_lock_irq(&pdata->rtc->irq_lock); + reg = readw(ioaddr + RTC_RTCIENR); + + if (enabled) + reg |= bit; + else + reg &= ~bit; + + writew(reg, ioaddr + RTC_RTCIENR); + spin_unlock_irq(&pdata->rtc->irq_lock); } /* This function is the RTC interrupt service routine. */ @@ -199,13 +210,12 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id) /* clear interrupt sources */ writew(status, ioaddr + RTC_RTCISR); - /* clear alarm interrupt if it has occurred */ - if (status & RTC_ALM_BIT) - status &= ~RTC_ALM_BIT; - /* update irq data & counter */ - if (status & RTC_ALM_BIT) + if (status & RTC_ALM_BIT) { events |= (RTC_AF | RTC_IRQF); + /* RTC alarm should be one-shot */ + mxc_rtc_irq_enable(&pdev->dev, RTC_ALM_BIT, 0); + } if (status & RTC_1HZ_BIT) events |= (RTC_UF | RTC_IRQF); @@ -213,9 +223,6 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id) if (status & PIT_ALL_ON) events |= (RTC_PF | RTC_IRQF); - if ((status & RTC_ALM_BIT) && rtc_valid_tm(&pdata->g_rtc_alarm)) - rtc_update_alarm(&pdev->dev, &pdata->g_rtc_alarm); - rtc_update_irq(pdata->rtc, 1, events); spin_unlock_irq(&pdata->rtc->irq_lock); @@ -242,26 +249,6 @@ static void mxc_rtc_release(struct device *dev) spin_unlock_irq(&pdata->rtc->irq_lock); } -static void mxc_rtc_irq_enable(struct device *dev, unsigned int bit, - unsigned int enabled) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - void __iomem *ioaddr = pdata->ioaddr; - u32 reg; - - spin_lock_irq(&pdata->rtc->irq_lock); - reg = readw(ioaddr + RTC_RTCIENR); - - if (enabled) - reg |= bit; - else - reg &= ~bit; - - writew(reg, ioaddr + RTC_RTCIENR); - spin_unlock_irq(&pdata->rtc->irq_lock); -} - static int mxc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { mxc_rtc_irq_enable(dev, RTC_ALM_BIT, enabled); @@ -290,6 +277,17 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm) */ static int mxc_rtc_set_mmss(struct device *dev, unsigned long time) { + /* + * TTC_DAYR register is 9-bit in MX1 SoC, save time and day of year only + */ + if (cpu_is_mx1()) { + struct rtc_time tm; + + rtc_time_to_tm(time, &tm); + tm.tm_year = 70; + rtc_tm_to_time(&tm, &time); + } + /* Avoid roll-over from reading the different registers */ do { set_alarm_or_time(dev, MXC_RTC_TIME, time); @@ -324,21 +322,7 @@ static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) struct rtc_plat_data *pdata = platform_get_drvdata(pdev); int ret; - if (rtc_valid_tm(&alrm->time)) { - if (alrm->time.tm_sec > 59 || - alrm->time.tm_hour > 23 || - alrm->time.tm_min > 59) - return -EINVAL; - - ret = rtc_update_alarm(dev, &alrm->time); - } else { - ret = rtc_valid_tm(&alrm->time); - if (ret) - return ret; - - ret = rtc_update_alarm(dev, &alrm->time); - } - + ret = rtc_update_alarm(dev, &alrm->time); if (ret) return ret; @@ -424,6 +408,9 @@ static int __init mxc_rtc_probe(struct platform_device *pdev) pdata->irq = -1; } + if (pdata->irq >=0) + device_init_wakeup(&pdev->dev, 1); + rtc = rtc_device_register(pdev->name, &pdev->dev, &mxc_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { @@ -459,9 +446,39 @@ static int __exit mxc_rtc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int mxc_rtc_suspend(struct device *dev) +{ + struct rtc_plat_data *pdata = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(pdata->irq); + + return 0; +} + +static int mxc_rtc_resume(struct device *dev) +{ + struct rtc_plat_data *pdata = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(pdata->irq); + + return 0; +} + +static struct dev_pm_ops mxc_rtc_pm_ops = { + .suspend = mxc_rtc_suspend, + .resume = mxc_rtc_resume, +}; +#endif + static struct platform_driver mxc_rtc_driver = { .driver = { .name = "mxc_rtc", +#ifdef CONFIG_PM + .pm = &mxc_rtc_pm_ops, +#endif .owner = THIS_MODULE, }, .remove = __exit_p(mxc_rtc_remove), diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index 2ee3bbf7e5ea..b46c4004d8fe 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -340,7 +340,6 @@ static int __devexit pcf2123_remove(struct spi_device *spi) static struct spi_driver pcf2123_driver = { .driver = { .name = "rtc-pcf2123", - .bus = &spi_bus_type, .owner = THIS_MODULE, }, .probe = pcf2123_probe, diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c index 0c423892923c..a20202f9ee57 100644 --- a/drivers/rtc/rtc-pcf50633.c +++ b/drivers/rtc/rtc-pcf50633.c @@ -294,17 +294,7 @@ static struct platform_driver pcf50633_rtc_driver = { .remove = __devexit_p(pcf50633_rtc_remove), }; -static int __init pcf50633_rtc_init(void) -{ - return platform_driver_register(&pcf50633_rtc_driver); -} -module_init(pcf50633_rtc_init); - -static void __exit pcf50633_rtc_exit(void) -{ - platform_driver_unregister(&pcf50633_rtc_driver); -} -module_exit(pcf50633_rtc_exit); +module_platform_driver(pcf50633_rtc_driver); MODULE_DESCRIPTION("PCF50633 RTC driver"); MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>"); diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index d420e9d877e8..9f1d6bcbdf6c 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -532,17 +532,7 @@ static struct platform_driver pm8xxx_rtc_driver = { }, }; -static int __init pm8xxx_rtc_init(void) -{ - return platform_driver_register(&pm8xxx_rtc_driver); -} -module_init(pm8xxx_rtc_init); - -static void __exit pm8xxx_rtc_exit(void) -{ - platform_driver_unregister(&pm8xxx_rtc_driver); -} -module_exit(pm8xxx_rtc_exit); +module_platform_driver(pm8xxx_rtc_driver); MODULE_ALIAS("platform:rtc-pm8xxx"); MODULE_DESCRIPTION("PMIC8xxx RTC driver"); diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c index 971bc8e08da6..ce2ca8523ddd 100644 --- a/drivers/rtc/rtc-rs5c348.c +++ b/drivers/rtc/rtc-rs5c348.c @@ -229,7 +229,6 @@ static int __devexit rs5c348_remove(struct spi_device *spi) static struct spi_driver rs5c348_driver = { .driver = { .name = "rtc-rs5c348", - .bus = &spi_bus_type, .owner = THIS_MODULE, }, .probe = rs5c348_probe, diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 175067a17c46..aef40bd2957b 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -673,21 +673,7 @@ static struct platform_driver s3c_rtc_driver = { }, }; -static char __initdata banner[] = "S3C24XX RTC, (c) 2004,2006 Simtec Electronics\n"; - -static int __init s3c_rtc_init(void) -{ - printk(banner); - return platform_driver_register(&s3c_rtc_driver); -} - -static void __exit s3c_rtc_exit(void) -{ - platform_driver_unregister(&s3c_rtc_driver); -} - -module_init(s3c_rtc_init); -module_exit(s3c_rtc_exit); +module_platform_driver(s3c_rtc_driver); MODULE_DESCRIPTION("Samsung S3C RTC Driver"); MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index fc1ffe97fca1..4595d3e645a7 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -435,18 +435,7 @@ static struct platform_driver sa1100_rtc_driver = { }, }; -static int __init sa1100_rtc_init(void) -{ - return platform_driver_register(&sa1100_rtc_driver); -} - -static void __exit sa1100_rtc_exit(void) -{ - platform_driver_unregister(&sa1100_rtc_driver); -} - -module_init(sa1100_rtc_init); -module_exit(sa1100_rtc_exit); +module_platform_driver(sa1100_rtc_driver); MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>"); MODULE_DESCRIPTION("SA11x0/PXA2xx Realtime Clock Driver (RTC)"); diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index 893bac2bb21b..19a28a671a8e 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -516,17 +516,7 @@ static struct platform_driver spear_rtc_driver = { }, }; -static int __init rtc_init(void) -{ - return platform_driver_register(&spear_rtc_driver); -} -module_init(rtc_init); - -static void __exit rtc_exit(void) -{ - platform_driver_unregister(&spear_rtc_driver); -} -module_exit(rtc_exit); +module_platform_driver(spear_rtc_driver); MODULE_ALIAS("platform:rtc-spear"); MODULE_AUTHOR("Rajeev Kumar <rajeev-dlh.kumar@st.com>"); diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c index ed3e9b599031..7621116bd20d 100644 --- a/drivers/rtc/rtc-stk17ta8.c +++ b/drivers/rtc/rtc-stk17ta8.c @@ -370,18 +370,7 @@ static struct platform_driver stk17ta8_rtc_driver = { }, }; -static __init int stk17ta8_init(void) -{ - return platform_driver_register(&stk17ta8_rtc_driver); -} - -static __exit void stk17ta8_exit(void) -{ - platform_driver_unregister(&stk17ta8_rtc_driver); -} - -module_init(stk17ta8_init); -module_exit(stk17ta8_exit); +module_platform_driver(stk17ta8_rtc_driver); MODULE_AUTHOR("Thomas Hommel <thomas.hommel@ge.com>"); MODULE_DESCRIPTION("Simtek STK17TA8 RTC driver"); diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 7315068daa59..10287865e330 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -276,18 +276,7 @@ static struct platform_driver stmp3xxx_rtcdrv = { }, }; -static int __init stmp3xxx_rtc_init(void) -{ - return platform_driver_register(&stmp3xxx_rtcdrv); -} - -static void __exit stmp3xxx_rtc_exit(void) -{ - platform_driver_unregister(&stmp3xxx_rtcdrv); -} - -module_init(stmp3xxx_rtc_init); -module_exit(stmp3xxx_rtc_exit); +module_platform_driver(stmp3xxx_rtcdrv); MODULE_DESCRIPTION("STMP3xxx RTC Driver"); MODULE_AUTHOR("dmitry pervushin <dpervushin@embeddedalley.com> and " diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 20687d55e7a7..d43b4f6eb4e4 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -550,6 +550,11 @@ static int twl_rtc_resume(struct platform_device *pdev) #define twl_rtc_resume NULL #endif +static const struct of_device_id twl_rtc_of_match[] = { + {.compatible = "ti,twl4030-rtc", }, + { }, +}; +MODULE_DEVICE_TABLE(of, twl_rtc_of_match); MODULE_ALIAS("platform:twl_rtc"); static struct platform_driver twl4030rtc_driver = { @@ -559,8 +564,9 @@ static struct platform_driver twl4030rtc_driver = { .suspend = twl_rtc_suspend, .resume = twl_rtc_resume, .driver = { - .owner = THIS_MODULE, - .name = "twl_rtc", + .owner = THIS_MODULE, + .name = "twl_rtc", + .of_match_table = twl_rtc_of_match, }, }; diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c index f71c3ce18036..bca5d677bc85 100644 --- a/drivers/rtc/rtc-v3020.c +++ b/drivers/rtc/rtc-v3020.c @@ -393,18 +393,7 @@ static struct platform_driver rtc_device_driver = { }, }; -static __init int v3020_init(void) -{ - return platform_driver_register(&rtc_device_driver); -} - -static __exit void v3020_exit(void) -{ - platform_driver_unregister(&rtc_device_driver); -} - -module_init(v3020_init); -module_exit(v3020_exit); +module_platform_driver(rtc_device_driver); MODULE_DESCRIPTION("V3020 RTC"); MODULE_AUTHOR("Raphael Assenat"); diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index c5698cda366a..fcbfdda2993b 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -405,15 +405,4 @@ static struct platform_driver rtc_platform_driver = { }, }; -static int __init vr41xx_rtc_init(void) -{ - return platform_driver_register(&rtc_platform_driver); -} - -static void __exit vr41xx_rtc_exit(void) -{ - platform_driver_unregister(&rtc_platform_driver); -} - -module_init(vr41xx_rtc_init); -module_exit(vr41xx_rtc_exit); +module_platform_driver(rtc_platform_driver); diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index f93f412423c6..9e94fb147c26 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -311,17 +311,7 @@ static struct platform_driver vt8500_rtc_driver = { }, }; -static int __init vt8500_rtc_init(void) -{ - return platform_driver_register(&vt8500_rtc_driver); -} -module_init(vt8500_rtc_init); - -static void __exit vt8500_rtc_exit(void) -{ - platform_driver_unregister(&vt8500_rtc_driver); -} -module_exit(vt8500_rtc_exit); +module_platform_driver(vt8500_rtc_driver); MODULE_AUTHOR("Alexey Charkov <alchark@gmail.com>"); MODULE_DESCRIPTION("VIA VT8500 SoC Realtime Clock Driver (RTC)"); diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c index bdc909bd56da..3b6e6a67e765 100644 --- a/drivers/rtc/rtc-wm831x.c +++ b/drivers/rtc/rtc-wm831x.c @@ -324,15 +324,6 @@ static irqreturn_t wm831x_alm_irq(int irq, void *data) return IRQ_HANDLED; } -static irqreturn_t wm831x_per_irq(int irq, void *data) -{ - struct wm831x_rtc *wm831x_rtc = data; - - rtc_update_irq(wm831x_rtc->rtc, 1, RTC_IRQF | RTC_UF); - - return IRQ_HANDLED; -} - static const struct rtc_class_ops wm831x_rtc_ops = { .read_time = wm831x_rtc_readtime, .set_mmss = wm831x_rtc_set_mmss, @@ -405,11 +396,10 @@ static int wm831x_rtc_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); struct wm831x_rtc *wm831x_rtc; - int per_irq = platform_get_irq_byname(pdev, "PER"); int alm_irq = platform_get_irq_byname(pdev, "ALM"); int ret = 0; - wm831x_rtc = kzalloc(sizeof(*wm831x_rtc), GFP_KERNEL); + wm831x_rtc = devm_kzalloc(&pdev->dev, sizeof(*wm831x_rtc), GFP_KERNEL); if (wm831x_rtc == NULL) return -ENOMEM; @@ -433,14 +423,6 @@ static int wm831x_rtc_probe(struct platform_device *pdev) goto err; } - ret = request_threaded_irq(per_irq, NULL, wm831x_per_irq, - IRQF_TRIGGER_RISING, "RTC period", - wm831x_rtc); - if (ret != 0) { - dev_err(&pdev->dev, "Failed to request periodic IRQ %d: %d\n", - per_irq, ret); - } - ret = request_threaded_irq(alm_irq, NULL, wm831x_alm_irq, IRQF_TRIGGER_RISING, "RTC alarm", wm831x_rtc); @@ -452,20 +434,16 @@ static int wm831x_rtc_probe(struct platform_device *pdev) return 0; err: - kfree(wm831x_rtc); return ret; } static int __devexit wm831x_rtc_remove(struct platform_device *pdev) { struct wm831x_rtc *wm831x_rtc = platform_get_drvdata(pdev); - int per_irq = platform_get_irq_byname(pdev, "PER"); int alm_irq = platform_get_irq_byname(pdev, "ALM"); free_irq(alm_irq, wm831x_rtc); - free_irq(per_irq, wm831x_rtc); rtc_device_unregister(wm831x_rtc->rtc); - kfree(wm831x_rtc); return 0; } @@ -490,17 +468,7 @@ static struct platform_driver wm831x_rtc_driver = { }, }; -static int __init wm831x_rtc_init(void) -{ - return platform_driver_register(&wm831x_rtc_driver); -} -module_init(wm831x_rtc_init); - -static void __exit wm831x_rtc_exit(void) -{ - platform_driver_unregister(&wm831x_rtc_driver); -} -module_exit(wm831x_rtc_exit); +module_platform_driver(wm831x_rtc_driver); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_DESCRIPTION("RTC driver for the WM831x series PMICs"); diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c index 66421426e404..c2e52d15abb2 100644 --- a/drivers/rtc/rtc-wm8350.c +++ b/drivers/rtc/rtc-wm8350.c @@ -486,17 +486,7 @@ static struct platform_driver wm8350_rtc_driver = { }, }; -static int __init wm8350_rtc_init(void) -{ - return platform_driver_register(&wm8350_rtc_driver); -} -module_init(wm8350_rtc_init); - -static void __exit wm8350_rtc_exit(void) -{ - platform_driver_unregister(&wm8350_rtc_driver); -} -module_exit(wm8350_rtc_exit); +module_platform_driver(wm8350_rtc_driver); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_DESCRIPTION("RTC driver for the WM8350"); |