From 10d065e65b0be33e868f9c6da67026b5111480d8 Mon Sep 17 00:00:00 2001 From: Robert Marklund Date: Tue, 10 Jan 2012 15:10:35 -0800 Subject: rtc/ab8500: don't disable IRQ:s when suspending We want this driver to be able to wake up the system. Signed-off-by: Robert Marklund Signed-off-by: Linus Walleij Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ab8500.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/rtc/rtc-ab8500.c') diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index e346705aae9..d6bfc4f3658 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -316,8 +316,8 @@ 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; -- cgit v1.2.3 From b62581e6241c33b9fef45117f86830058738371f Mon Sep 17 00:00:00 2001 From: Andrew Lynn Date: Tue, 10 Jan 2012 15:10:38 -0800 Subject: rtc/ab8500: set can_wake flag Set can_wake flag so wakealarm property is visible in sysfs. Signed-off-by: Andrew Lynn Reviewed-by: Jonas ABERG Signed-off-by: Linus Walleij Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ab8500.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/rtc/rtc-ab8500.c') diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index d6bfc4f3658..82a348095a7 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -308,6 +308,8 @@ 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)) { -- cgit v1.2.3 From 012e52e15e7ebbc7b08165e8f4b10f71a3e6810b Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 10 Jan 2012 15:10:41 -0800 Subject: drivers/rtc/rtc-ab8500.c: change msleep() to usleep_range() The resolution of msleep is related to HZ, so with HZ set to 100 any msleep of less than 10ms will become ~10ms. This is not what we want. Use the hrtimer-based usleep_range() and allow for some slack in the non-critical path so we have more control of what is happening here. Signed-off-by: Linus Walleij Cc: Jonas Aaberg Cc: Alessandro Zummo Cc: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ab8500.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/rtc/rtc-ab8500.c') diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index 82a348095a7..919b2e5cb7f 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); } } @@ -295,7 +295,7 @@ 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); -- cgit v1.2.3 From dda367ac064d7473d397b1965019fb3be7cfb6b0 Mon Sep 17 00:00:00 2001 From: Mark Godfrey Date: Tue, 10 Jan 2012 15:10:42 -0800 Subject: rtc/ab8500: add calibration attribute to AB8500 RTC The rtc_calibration attribute allows user-space to get and set the AB8500's RtcCalibration register. The AB8500 will then use the value in this register to compensate for RTC drift every 60 seconds. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Mark Godfrey Signed-off-by: Linus Walleij Acked-by: Jean-Christophe PLAGNIOL-VILLARD Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- .../sysfs-class-rtc-rtc0-device-rtc_calibration | 12 +++ drivers/rtc/rtc-ab8500.c | 112 +++++++++++++++++++++ 2 files changed, 124 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration (limited to 'drivers/rtc/rtc-ab8500.c') diff --git a/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration b/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration new file mode 100644 index 00000000000..4cf1e72222d --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration @@ -0,0 +1,12 @@ +What: Attribute for calibrating ST-Ericsson AB8500 Real Time Clock +Date: Oct 2011 +KernelVersion: 3.0 +Contact: Mark Godfrey +Description: The rtc_calibration attribute allows the userspace to + calibrate the AB8500.s 32KHz Real Time Clock. + Every 60 seconds the AB8500 will correct the RTC's value + by adding to it the value of this attribute. + The range of the attribute is -127 to +127 in units of + 30.5 micro-seconds (half-parts-per-million of the 32KHz clock) +Users: The /vendor/st-ericsson/base_utilities/core/rtc_calibration + daemon uses this interface. diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index 919b2e5cb7f..df7bfc304c5 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -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; @@ -327,6 +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; } @@ -335,6 +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); -- cgit v1.2.3 From 0c4eae66591a292fee70051ea363a8d27aa54102 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 10 Jan 2012 15:10:48 -0800 Subject: rtc: convert drivers/rtc/* to use module_platform_driver() This patch converts the drivers in drivers/rtc/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Signed-off-by: Axel Lin Acked-by: Mark Brown Acked-by: Mike Frysinger Acked-by: Guan Xuetao Acked-by: Linus Walleij Acked-by: Haojian Zhuang Cc: Alessandro Zummo Cc: Srinidhi Kasagar Cc: Lars-Peter Clausen Cc: Ben Dooks Cc: John Stultz Acked-by: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-88pm860x.c | 12 +----------- drivers/rtc/rtc-ab8500.c | 12 +----------- drivers/rtc/rtc-bfin.c | 13 +------------ drivers/rtc/rtc-bq4802.c | 13 +------------ drivers/rtc/rtc-dm355evm.c | 12 +----------- drivers/rtc/rtc-ds1286.c | 13 +------------ drivers/rtc/rtc-ds1511.c | 15 +-------------- drivers/rtc/rtc-ds1553.c | 13 +------------ drivers/rtc/rtc-ds1742.c | 13 +------------ drivers/rtc/rtc-jz4740.c | 12 +----------- drivers/rtc/rtc-lpc32xx.c | 12 +----------- drivers/rtc/rtc-m48t35.c | 13 +------------ drivers/rtc/rtc-m48t59.c | 13 +------------ drivers/rtc/rtc-m48t86.c | 13 +------------ drivers/rtc/rtc-max8925.c | 12 +----------- drivers/rtc/rtc-max8998.c | 12 +----------- drivers/rtc/rtc-mpc5121.c | 12 +----------- drivers/rtc/rtc-mrst.c | 13 +------------ drivers/rtc/rtc-pcf50633.c | 12 +----------- drivers/rtc/rtc-pm8xxx.c | 12 +----------- drivers/rtc/rtc-s3c.c | 16 +--------------- drivers/rtc/rtc-sa1100.c | 13 +------------ drivers/rtc/rtc-spear.c | 12 +----------- drivers/rtc/rtc-stk17ta8.c | 13 +------------ drivers/rtc/rtc-stmp3xxx.c | 13 +------------ drivers/rtc/rtc-v3020.c | 13 +------------ drivers/rtc/rtc-vr41xx.c | 13 +------------ drivers/rtc/rtc-vt8500.c | 12 +----------- drivers/rtc/rtc-wm831x.c | 12 +----------- drivers/rtc/rtc-wm8350.c | 12 +----------- 30 files changed, 30 insertions(+), 351 deletions(-) (limited to 'drivers/rtc/rtc-ab8500.c') diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index 64b847b7f97..f04761e6622 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 "); diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index df7bfc304c5..a0a9810adf0 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -463,18 +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 "); MODULE_DESCRIPTION("AB8500 RTC Driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index 90d866272c8..abfc1a0c07d 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 "); diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c index 128270ce355..bf612ef2294 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-dm355evm.c b/drivers/rtc/rtc-dm355evm.c index 2322c43af20..d4457afcba8 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 68e6caf2549..990c3ff489b 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 "); 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 586c244a05d..761f36bc83a 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 "); MODULE_DESCRIPTION("Dallas DS1511 RTC driver"); diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index 1350029044e..6f0a1b530f2 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 "); MODULE_DESCRIPTION("Dallas DS1553 RTC driver"); diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index e3e0f92b60f..76112667c50 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 "); MODULE_DESCRIPTION("Dallas DS1742 RTC driver"); diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c index b6473631d18..1481e362773 100644 --- a/drivers/rtc/rtc-jz4740.c +++ b/drivers/rtc/rtc-jz4740.c @@ -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 "); MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c index ae16250c762..ecc1713b2b4 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 "); 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 28365388fb6..30ebfec9fd2 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 "); MODULE_DESCRIPTION("M48T59/M48T02/M48T08 RTC driver"); diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c index f981287d582..863fb3363aa 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 "); 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-max8925.c b/drivers/rtc/rtc-max8925.c index 3bc046f427e..4a5529346b4 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 "); diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c index 2e48aa60427..7196f438c08 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 "); MODULE_AUTHOR("Joonyoung Shim "); diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index da60915818b..9d3caccfc25 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 "); diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c index bb21f443fb7..6cd6c723534 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-pcf50633.c b/drivers/rtc/rtc-pcf50633.c index 0c423892923..a20202f9ee5 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 "); diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index d420e9d877e..9f1d6bcbdf6 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-s3c.c b/drivers/rtc/rtc-s3c.c index 175067a17c4..aef40bd2957 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 "); diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index fc1ffe97fca..4595d3e645a 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 "); MODULE_DESCRIPTION("SA11x0/PXA2xx Realtime Clock Driver (RTC)"); diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index 893bac2bb21..19a28a671a8 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 "); diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c index ed3e9b59903..7621116bd20 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 "); MODULE_DESCRIPTION("Simtek STK17TA8 RTC driver"); diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 7315068daa5..10287865e33 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 and " diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c index f71c3ce1803..bca5d677bc8 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 c5698cda366..fcbfdda2993 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 f93f412423c..9e94fb147c2 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 "); MODULE_DESCRIPTION("VIA VT8500 SoC Realtime Clock Driver (RTC)"); diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c index 657c6f67b28..3b6e6a67e76 100644 --- a/drivers/rtc/rtc-wm831x.c +++ b/drivers/rtc/rtc-wm831x.c @@ -468,17 +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 "); MODULE_DESCRIPTION("RTC driver for the WM831x series PMICs"); diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c index 66421426e40..c2e52d15abb 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 "); MODULE_DESCRIPTION("RTC driver for the WM8350"); 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