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path: root/drivers/rtc/rtc-rs5c313.c
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2022-12-15rtc: rs5c313: correct some spelling mistakesZhang Jiaming1-3/+3
Change 'modifed' to 'modified'. Change 'Updata' to 'Update'. Change 'Initiatlize' to 'Initialize'. Signed-off-by: Zhang Jiaming <jiaming@nfschina.com> Link: https://lore.kernel.org/r/20220622085344.23519-1-jiaming@nfschina.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2020-08-21rtc: rtc-rs5c313: Convert to module_platform_driver()Geert Uytterhoeven1-12/+1
Reduce boilerplate by using the module_platform_driver() helper. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200814110731.29029-4-geert+renesas@glider.be
2020-08-21rtc: rtc-rs5c313: Fix late hardware initGeert Uytterhoeven1-12/+8
rs5c313_rtc_init() calls platform_driver_register(), and initializes the hardware. This is wrong because of two reasons: 1. As soon as the driver has been registered, the device may be probed. If devm_rtc_device_register() is called before hardware initialization, reading the current time will fail: rs5c313 rs5c313: rs5c313_rtc_read_time: timeout error rs5c313 rs5c313: registered as rtc0 rs5c313 rs5c313: rs5c313_rtc_read_time: timeout error rs5c313 rs5c313: hctosys: unable to read the hardware clock 2. If the platform device does not exist, the driver will still write to a hardware device that may not be present. Fix this by moving the hardware initialization sequence to the driver's .probe() method. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200814110731.29029-3-geert+renesas@glider.be
2020-08-21rtc: rtc-rs5c313: Drop obsolete platform_set_drvdata() callGeert Uytterhoeven1-6/+1
Commit 284e2fa1da00a998 ("rtc: rtc-rs5c313: use devm_rtc_device_register()"), removed the last user of the driver-specific data. Hence there is no longer a need to set it. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200814110731.29029-2-geert+renesas@glider.be
2016-05-20rtc: remove useless DRV_VERSIONAlexandre Belloni1-2/+0
Many drivers are defining a DRV_VERSION. This is often only used for MODULE_VERSION and sometimes to print an info message at probe time. This is kind of pointless as they are all versionned with the kernel anyway. Also the core will print a message when a new rtc is found. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2014-10-20rtc: drop owner assignment from platform_driversWolfram Sang1-1/+0
A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-07-03drivers/rtc/rtc-rs5c313.c: remove empty functionSachin Kamat1-6/+0
After the switch to devm_* functions and the removal of rtc_device_unregister(), the 'remove' function does not do anything. Delete it. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03drivers/rtc/rtc-rs5c313.c: fix spacing related issuesSachin Kamat1-8/+8
Fixes the following types of checkpatch issues: WARNING: please, no space before tabs ERROR: space prohibited after that open parenthesis '(' ERROR: space prohibited before that close parenthesis ')' ERROR: need consistent spacing around '>>' (ctx:VxW) Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03drivers/rtc/rtc-rs5c313.c: include <linux/io.h> instead of <asm/io.h>Sachin Kamat1-1/+1
Use #include <linux/io.h> instead of <asm/io.h> as pointed out by checkpatch. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-29rtc: rtc-rs5c313: use devm_rtc_device_register()Jingoo Han1-5/+1
devm_rtc_device_register() is device managed and makes cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-21rtc: rtc-rs5c313: use pr_err() instead of printk()Jingoo Han1-2/+3
Fix the checkpatch warning as below: WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(... to printk(KERN_ERR ... Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-03Drivers: rtc: remove __dev* attributes.Greg Kroah-Hartman1-2/+2
CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Mike Frysinger <vapier.adi@gmail.com> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2010-10-27rtc: rtc-rs5c313: ctrl_in/outX to __raw_read/writeX conversion.Paul Mundt1-17/+17
The ctrl_xxx routines are deprecated, switch over to the __raw_xxx versions. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-10-20drivers/rtc/: use bcd2bin/bin2bcdAdrian Bunk1-14/+14
Change drivers/rtc/ to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-28rtc: replace remaining __FUNCTION__ occurrencesHarvey Harrison1-2/+2
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-11rtc: fix platform driver hotplug/coldplugKay Sievers1-0/+1
Since 43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable RTC platform drivers, to re-enable module auto loading. [dbrownell@users.sourceforge.net: more drivers, minor fix] Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Greg KH <greg@kroah.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-11rtc-rs5c313.c: add error handling to avoid hardware hangupkogiidena1-1/+18
Add error processing. Hanging up by an infinite loop is evaded. Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-11rtc-rs5c313.c: rtc_time value are fixedkogiidena1-1/+2
Correct an initial value of suruct rtc_ time. Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-11rtc-rs5c313.c: error and warning are fixedkogiidena1-3/+3
Correct a compile error and warning. Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08RTC: add rtc-rs5c313 driverNobuhiro Iwamatsu1-0/+405
Add an RTC driver for Ricoh RS5C313 RTC chip. [akpm@linux-foundation.org: Zillions of coding-style fixes] [akpm@linux-foundation.org: build fixes] Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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