Lokesh Vutla
9c28bd07c2
drivers/rtc/rtc-omap.c: unlock and lock rtc registers before and after register writes
...
RTC module contains a kicker mechanism to prevent any spurious writes from
changing the register values. This mechanism requires two MMR writes to
the KICK0 and KICK1 registers with exact data values before the kicker
lock mechanism is released.
Currently the driver release the lock in the probe and leaves it enabled
until the rtc driver removal. This eliminates the idea of preventing
spurious writes when RTC driver is loaded. So implement rtc lock and
unlock functions before and after register writes.
This is as advised by Paul to implement lock and unlock functions in the
driver and not to unlock and leave it in probe. The same discussion can
be seen here:
http://www.mail-archive.com/linux-omap%40vger.kernel.org/msg111588.html
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-17 09:04:02 -04:00
..
class.c
drivers/rtc/class.c: initialize rtc name early
2015-04-17 09:04:01 -04:00
hctosys.c
rtc: hctosys: use function name in the error log
2015-04-17 09:04:01 -04:00
interface.c
drivers/rtc/interface.c: __rtc_read_time: reduce log level
2015-04-17 09:04:01 -04:00
Kconfig
rtc: driver for Conexant Digicolor CX92755 on-chip RTC
2015-04-17 09:04:01 -04:00
Makefile
rtc: driver for Conexant Digicolor CX92755 on-chip RTC
2015-04-17 09:04:01 -04:00
rtc-88pm80x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-88pm860x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ab-b5ze-s3.c
drivers/rtc/rtc-ab-b5ze-s3.c: constify struct regmap_config
2015-04-17 09:04:00 -04:00
rtc-ab3100.c
drivers/rtc/ab3100: Update driver to address y2038/y2106 issues
2015-04-03 08:18:25 +02:00
rtc-ab8500.c
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
rtc-armada38x.c
drivers/rtc/rtc-armada38x: add a new RTC driver for recent mvebu SoCs
2015-02-13 21:21:43 -08:00
rtc-as3722.c
rtc-at32ap700x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-at91rm9200.c
rtc: at91rm9200: double locking bug in at91_rtc_interrupt()
2015-03-18 01:58:16 +01:00
rtc-at91rm9200.h
rtc-at91sam9.c
rtc: at91sam9: rework wakeup and interrupt handling
2015-03-04 22:10:59 +01:00
rtc-au1xxx.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-bfin.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-bq32k.c
drivers/rtc/rtc-bq32k.c: fix register value
2014-10-29 16:33:14 -07:00
rtc-bq4802.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-cmos.c
rtc: remove use of seq_printf return value
2015-04-15 16:35:24 -07:00
rtc-coh901331.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-core.h
rtc-da9052.c
drivers/rtc/rtc-da9052.c: register ability of alarm to wake device from suspend
2015-04-17 09:04:00 -04:00
rtc-da9055.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-da9063.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-davinci.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-dev.c
rtc: Update rtc-dev to use y2038-safe time interfaces
2015-01-23 17:21:56 -08:00
rtc-digicolor.c
rtc: driver for Conexant Digicolor CX92755 on-chip RTC
2015-04-17 09:04:01 -04:00
rtc-dm355evm.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1216.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1286.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1302.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1305.c
rtc: remove use of seq_printf return value
2015-04-15 16:35:24 -07:00
rtc-ds1307.c
rtc: ds1307: add support for mcp7940x chips
2014-12-10 17:41:15 -08:00
rtc-ds1343.c
rtc-ds1347.c
rtc-ds1374.c
drivers/rtc/rtc-ds1374.c: add watchdog support
2014-12-10 17:41:15 -08:00
rtc-ds1390.c
rtc-ds1511.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1553.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1672.c
rtc-ds1685.c
drivers/rtc/rtc-ds1685.c: fix sparse warnings
2015-04-17 09:04:00 -04:00
rtc-ds1742.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds2404.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds3232.c
rtc-ds3234.c
rtc-efi-platform.c
rtc-efi.c
* Move efivarfs from the misc filesystem section to pseudo filesystem,
2015-01-29 19:16:40 +01:00
rtc-em3027.c
drivers/rtc/rtc-em3027.c: add device tree support
2015-04-17 09:03:59 -04:00
rtc-ep93xx.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-fm3130.c
rtc-generic.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-hid-sensor-time.c
HID: hid-sensor-hub: Extend API for async reads
2015-02-23 15:16:37 +01:00
rtc-hym8563.c
drivers/rtc/rtc-hym8563.c: return clock rate even when clock is disabled
2015-04-17 09:04:01 -04:00
rtc-imxdi.c
drivers/rtc/rtc-imxdi.c: add more known register bits
2015-02-13 21:21:43 -08:00
rtc-isl1208.c
rtc-isl12022.c
rtc: isl12022: deprecate use of isl in compatible string for isil
2015-02-16 17:56:02 -08:00
rtc-isl12057.c
rtc: isl12057: deprecate use of isl in compatible string for isil
2015-02-16 17:56:02 -08:00
rtc-jz4740.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-lib.c
rtc/lib: Provide y2038 safe rtc_tm_to_time()/rtc_time_to_tm() replacement
2014-11-21 12:00:00 -08:00
rtc-lp8788.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-lpc32xx.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ls1x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-m41t80.c
rtc-m41t93.c
rtc-m41t94.c
rtc-m48t35.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-m48t59.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-m48t86.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max6900.c
rtc-max6902.c
rtc-max8907.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max8925.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max8997.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max8998.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max77686.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max77802.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-mc13xxx.c
drivers/rtc/mc13xxx: Update driver to address y2038/y2106 issues
2015-04-03 08:18:26 +02:00
rtc-mcp795.c
rtc-moxart.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-mpc5121.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-mrst.c
rtc: remove use of seq_printf return value
2015-04-15 16:35:24 -07:00
rtc-msm6242.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-mv.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-mxc.c
drivers/rtc/mxc: Update driver to address y2038/y2106 issues
2015-04-03 08:18:29 +02:00
rtc-nuc900.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-omap.c
drivers/rtc/rtc-omap.c: unlock and lock rtc registers before and after register writes
2015-04-17 09:04:02 -04:00
rtc-opal.c
rtc/tpo: Driver to support rtc and wakeup on PowerNV platform
2014-11-17 18:04:01 +11:00
rtc-palmas.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-pcap.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-pcf2123.c
drivers/rtc/rtc-pcf2123.c: add support for devicetree
2015-02-13 21:21:42 -08:00
rtc-pcf2127.c
rtc-pcf8523.c
rtc-pcf8563.c
drivers/rtc/rtc-pcf8563.c: simplify return from function
2015-04-17 09:03:59 -04:00
rtc-pcf8583.c
rtc: use c99 initializers in structures
2014-10-14 02:18:17 +02:00
rtc-pcf50633.c
rtc-pcf85063.c
rtc-pl030.c
rtc-pl031.c
rtc-pm8xxx.c
Merge branch 'platform/remove_owner' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
2014-11-03 19:53:56 -08:00
rtc-proc.c
rtc-ps3.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-puv3.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-pxa.c
rtc-r9701.c
rtc-rc5t583.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-rk808.c
drivers/rtc/rtc-rk808.c: fix rtc time reading issue
2015-02-13 21:21:43 -08:00
rtc-rp5c01.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-rs5c313.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-rs5c348.c
rtc-rs5c372.c
drivers/rtc/rtc-rs5c372.c: use %*ph to dump small buffers
2014-10-14 02:18:19 +02:00
rtc-rv3029c2.c
rtc-rx4581.c
rtc-rx8025.c
rtc-rx8581.c
rtc-s3c.c
drivers/rtc/rtc-s3c.c: fix failed first read of RTC time
2015-04-17 09:04:02 -04:00
rtc-s3c.h
rtc-s5m.c
drivers/rtc/rtc-s5m.c: add support for S2MPS13 RTC
2015-04-17 09:04:01 -04:00
rtc-s35390a.c
rtc-sa1100.c
rtc-sh.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-sirfsoc.c
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
rtc-snvs.c
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
rtc-spear.c
rtc-starfire.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-stk17ta8.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-stmp3xxx.c
rtc: stmp3xxx: use optional crystal in low power states
2015-04-17 09:03:59 -04:00
rtc-sun4v.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-sun6i.c
rtc: sun6i: Add sun6i RTC driver
2014-09-19 12:39:19 +02:00
rtc-sunxi.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-sysfs.c
rtc-tegra.c
rtc: remove use of seq_printf return value
2015-04-15 16:35:24 -07:00
rtc-test.c
drivers/rtc/test: Update driver to address y2038/y2106 issues
2015-04-03 08:18:24 +02:00
rtc-tile.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps6586x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps65910.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps80031.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-twl.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tx4939.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-v3020.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-vr41xx.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-vt8500.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-wm831x.c
rtc-wm8350.c
rtc-x1205.c
drivers/rtc/rtc-x1205.c: use sign_extend32() for sign extension
2015-04-17 09:03:59 -04:00
rtc-xgene.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
systohc.c
drivers/rtc: Provide y2038 safe rtc_class_ops.set_mmss() replacement
2015-04-03 08:18:24 +02:00