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a9a939cb34dfffb9f43b988a681d2566ca157b74
linux_media/drivers/rtc
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Thomas Gleixner ebb22a0594 rtc: mc146818: Dont test for bit 0-5 in Register D 
The recent change to validate the RTC turned out to be overly tight.

While it cures the problem on the reporters machine it breaks machines
with Intel chipsets which use bit 0-5 of the D register. So check only
for bit 6 being 0 which is the case on these Intel machines as well.

Fixes: 211e5db19d ("rtc: mc146818: Detect and handle broken RTCs")
Reported-by: Serge Belyshev <belyshev@depni.sinp.msu.ru>
Reported-by: Dirk Gouders <dirk@gouders.net>
Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Dirk Gouders <dirk@gouders.net>
Tested-by: Len Brown <len.brown@intel.com>
Tested-by: Borislav Petkov <bp@suse.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/87zh0nbnha.fsf@nanos.tec.linutronix.de
2021-02-02 20:35:02 +01:00
..
class.c
Merge tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2020-12-20 10:12:06 -08:00
dev.c
…
interface.c
rtc: interface: fix kerneldoc comments
2019-11-27 09:31:08 +01:00
Kconfig
rtc: mxc{,_v2}: enable COMPILE_TEST
2020-12-03 23:42:36 +01:00
lib.c
…
Makefile
ntp, rtc: Move rtc_set_ntp_time() to ntp code
2020-12-11 10:40:52 +01:00
nvmem.c
rtc: nvmem: emit an error message when nvmem registration fails
2020-11-19 12:50:12 +01:00
proc.c
…
rtc-88pm80x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-88pm860x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab3100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab8500.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab-b5ze-s3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab-eoz9.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-abx80x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ac100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-armada38x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-as3722.c
…
rtc-asm9260.c
rtc: asm9260: add the missed check for devm_clk_get
2019-12-23 11:16:23 +01:00
rtc-aspeed.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-at91rm9200.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-at91sam9.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-au1xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-bd70528.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-bq32k.c
rtc: Replace HTTP links with HTTPS ones
2020-07-16 11:17:52 +02:00
rtc-bq4802.c
…
rtc-brcmstb-waketimer.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cadence.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cmos.c
rtc: mc146818: Dont test for bit 0-5 in Register D
2021-02-02 20:35:02 +01:00
rtc-coh901331.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-core.h
…
rtc-cpcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cros-ec.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9052.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9055.c
…
rtc-da9063.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-davinci.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-digicolor.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-dm355evm.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1216.c
…
rtc-ds1286.c
…
rtc-ds1302.c
rtc: ds1302: Remove unused DRV_NAME
2019-11-15 11:58:14 +01:00
rtc-ds1305.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1307.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1343.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1347.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1374.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1390.c
…
rtc-ds1511.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1553.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1672.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1685.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1742.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds2404.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds3232.c
rtc: add devm_ prefix to rtc_nvmem_register()
2020-11-19 12:50:11 +01:00
rtc-efi.c
…
rtc-em3027.c
rtc: em3027: correct month value
2019-11-08 16:14:09 +01:00
rtc-ep93xx.c
rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time
2020-12-03 23:49:31 +01:00
rtc-fm3130.c
…
rtc-fsl-ftm-alarm.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ftrtc010.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-generic.c
…
rtc-goldfish.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-hid-sensor-time.c
…
rtc-hym8563.c
rtc: hym8563: enable wakeup when applicable
2020-11-14 23:36:10 +01:00
rtc-imx-sc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-imxdi.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-isl1208.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-isl12022.c
…
rtc-isl12026.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-jz4740.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-lp8788.c
…
rtc-lpc24xx.c
rtc: remove unnecessary error message after platform_get_irq
2020-04-15 09:56:17 +02:00
rtc-lpc32xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ls1x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m41t80.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m41t93.c
…
rtc-m41t94.c
…
rtc-m48t35.c
rtc: m48t35: remove SGI-IP27 kludge
2020-03-16 11:12:11 +01:00
rtc-m48t59.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m48t86.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-max6900.c
…
rtc-max6902.c
…
rtc-max6916.c
…
rtc-max8907.c
…
rtc-max8925.c
…
rtc-max8997.c
…
rtc-max8998.c
…
rtc-max77686.c
rtc: max77686: Fix wake-ups for max77620
2020-08-07 23:29:47 +02:00
rtc-mc13xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mc146818-lib.c
rtc: mc146818: Dont test for bit 0-5 in Register D
2021-02-02 20:35:02 +01:00
rtc-mcp795.c
rtc: Replace HTTP links with HTTPS ones
2020-07-16 11:17:52 +02:00
rtc-meson-vrtc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-meson.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-moxart.c
rtc: moxart: Convert to SPDX identifier
2019-12-23 11:23:49 +01:00
rtc-mpc5121.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mrst.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-msm6242.c
rtc: msm6242: Remove unneeded msm6242_set()/msm6242_clear() functions
2019-11-18 15:23:54 +01:00
rtc-mt2712.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mt6397.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mt7622.c
…
rtc-mv.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mxc_v2.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mxc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-omap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-opal.c
…
rtc-palmas.c
…
rtc-pcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf2123.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf2127.c
rtc: pcf2127: only use watchdog when explicitly available
2020-12-19 01:57:44 +01:00
rtc-pcf8523.c
rtc: pcf8523: use BIT
2020-11-19 12:52:25 +01:00
rtc-pcf8563.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf8583.c
…
rtc-pcf50633.c
…
rtc-pcf85063.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf85363.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pic32.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pl030.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pl031.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pm8xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ps3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pxa.c
…
rtc-r7301.c
…
rtc-r9701.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rc5t583.c
…
rtc-rc5t619.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rk808.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rp5c01.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c313.c
rtc: rtc-rs5c313: Convert to module_platform_driver()
2020-08-21 00:13:44 +02:00
rtc-rs5c348.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c372.c
…
rtc-rtd119x.c
…
rtc-rv3028.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rv3029c2.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rv3032.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rv8803.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rx4581.c
…
rtc-rx6110.c
rtc: rx6110: add i2c support
2020-11-17 20:30:30 +01:00
rtc-rx8010.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rx8025.c
rtc: rx8025: Remove struct i2c_client from struct rx8025_data
2019-12-23 11:22:21 +01:00
rtc-rx8581.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-s3c.c
rtc: s3c: Remove dead code related to periodic tick handling
2020-12-03 23:51:30 +01:00
rtc-s3c.h
…
rtc-s5m.c
…
rtc-s35390a.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sa1100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sa1100.h
…
rtc-sc27xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sd3078.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sh.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sirfsoc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-snvs.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-spear.c
…
rtc-st-lpc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-starfire.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-stk17ta8.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-stm32.c
rtc: stm32: add missed clk_disable_unprepare in error path of resume
2019-12-10 14:29:23 +01:00
rtc-stmp3xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun4v.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun6i.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sunxi.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tegra.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-test.c
rtc: test: remove debug message
2020-12-03 23:43:23 +01:00
rtc-tps6586x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tps65910.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tps80031.c
…
rtc-twl.c
…
rtc-tx4939.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-v3020.c
rtc: v3020: remove set but unused variable
2019-11-27 09:31:13 +01:00
rtc-vr41xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-vt8500.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wilco-ec.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wm831x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wm8350.c
…
rtc-x1205.c
…
rtc-xgene.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-zynqmp.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
sysfs.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00