https://github.com/torvalds/linux
When Intersil ISL12057 support was added by commit 70e123373c05 ("rtc: Add support for Intersil ISL12057 I2C RTC chip"), two masks for time registers values imported from the device were either wrong or omitted, leading to additional bits from those registers to impact read values: - mask for hour register value when reading it in AM/PM mode. As AM/PM mode is not the usual mode used by the driver, this error would only have an impact on an externally configured RTC hour later read by the driver. - mask for month value. The lack of masking would provide an erroneous value if century bit is set. This patch fixes those two masks. Fixes: 70e123373c05 ("rtc: Add support for Intersil ISL12057 I2C RTC chip") Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Peter Huewe <peter.huewe@infineon.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Thierry Reding <treding@nvidia.com> Cc: Mark Brown <broonie@kernel.org> Cc: Grant Likely <grant.likely@linaro.org> Acked-by: Uwe Kleine-König <uwe@kleine-koenig.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/rtc/rtc-isl12057.c: fix masking of register values
File | Mode | Size |
---|---|---|
acpi | ||
asm-generic | ||
clocksource | ||
crypto | ||
drm | ||
dt-bindings | ||
keys | ||
kvm | ||
linux | ||
math-emu | ||
media | ||
memory | ||
misc | ||
net | ||
pcmcia | ||
ras | ||
rdma | ||
rxrpc | ||
scsi | ||
soc | ||
sound | ||
target | ||
trace | ||
uapi | ||
video | ||
xen | ||
Kbuild | -rw-r--r-- | 83 bytes |
Computing file changes ...