rtc: pcf2127: only use watchdog when explicitly available

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Most boards using the pcf2127 chip (in my bubble) don't make use of the
watchdog functionality and the respective output is not connected. The
effect on such a board is that there is a watchdog device provided that
doesn't work.

So only register the watchdog if the device tree has a "reset-source"
property.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[RV: s/has-watchdog/reset-source/]
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201218101054.25416-3-rasmus.villemoes@prevas.dk

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Uwe Kleine-König 2020-12-18 11:10:54 +01:00 • committed by Alexandre Belloni

parent 320d159e2d

commit 71ac13457d

1 changed files with 2 additions and 1 deletions

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drivers/rtc/rtc-pcf2127.c

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