watchdog: rti-wdt: attach to running watchdog during probe

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If the RTI watchdog is running already during probe, the driver must
configure itself to match the HW. Window size and timeout is probed from
hardware, and the last keepalive ping is adjusted to match it also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200717132958.14304-4-t-kristo@ti.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

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Tero Kristo 2020-07-17 16:29:57 +03:00 • committed by Wim Van Sebroeck

parent cef9572e9a

commit 5527483f8f

1 changed files with 102 additions and 10 deletions

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drivers/watchdog/rti_wdt.c

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