watchdog: aspeed: Propagate errors from optional IRQ lookup

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platform_get_irq_optional() returns a positive IRQ number on success or
a negative error code on failure. For an optional IRQ, -ENXIO indicates
that no IRQ is available, while other errors should be propagated.

Propagate errors such as -EPROBE_DEFER and -EINVAL instead of continuing
probe without the IRQ.

Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://lore.kernel.org/r/20260807081652.38692-4-phucduc.bui@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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bui duc phuc 2026-08-07 15:16:52 +07:00 • committed by Guenter Roeck

parent 553edb793e

commit 1f3c3fa76d

1 changed files with 2 additions and 0 deletions

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drivers/watchdog/aspeed_wdt.c

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