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There is no possible for platform_get_irq() to return 0,
and the return value of platform_get_irq() is more sensible
to show the error reason.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230731122246.2028651-1-ruanjinjie@huawei.com

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>