On Sat, Jun 27, 2026 at 12:02:29AM +0800, Felix Gu wrote: > wait_event_interruptible_timeout() can return a negative error code when > interrupted by a signal. The original code treated all non-zero return > values as success, which would incorrectly synchronize DMA channels and > return 0 instead of propagating the interruption error. > > Fixes: fa08b566860b ("spi: rzv2h-rspi: add support for DMA mode") > Signed-off-by: Felix Gu Reviewed-by: Wolfram Sang