dmaengine: ti: edma: handle irq_of_parse_and_map() errors

stable inclusion
from stable-v6.6.2
commit c6dcf5a29fabad2ac9723385cd5380b251f0375a
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c6dcf5a29fabad2ac9723385cd5380b251f0375a



--------------------------------

[ Upstream commit 14f6d317913f634920a640e9047aa2e66f5bdcb7 ]

Zero is not a valid IRQ for in-kernel code and the irq_of_parse_and_map()
function returns zero on error.  So this check for valid IRQs should only
accept values > 0.

Fixes: 2b6b3b74 ("ARM/dmaengine: edma: Merge the two drivers under drivers/dma/")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/f15cb6a7-8449-4f79-98b6-34072f04edbc@moroto.mountain


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>