The timeout test in axi_dma_init is not correct due to the post-decrement used on the timeout variable which will mean timeout is not 0 if the timeout occurs. Make the timeout variable an int instead of a u32 and then test for timeout being -1. This issue was found by Smatch. Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org> Link: https://lore.kernel.org/r/20250806-net_xilinx_axi-v2-1-6311cf59451d@linaro.org Signed-off-by: Michal Simek <michal.simek@amd.com>