dmaengine: print more meaningful error message

error log for dma_channel_table_init() failure pointed a mere
"initialization failure", which is not very helpful message, so print
additional details like function name and error code.

Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 0505ea5..4ac7745 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -206,7 +206,7 @@ static int __init dma_channel_table_init(void)
        }
 
        if (err) {
-               pr_err("initialization failure\n");
+               pr_err("dmaengine dma_channel_table_init failure: %d\n", err);
                for_each_dma_cap_mask(cap, dma_cap_mask_all)
                        free_percpu(channel_table[cap]);
        }