dmaengine: at_xdmac: GFP_KERNEL for user that can sleep

device_alloc_chan_resources can sleep, use GFP_KERNEL flag.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20200123140237.125799-9-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 8fb01bc90ba79f444bdec6049a2e4de0dab2628a..31321da69ae68fbe15285e9c7e9bddce6a8fd5e9 100644 (file)
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1834,7 +1834,7 @@ static int at_xdmac_alloc_chan_resources(struct dma_chan *chan)
        }
 
        for (i = 0; i < init_nr_desc_per_channel; i++) {
-               desc = at_xdmac_alloc_desc(chan, GFP_ATOMIC);
+               desc = at_xdmac_alloc_desc(chan, GFP_KERNEL);
                if (!desc) {
                        dev_warn(chan2dev(chan),
                                "only %d descriptors have been allocated\n", i);