Calling mxcmci_use_dma(host) is intended for the next transfer only, not
for generic detection if DMA is possible. Without this change, the DMA gets
never configured and thus, never used.
Signed-off-by: Juergen Borleis <jbe@xxxxxxxxxxxxxx>
---
drivers/mmc/host/mxcmmc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 2fe6fcd..611f827 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -834,7 +834,8 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
else
burstlen = 4;
- if (mxcmci_use_dma(host) && burstlen != host->burstlen) {
+ if (host->dma != NULL && burstlen != host->burstlen) {
+ /* reconfigure DMA on changes only */
host->burstlen = burstlen;
ret = mxcmci_setup_dma(mmc);
if (ret) {
--
2.20.1
