Re: [PATCH] mmc: core: fix changing bus witdh in hs400es mode
From: Shawn Lin
Date: Thu Mar 02 2017 - 22:46:28 EST
Hi Poitr,
On 2017/3/2 21:47, Piotr Sroka wrote:
Fix the code to avoid changing bus width if HS400ES mode is selected.
Thanks for catching this, but Guenter posted a fix[1] already. :)
[1]: https://patchwork.kernel.org/patch/9599261/
Signed-off-by: Piotr Sroka <piotrs@xxxxxxxxxxx>
---
drivers/mmc/core/mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 7fd7228..c7d9c9f 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1730,7 +1730,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_select_hs400(card);
if (err)
goto free_card;
- } else {
+ } else if (!mmc_card_hs400(card)) {
/* Select the desired bus width optionally */
err = mmc_select_bus_width(card);
if (err > 0 && mmc_card_hs(card)) {
--
Best Regards
Shawn Lin