From: <gregkh@linuxfoundation.org>
To: haibo.chen@nxp.com, gregkh@linuxfoundation.org,
shawn.lin@rock-chips.com, ulf.hansson@linaro.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "mmc: mmc: correct the logic for setting HS400ES signal voltage" has been added to the 4.12-stable tree
Date: Sun, 13 Aug 2017 15:19:00 -0700 [thread overview]
Message-ID: <150266274019472@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
mmc: mmc: correct the logic for setting HS400ES signal voltage
to the 4.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mmc-mmc-correct-the-logic-for-setting-hs400es-signal-voltage.patch
and it can be found in the queue-4.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 92ddd95919466de5d34f3cb43635da9a7f9ab814 Mon Sep 17 00:00:00 2001
From: Haibo Chen <haibo.chen@nxp.com>
Date: Tue, 8 Aug 2017 18:54:01 +0800
Subject: mmc: mmc: correct the logic for setting HS400ES signal voltage
From: Haibo Chen <haibo.chen@nxp.com>
commit 92ddd95919466de5d34f3cb43635da9a7f9ab814 upstream.
Change the default err value to -EINVAL, make sure the card only
has type EXT_CSD_CARD_TYPE_HS400_1_8V also do the signal voltage
setting when select hs400es mode.
Fixes: commit 1720d3545b77 ("mmc: core: switch to 1V8 or 1V2 for hs400es mode")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mmc/core/mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1288,7 +1288,7 @@ out_err:
static int mmc_select_hs400es(struct mmc_card *card)
{
struct mmc_host *host = card->host;
- int err = 0;
+ int err = -EINVAL;
u8 val;
if (!(host->caps & MMC_CAP_8_BIT_DATA)) {
Patches currently in stable-queue which might be from haibo.chen@nxp.com are
queue-4.12/mmc-mmc-correct-the-logic-for-setting-hs400es-signal-voltage.patch
reply other threads:[~2017-08-14 0:33 UTC|newest]
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