This is a note to let you know that I've just added the patch titled
mmc: tmio: check mmc_regulator_get_supply return value
to the 4.14-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-tmio-check-mmc_regulator_get_supply-return-value.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Wed Dec 6 18:04:41 CET 2017
From: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Date: Fri, 22 Sep 2017 12:22:17 +0100
Subject: mmc: tmio: check mmc_regulator_get_supply return value
From: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
[ Upstream commit a3d95d1d4007b1fefd6d8b12db26fda05de05cfb ]
mmc_regulator_get_supply returns -EPROBE_DEFER if either vmmc or
vqmmc regulators had their probing deferred.
vqmmc regulator is needed by UHS to work properly, therefore this
patch checks the value returned by mmc_regulator_get_supply to
make sure we have a reference to both vmmc and vqmmc (if found in
the DT).
Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/mmc/host/tmio_mmc_core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -1113,8 +1113,11 @@ static int tmio_mmc_init_ocr(struct tmio
{
struct tmio_mmc_data *pdata = host->pdata;
struct mmc_host *mmc = host->mmc;
+ int err;
- mmc_regulator_get_supply(mmc);
+ err = mmc_regulator_get_supply(mmc);
+ if (err)
+ return err;
/* use ocr_mask if no regulator */
if (!mmc->ocr_avail)
Patches currently in stable-queue which might be from fabrizio.castro@xxxxxxxxxxxxxx are
queue-4.14/mmc-tmio-check-mmc_regulator_get_supply-return-value.patch