android/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mmc: core: disable TRIM on Micron MTFC4GACAJCN-1M

Browse Source 
commit dbfbddcddcebc9ce8a08757708d4e4a99d238e44 upstream.

It seems that Micron MTFC4GACAJCN-1M despite advertising TRIM support does
not work when the core is trying to use REQ_OP_WRITE_ZEROES.

We are seeing the following errors in OpenWrt under 6.1 on Qnap Qhora 301W
that we did not previously have and tracked it down to REQ_OP_WRITE_ZEROES:
[   18.085950] I/O error, dev loop0, sector 596 op 0x9:(WRITE_ZEROES) flags 0x800 phys_seg 0 prio class 2

Disabling TRIM makes the error go away, so lets add a quirk for this eMMC
to disable TRIM.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230530213259.1776512-1-robimarko@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Robert Marko 2023-05-30 23:32:59 +02:00 committed by Greg Kroah-Hartman
parent 6f9708e5c1
commit 02c8c2b5f6
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/mmc/core/quirks.h
View File

@ -106,6 +106,13 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc,
MMC_QUIRK_TRIM_BROKEN),
/*
* Micron MTFC4GACAJCN-1M advertises TRIM but it does not seems to
* support being used to offload WRITE_ZEROES.
*/
MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc,
MMC_QUIRK_TRIM_BROKEN),
/*
* Some SD cards reports discard support while they don't
*/