mmc: core: disable TRIM on Micron MTFC4GACAJCN-1M
authorRobert Marko <robimarko@gmail.com>
Tue, 30 May 2023 21:32:59 +0000 (23:32 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 Jul 2023 14:22:09 +0000 (16:22 +0200)
commit69bc3203513c4fcd6ca84b0185de454bacf87883
treeb89c74a6fa8a3323496a554a58e24db1eccca4ba
parent182bf07a24c4c1022bf83c90be619d60427745c3
mmc: core: disable TRIM on Micron MTFC4GACAJCN-1M

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>
drivers/mmc/core/quirks.h