[SRU][J:linux-bluefield][PATCH v1 0/1] UBUNTU: SAUCE: sdhci-of-dwcmshc-bf3: Enable SDHCI_QUIRK_BROKEN_TIMEOUT_VAL

Liming Sun limings at nvidia.com
Wed Oct 18 18:54:11 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/2039325

SRU Justification:

[Impact]
This change is needed to avoid intermittent "sdhci-dwcmshc MLNXBF30:00:
__mmc_blk_ioctl_cmd: data error -110" error under stress test.

[Fix]
The fix added a quirk for the BF3 sdhci driver to avoid such data error.

[Test Case]
1. Same functionality and testing as on BlueField-1/2.
2. Install OS on NVME, and run the FIO test on EMMC.
fio --name=mmcblk0_randrw_stress_round_1 \
  --ioengine=libaio --direct=1 --time_based=1 \
  --end_fsync=1 --ramp_time=5 --norandommap=1 \
  --randrepeat=0 --group_reporting=1 --numjobs=8 \
  --iodepth=128 --rw=randrw --overwrite=1 \
  --runtime=3600 --bs=4K --filename=/dev/mmcblk0 &

Liming Sun (1):
  sdhci-of-dwcmshc-bf3: Enable SDHCI_QUIRK_BROKEN_TIMEOUT_VAL

 drivers/mmc/host/sdhci-of-dwcmshc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

-- 
2.30.1




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