[PATCH AUTOSEL for 4.15 095/102] mmc: mmc_test: Ensure command queue is disabled for testing

From: Sasha Levin
Date: Sat Mar 03 2018 - 19:31:25 EST


From: Adrian Hunter <adrian.hunter@xxxxxxxxx>

[ Upstream commit 23a185254ace8e63dc4ca36e0315aed9440ae749 ]

mmc_test disables the command queue because none of the tests use the
command queue. However the Reset Test will re-enable it, so disable it in
that case too.

Fixes: 9d4579a85c84 ("mmc: mmc_test: Disable Command Queue while mmc_test is used")
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
drivers/mmc/core/mmc_test.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
index 478869805b96..789afef66fce 100644
--- a/drivers/mmc/core/mmc_test.c
+++ b/drivers/mmc/core/mmc_test.c
@@ -2328,10 +2328,17 @@ static int mmc_test_reset(struct mmc_test_card *test)
int err;

err = mmc_hw_reset(host);
- if (!err)
+ if (!err) {
+ /*
+ * Reset will re-enable the card's command queue, but tests
+ * expect it to be disabled.
+ */
+ if (card->ext_csd.cmdq_en)
+ mmc_cmdq_disable(card);
return RESULT_OK;
- else if (err == -EOPNOTSUPP)
+ } else if (err == -EOPNOTSUPP) {
return RESULT_UNSUP_HOST;
+ }

return RESULT_FAIL;
}
--
2.14.1