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Subject[PATCH] mmc: core: Do not require secure trim for discard
Date
Discard feature is independent of security features.
The support check for all trims and discard falsely checked
for secure trim/discard, but in the discard case this is not
mandated by the spec.

Signed-off-by: Christian Loehle <cloehle@hyperstone.com>
---
drivers/mmc/core/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 95fa8fb1d45f..507005211529 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1761,7 +1761,8 @@ int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
return -EOPNOTSUPP;

if (mmc_card_mmc(card) && (arg & MMC_TRIM_ARGS) &&
- !(card->ext_csd.sec_feature_support & EXT_CSD_SEC_GB_CL_EN))
+ !(card->ext_csd.sec_feature_support & EXT_CSD_SEC_GB_CL_EN) &&
+ arg != MMC_DISCARD_ARG)
return -EOPNOTSUPP;

if (arg == MMC_SECURE_ERASE_ARG) {
--
2.37.3
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