diff options
| author | Eric Biggers <ebiggers@google.com> | 2024-07-21 11:38:40 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-07-22 20:52:15 -0400 |
| commit | 47398f49dab8326bb652fa2d7a51ae5ec78775b5 (patch) | |
| tree | 68c08de39b39dfebac6d4fbd22305452b6cccc9e /drivers/ufs | |
| parent | 82dbb57ac8d06dfe8227ba9ab11a49de2b475ae5 (diff) | |
scsi: ufs: exynos: Don't resume FMP when crypto support is disabled
If exynos_ufs_fmp_init() did not enable FMP support, then
exynos_ufs_fmp_resume() should not execute the FMP-related SMC calls.
Fixes: c96499fcb403 ("scsi: ufs: exynos: Add support for Flash Memory Protector (FMP)")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240721183840.209284-1-ebiggers@kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/host/ufs-exynos.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c index 16ad3528d80b..9ec318ef52bf 100644 --- a/drivers/ufs/host/ufs-exynos.c +++ b/drivers/ufs/host/ufs-exynos.c @@ -1293,6 +1293,9 @@ static void exynos_ufs_fmp_resume(struct ufs_hba *hba) { struct arm_smccc_res res; + if (!(hba->caps & UFSHCD_CAP_CRYPTO)) + return; + arm_smccc_smc(SMC_CMD_FMP_SECURITY, 0, SMU_EMBEDDED, CFG_DESCTYPE_3, 0, 0, 0, 0, &res); if (res.a0) |