From: Eric Biggers Date: Sun, 21 Jul 2024 18:38:40 +0000 (-0700) Subject: scsi: ufs: exynos: Don't resume FMP when crypto support is disabled X-Git-Tag: v6.11-rc2~11^2^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=47398f49dab8326bb652fa2d7a51ae5ec78775b5;p=thirdparty%2Fkernel%2Flinux.git 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 Link: https://lore.kernel.org/r/20240721183840.209284-1-ebiggers@kernel.org Reviewed-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c index 16ad3528d80b2..9ec318ef52bff 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)