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: c96499f ("scsi: ufs: exynos: Add support for Flash Memory Protector (FMP)")
Signed-off-by: Eric Biggers <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

Author: ebiggers

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)