Commit 449adb00 authored Apr 26, 2024 by Peter Griffin Committed by Martin K. Petersen May 06, 2024

scsi: ufs: exynos: Add EXYNOS_UFS_OPT_UFSPR_SECURE option

This option is intended to be set on platforms whose ufspr registers are
only accessible via smc call (such as gs101).

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20240426122004.2249178-3-peter.griffin@linaro.org

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent 438e23b6

drivers/ufs/host/ufs-exynos.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1186,7 +1186,10 @@ static int exynos_ufs_init(struct ufs_hba *hba)
		if (ret)
		goto out;
		exynos_ufs_specify_phy_time_attr(ufs);
		if (!(ufs->opts & EXYNOS_UFS_OPT_UFSPR_SECURE))
		exynos_ufs_config_smu(ufs);

		hba->host->dma_alignment = SZ_4K - 1;
		return 0;

		out:

drivers/ufs/host/ufs-exynos.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -221,6 +221,7 @@ struct exynos_ufs {
		#define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX BIT(3)
		#define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4)
		#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5)
		#define EXYNOS_UFS_OPT_UFSPR_SECURE BIT(6)
		};

		#define for_each_ufs_rx_lane(ufs, i) \