diff mbox series

[v2,5/7] ufs: ufs-exynos: add mphy apb clock mask

Message ID 20220603154714.30532-6-alim.akhtar@samsung.com (mailing list archive)
State New, archived
Headers show
Series Add support for UFS controller found in FSD SoC | expand

Commit Message

Alim Akhtar June 3, 2022, 3:47 p.m. UTC 
Bit[3] of HCI_CLKSTOP_CTRL register is for enabling/disabling MPHY APB
clock. Lets add it to CLK_STOP_MASK, so that the same can be controlled
during clock masking/unmasking.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
---
 drivers/ufs/host/ufs-exynos.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Chanho Park June 8, 2022, 1:51 a.m. UTC | #1 
> Subject: [PATCH v2 5/7] ufs: ufs-exynos: add mphy apb clock mask
> 
> Bit[3] of HCI_CLKSTOP_CTRL register is for enabling/disabling MPHY APB
> clock. Lets add it to CLK_STOP_MASK, so that the same can be controlled
> during clock masking/unmasking.
> 
> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>

Reviewed-by: Chanho Park <chanho61.park@samsung.com>

And tested on my ExynosAutov9 SADK board.

Tested-by: Chanho Park <chanho61.park@samsung.com>

Best Regards,
Chanho Park
diff mbox series

Patch

diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c
index a81d8cbd542f..cc128aff8871 100644
--- a/drivers/ufs/host/ufs-exynos.c
+++ b/drivers/ufs/host/ufs-exynos.c
@@ -52,11 +52,12 @@ 
 #define HCI_ERR_EN_DME_LAYER	0x88
 #define HCI_CLKSTOP_CTRL	0xB0
 #define REFCLKOUT_STOP		BIT(4)
+#define MPHY_APBCLK_STOP	BIT(3)
 #define REFCLK_STOP		BIT(2)
 #define UNIPRO_MCLK_STOP	BIT(1)
 #define UNIPRO_PCLK_STOP	BIT(0)
 #define CLK_STOP_MASK		(REFCLKOUT_STOP | REFCLK_STOP |\
-				 UNIPRO_MCLK_STOP |\
+				 UNIPRO_MCLK_STOP | MPHY_APBCLK_STOP|\
 				 UNIPRO_PCLK_STOP)
 #define HCI_MISC		0xB4
 #define REFCLK_CTRL_EN		BIT(7)