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UPSTREAM: scsi: ufs: ufs-exynos: Add refclkout_stop control

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This patch adds REFCLKOUT_STOP control to CLK_STOP_MASK. This permits
enabling/disabling reference clock out control for the UFS device.

Link: https://lore.kernel.org/r/20211018124216.153072-6-chanho61.park@samsung.com
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bug: 234653003
(cherry picked from commit e1f3e22e93)
Change-Id: Ie057cb9859bdf0afc9f8873fabda280ec54ea47d
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
Chanho Park
2021-10-18 21:42:06 +09:00
committed by Bart Van Assche
parent c815dd208e
commit 0d4aec7a45
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/ufs/ufs-exynos.c
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@@ -48,10 +48,11 @@
#define HCI_ERR_EN_T_LAYER 0x84
#define HCI_ERR_EN_DME_LAYER 0x88
#define HCI_CLKSTOP_CTRL 0xB0
#define REFCLKOUT_STOP BIT(4)
#define REFCLK_STOP BIT(2)
#define UNIPRO_MCLK_STOP BIT(1)
#define UNIPRO_PCLK_STOP BIT(0)
#define CLK_STOP_MASK (REFCLK_STOP |\
#define CLK_STOP_MASK (REFCLKOUT_STOP | REFCLK_STOP |\
UNIPRO_MCLK_STOP |\
UNIPRO_PCLK_STOP)
#define HCI_MISC 0xB4