From a7ef6f029a7658f2d9b9a78b3b1d8f4cb981bbdf Mon Sep 17 00:00:00 2001 From: Can Guo Date: Mon, 25 Nov 2019 22:53:31 -0800 Subject: [PATCH] scsi: ufs: Update VCCQ2 and VCCQ min/max voltage hard codes Per UFS 3.0 JEDEC standard, the VCCQ2 min voltage is 1.7v and the VCCQ voltage range is 1.14v ~ 1.26v. Update their hard codes accordingly to make sure they work in a safe range compliant for ver 1.0/1.1/2.0/2.1/3.0 UFS devices. Link: https://lore.kernel.org/r/1574751214-8321-3-git-send-email-cang@qti.qualcomm.com Reviewed-by: Bean Huo Reviewed-by: Avri Altman Signed-off-by: Can Guo Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufs.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 3327981..c89f216 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -499,9 +499,9 @@ struct ufs_query_res { #define UFS_VREG_VCC_MAX_UV 3600000 /* uV */ #define UFS_VREG_VCC_1P8_MIN_UV 1700000 /* uV */ #define UFS_VREG_VCC_1P8_MAX_UV 1950000 /* uV */ -#define UFS_VREG_VCCQ_MIN_UV 1100000 /* uV */ -#define UFS_VREG_VCCQ_MAX_UV 1300000 /* uV */ -#define UFS_VREG_VCCQ2_MIN_UV 1650000 /* uV */ +#define UFS_VREG_VCCQ_MIN_UV 1140000 /* uV */ +#define UFS_VREG_VCCQ_MAX_UV 1260000 /* uV */ +#define UFS_VREG_VCCQ2_MIN_UV 1700000 /* uV */ #define UFS_VREG_VCCQ2_MAX_UV 1950000 /* uV */ /* -- 2.7.4