From: Andy Teng Date: Wed, 19 Aug 2020 08:43:40 +0000 (+0800) Subject: scsi: ufs: ufs-mediatek: Modify the minimum RX/TX lane count to 2 X-Git-Tag: v5.10-rc1~136^2~191 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=460d74a0911c562f56148519a2467271271a73aa;p=thirdparty%2Flinux.git scsi: ufs: ufs-mediatek: Modify the minimum RX/TX lane count to 2 MediaTek UFS host now supports 2 lanes. Modify the lane count to 2. This modification shall not impact old 1-lane host because PA_CONNECTEDRXDATALANES and PA_CONNECTEDTXDATALANES will limit the target lanes properly during power mode change. So we could relax the limitation in ufs_dev_params. Link: https://lore.kernel.org/r/20200819084340.7021-1-stanley.chu@mediatek.com Reviewed-by: Stanley Chu Reviewed-by: Avri Altman Signed-off-by: Andy Teng Signed-off-by: Stanley Chu Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h index 8ed24d5fcff93..87657376d27a5 100644 --- a/drivers/scsi/ufs/ufs-mediatek.h +++ b/drivers/scsi/ufs/ufs-mediatek.h @@ -33,8 +33,8 @@ /* * Vendor specific pre-defined parameters */ -#define UFS_MTK_LIMIT_NUM_LANES_RX 1 -#define UFS_MTK_LIMIT_NUM_LANES_TX 1 +#define UFS_MTK_LIMIT_NUM_LANES_RX 2 +#define UFS_MTK_LIMIT_NUM_LANES_TX 2 #define UFS_MTK_LIMIT_HSGEAR_RX UFS_HS_G3 #define UFS_MTK_LIMIT_HSGEAR_TX UFS_HS_G3 #define UFS_MTK_LIMIT_PWMGEAR_RX UFS_PWM_G4