From: Stanley Chu stanley.chu@mediatek.com
[ Upstream commit ea92c32bd336efba89c5b09cf609e6e26e963796 ]
Add vendor-specific variant callback "apply_dev_quirks" to MediaTek UFS driver.
Cc: Alim Akhtar alim.akhtar@samsung.com Cc: Asutosh Das asutoshd@codeaurora.org Cc: Avri Altman avri.altman@wdc.com Cc: Bart Van Assche bvanassche@acm.org Cc: Bean Huo beanhuo@micron.com Cc: Can Guo cang@codeaurora.org Cc: Matthias Brugger matthias.bgg@gmail.com Link: https://lore.kernel.org/r/1578726707-6596-3-git-send-email-stanley.chu@media... Reviewed-by: Avri Altman avri.altman@wdc.com Reviewed-by: Bean Huo beanhuo@micron.com Signed-off-by: Stanley Chu stanley.chu@mediatek.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/ufs/ufs-mediatek.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 0f6ff33ce52ee..d4a8be5ffd528 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -13,6 +13,7 @@
#include "ufshcd.h" #include "ufshcd-pltfrm.h" +#include "ufs_quirks.h" #include "unipro.h" #include "ufs-mediatek.h"
@@ -286,6 +287,15 @@ static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) return 0; }
+static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba, + struct ufs_dev_desc *card) +{ + if (card->wmanufacturerid == UFS_VENDOR_SAMSUNG) + ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6); + + return 0; +} + /** * struct ufs_hba_mtk_vops - UFS MTK specific variant operations * @@ -298,6 +308,7 @@ static struct ufs_hba_variant_ops ufs_hba_mtk_vops = { .setup_clocks = ufs_mtk_setup_clocks, .link_startup_notify = ufs_mtk_link_startup_notify, .pwr_change_notify = ufs_mtk_pwr_change_notify, + .apply_dev_quirks = ufs_mtk_apply_dev_quirks, .suspend = ufs_mtk_suspend, .resume = ufs_mtk_resume, };