From ea92c32bd336efba89c5b09cf609e6e26e963796 Mon Sep 17 00:00:00 2001 From: Stanley Chu Date: Sat, 11 Jan 2020 15:11:47 +0800 Subject: scsi: ufs-mediatek: add apply_dev_quirks variant operation Add vendor-specific variant callback "apply_dev_quirks" to MediaTek UFS driver. Cc: Alim Akhtar Cc: Asutosh Das Cc: Avri Altman Cc: Bart Van Assche Cc: Bean Huo Cc: Can Guo Cc: Matthias Brugger Link: https://lore.kernel.org/r/1578726707-6596-3-git-send-email-stanley.chu@mediatek.com Reviewed-by: Avri Altman Reviewed-by: Bean Huo Signed-off-by: Stanley Chu Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufs-mediatek.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/scsi') diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 41f80eeada46..8d999c0e60fe 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -16,6 +16,7 @@ #include "ufshcd.h" #include "ufshcd-pltfrm.h" +#include "ufs_quirks.h" #include "unipro.h" #include "ufs-mediatek.h" @@ -405,6 +406,15 @@ 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 * @@ -417,6 +427,7 @@ 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, .device_reset = ufs_mtk_device_reset, -- cgit v1.2.3