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    Subject[PATCH 5.5 272/399] scsi: ufs-mediatek: add apply_dev_quirks variant operation
    Date
    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@mediatek.com
    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 83e28edc3ac5b..8a21f49caf0d9 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"

    @@ -289,6 +290,15 @@ 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
    *
    @@ -301,6 +311,7 @@ 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,
    };
    --
    2.20.1


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