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scsi: ufs-mediatek: fix HOST_PA_TACTIVATE quirk for Samsung UFS Devices
Device quirk "UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE" is enabled for all Samsung devices by default currently. However MediaTek UFS host requires different host PA_TACTIVATE configuration. Hence clear this quirk first and then apply vendor-specific value in vops callback. Link: https://lore.kernel.org/r/20200302135346.16797-1-stanley.chu@mediatek.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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1 changed files with 3 additions and 1 deletions
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@ -533,8 +533,10 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba)
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struct ufs_dev_info *dev_info = &hba->dev_info;
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struct ufs_dev_info *dev_info = &hba->dev_info;
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u16 mid = dev_info->wmanufacturerid;
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u16 mid = dev_info->wmanufacturerid;
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if (mid == UFS_VENDOR_SAMSUNG)
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if (mid == UFS_VENDOR_SAMSUNG) {
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hba->dev_quirks &= ~UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE;
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ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6);
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ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6);
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}
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/*
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/*
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* Decide waiting time before gating reference clock and
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* Decide waiting time before gating reference clock and
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