Messages in this thread Patch in this message | | | From | Stanley Chu <> | Subject | [PATCH v1] scsi: ufs-mediatek: fix HOST_PA_TACTIVATE quirk for Samsung UFS Devices | Date | Mon, 2 Mar 2020 21:53:46 +0800 |
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Device quirk "UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE" is enabled for all Samsung devices by default currently.
However MediaTek UFS host requires different host's PA_TACTIVATE configuration. Hence clear this quirk first and then apply vendor-specific value in vops callback.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> --- drivers/scsi/ufs/ufs-mediatek.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index de650822c9d9..3b0e575d7460 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -533,8 +533,10 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba) struct ufs_dev_info *dev_info = &hba->dev_info; u16 mid = dev_info->wmanufacturerid; - if (mid == UFS_VENDOR_SAMSUNG) + if (mid == UFS_VENDOR_SAMSUNG) { + hba->dev_quirks &= ~UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE; ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6); + } /* * Decide waiting time before gating reference clock and -- 2.18.0 | |