diff options
| author | Peter Wang <peter.wang@mediatek.com> | 2025-07-22 11:07:19 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-07-24 22:20:09 -0400 |
| commit | a44ff97f895bd8615ebb53e6e199b74152c18bba (patch) | |
| tree | 14e8001daf31fa79b1f6ceba81c2be7cfddbba51 | |
| parent | 16b30c7a4c564e80fefe7e6416320f4f5b776d60 (diff) | |
scsi: ufs: host: mediatek: Handle broken RTC based on DTS setting
Introduce a mechanism to handle broken RTC by checking the DTS
setting. The configuration is specifically required for legacy platform.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20250722030841.1998783-5-peter.wang@mediatek.com
Reviewed-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.c | 8 | ||||
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index b30203d83ef1..112056e5d8e0 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -679,6 +679,9 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba) if (of_property_read_bool(np, "mediatek,ufs-rtff-mtcmos")) host->caps |= UFS_MTK_CAP_RTFF_MTCMOS; + if (of_property_read_bool(np, "mediatek,ufs-broken-rtc")) + host->caps |= UFS_MTK_CAP_MCQ_BROKEN_RTC; + dev_info(hba->dev, "caps: 0x%x", host->caps); } @@ -1035,8 +1038,11 @@ static int ufs_mtk_init(struct ufs_hba *hba) shost->rpm_autosuspend_delay = MTK_RPM_AUTOSUSPEND_DELAY_MS; hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL; + hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_INTR; - hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC; + if (host->caps & UFS_MTK_CAP_MCQ_BROKEN_RTC) + hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC; + hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80); if (host->caps & UFS_MTK_CAP_DISABLE_AH8) diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h index 1082f761bb44..abb4a4fd4402 100644 --- a/drivers/ufs/host/ufs-mediatek.h +++ b/drivers/ufs/host/ufs-mediatek.h @@ -133,6 +133,8 @@ enum ufs_mtk_host_caps { UFS_MTK_CAP_DISABLE_MCQ = 1 << 8, /* Control MTCMOS with RTFF */ UFS_MTK_CAP_RTFF_MTCMOS = 1 << 9, + + UFS_MTK_CAP_MCQ_BROKEN_RTC = 1 << 10, }; struct ufs_mtk_crypt_cfg { |