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scsi: ufs-mediatek: Add fixup_dev_quirks vops 

Add fixup_dev_quirk vops in MediaTek UFS platforms and provide an initial
vendor-specific device quirk table.

Link: https://lore.kernel.org/r/20200508080115.24233-5-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Stanley Chu 2020-05-08 16:01:11 +08:00 committed by Martin K. Petersen
parent 8db269a510
commit 62c2f503b5
1 changed files with 19 additions and 3 deletions
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22
drivers/scsi/ufs/ufs-mediatek.c
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@ -30,6 +30,12 @@
#define ufs_mtk_device_reset_ctrl(high, res) \
ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, high, res)
static struct ufs_dev_fix ufs_mtk_dev_fixups[] = {
UFS_FIX(UFS_VENDOR_SKHYNIX, "H9HQ21AFAMZDAR",
UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES),
END_FIX
};
static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable)
{
u32 tmp;
@ -555,10 +561,8 @@ 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) {
hba->dev_quirks &= ~UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE;
if (mid == UFS_VENDOR_SAMSUNG)
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6);
}
/*
* Decide waiting time before gating reference clock and
@ -575,6 +579,17 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba)
return 0;
}
void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba)
{
struct ufs_dev_info *dev_info = &hba->dev_info;
u16 mid = dev_info->wmanufacturerid;
ufshcd_fixup_dev_quirks(hba, ufs_mtk_dev_fixups);
if (mid == UFS_VENDOR_SAMSUNG)
hba->dev_quirks &= ~UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE;
}
/**
* struct ufs_hba_mtk_vops - UFS MTK specific variant operations
*
@ -589,6 +604,7 @@ static struct ufs_hba_variant_ops ufs_hba_mtk_vops = {
.link_startup_notify = ufs_mtk_link_startup_notify,
.pwr_change_notify = ufs_mtk_pwr_change_notify,
.apply_dev_quirks = ufs_mtk_apply_dev_quirks,
.fixup_dev_quirks = ufs_mtk_fixup_dev_quirks,
.suspend = ufs_mtk_suspend,
.resume = ufs_mtk_resume,
.dbg_register_dump = ufs_mtk_dbg_register_dump,