scsi: ufs: Export ufs_fixup_device_setup() function

Export ufs_fixup_device_setup() to allow vendors to re-use it for fixing
device quriks on specified UFS hosts.

Link: https://lore.kernel.org/r/20200508080115.24233-4-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>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 8d86d9a6a622b8b23657200a4624d2a61a12d455..c0b2cec5dcd852376f707717dcb34f9ebe71abf0 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6838,12 +6838,15 @@ wb_disabled:
        hba->caps &= ~UFSHCD_CAP_WB_EN;
 }
 
-static void ufshcd_fixup_dev_quirks(struct ufs_hba *hba)
+void ufshcd_fixup_dev_quirks(struct ufs_hba *hba, struct ufs_dev_fix *fixups)
 {
        struct ufs_dev_fix *f;
        struct ufs_dev_info *dev_info = &hba->dev_info;
 
-       for (f = ufs_fixups; f->quirk; f++) {
+       if (!fixups)
+               return;
+
+       for (f = fixups; f->quirk; f++) {
                if ((f->wmanufacturerid == dev_info->wmanufacturerid ||
                     f->wmanufacturerid == UFS_ANY_VENDOR) &&
                     ((dev_info->model &&
@@ -6852,11 +6855,12 @@ static void ufshcd_fixup_dev_quirks(struct ufs_hba *hba)
                        hba->dev_quirks |= f->quirk;
        }
 }
+EXPORT_SYMBOL_GPL(ufshcd_fixup_dev_quirks);
 
 static void ufs_fixup_device_setup(struct ufs_hba *hba)
 {
        /* fix by general quirk table */
-       ufshcd_fixup_dev_quirks(hba);
+       ufshcd_fixup_dev_quirks(hba, ufs_fixups);
 
        /* allow vendors to fix quirks */
        ufshcd_vops_fixup_dev_quirks(hba);

diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 897338ba67aa0034dac7d96d94835536c16ffbf7..4d296acadd6f0e5b2f1995406cec4405bdec5086 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -952,6 +952,7 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
 
 void ufshcd_auto_hibern8_enable(struct ufs_hba *hba);
 void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit);
+void ufshcd_fixup_dev_quirks(struct ufs_hba *hba, struct ufs_dev_fix *fixups);
 #define SD_ASCII_STD true
 #define SD_RAW false
 int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index,