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UPSTREAM: scsi: ufs: Export ufs_fixup_device_setup() function

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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>

Bug: 151050916
(cherry picked from commit 8db269a5102eabfb05f4207f90e0a022caf7b804)
Change-Id: Ia29cf3947d1722944bdc023544169208e023c85f
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Stanley Chu 2020-05-08 16:01:10 +08:00 • committed by Greg Kroah-Hartman
commit 38eebefa26
2 changed files with 8 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

10
drivers/scsi/ufs/ufshcd.c
View file

@ -7021,12 +7021,15 @@ 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 &&
@ -7035,11 +7038,12 @@ 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);

1
drivers/scsi/ufs/ufshcd.h
View file

@ -1055,6 +1055,7 @@ 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,