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UPSTREAM: scsi: ufs: export ufshcd_link_recovery

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Export ufshcd_link_recovery to allow vendors to recover failed link in
vendor's callbacks.

Bug: 151050916
Change-Id: Id69485882f0943e71db06286fbe171ac9fe3a4b2
(cherry picked from commit 087c5efafa48661ac98184fbf8826a1a79dc5784)
Link: https://lore.kernel.org/r/20200327095329.10083-2-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Stanley Chu 2020-03-27 17:53:28 +08:00 • committed by Greg Kroah-Hartman
commit 77c34d5327
2 changed files with 3 additions and 1 deletions
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3
drivers/scsi/ufs/ufshcd.c
View file

@ -4000,7 +4000,7 @@ out:
return ret;
}
static int ufshcd_link_recovery(struct ufs_hba *hba)
int ufshcd_link_recovery(struct ufs_hba *hba)
{
int ret;
unsigned long flags;
@ -4027,6 +4027,7 @@ static int ufshcd_link_recovery(struct ufs_hba *hba)
return ret;
}
EXPORT_SYMBOL_GPL(ufshcd_link_recovery);
static int __ufshcd_uic_hibern8_enter(struct ufs_hba *hba)
{

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

@ -918,6 +918,7 @@ int ufshcd_alloc_host(struct device *, struct ufs_hba **);
void ufshcd_dealloc_host(struct ufs_hba *);
int ufshcd_hba_enable(struct ufs_hba *hba);
int ufshcd_init(struct ufs_hba * , void __iomem * , unsigned int);
int ufshcd_link_recovery(struct ufs_hba *hba);
int ufshcd_make_hba_operational(struct ufs_hba *hba);
void ufshcd_remove(struct ufs_hba *);
int ufshcd_uic_hibern8_exit(struct ufs_hba *hba);