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scsi: ufs: Remove redundant checks of !hba in suspend/resume callbacks 

Runtime and system suspend/resume can only come after hba probe invokes
platform_set_drvdata(pdev, hba), meaning hba cannot be NULL in these PM
callbacks, so remove the checks of !hba.

Link: https://lore.kernel.org/r/1614145010-36079-4-git-send-email-cang@codeaurora.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Can Guo 2021-02-23 21:36:49 -08:00 committed by Martin K. Petersen
parent 4a791574a0
commit 4d195dc451
1 changed files with 0 additions and 21 deletions
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21
drivers/scsi/ufs/ufshcd.c
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@ -95,8 +95,6 @@
16, 4, buf, __len, false); \
} while (0)
static bool early_suspend;
int ufshcd_dump_regs(struct ufs_hba *hba, size_t offset, size_t len,
const char *prefix)
{
@ -8978,11 +8976,6 @@ int ufshcd_system_suspend(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
if (!hba) {
early_suspend = true;
return 0;
}
down(&hba->host_sem);
if (!hba->is_powered)
@ -9034,14 +9027,6 @@ int ufshcd_system_resume(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
if (!hba)
return -EINVAL;
if (unlikely(early_suspend)) {
early_suspend = false;
down(&hba->host_sem);
}
if (!hba->is_powered || pm_runtime_suspended(hba->dev))
/*
* Let the runtime resume take care of resuming
@ -9074,9 +9059,6 @@ int ufshcd_runtime_suspend(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
if (!hba)
return -EINVAL;
if (!hba->is_powered)
goto out;
else
@ -9115,9 +9097,6 @@ int ufshcd_runtime_resume(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
if (!hba)
return -EINVAL;
if (!hba->is_powered)
goto out;
else