scsi: ufs: core: Fix clk scaling to be conditional in reset and restore

In ufshcd_host_reset_and_restore(), scale up clocks only when clock
scaling is supported. Without this change CPU latency is voted for 0
(ufshcd_pm_qos_update) during resume unconditionally.

Signed-off-by: anvithdosapati <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Fixes: a3cd5ec ("scsi: ufs: add load based scaling of UFS gear")
Cc: [email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

Author: anvithdosapati

drivers/ufs/core/ufshcd.c

@@ -7807,7 +7807,8 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba)
 	hba->silence_err_logs = false;
 
 	/* scale up clocks to max frequency before full reinitialization */
-	ufshcd_scale_clks(hba, ULONG_MAX, true);
+	if (ufshcd_is_clkscaling_supported(hba))
+		ufshcd_scale_clks(hba, ULONG_MAX, true);
 
 	err = ufshcd_hba_enable(hba);