diff mbox series

libata: skip link debounce on resume

Message ID 20190507062807.24259-1-ning.a.zhang@intel.com
State Not Applicable
Delegated to: David Miller
Headers show
Series libata: skip link debounce on resume | expand

Commit Message

ning.a.zhang@intel.com May 7, 2019, 6:28 a.m. UTC 
From: Zhang Ning <ning.a.zhang@intel.com>

when link has flag: ATA_LFLAG_NO_DB_DELAY, skip link debounce.

Change-Id: Ibcac689d7be97c1e139f87d416498a269ff2abf4
Signed-off-by: Zhang Ning <ning.a.zhang@intel.com>
---
 drivers/ata/libata-core.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index adf28788cab5..1fcb3190491e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3838,6 +3838,8 @@  int sata_link_debounce(struct ata_link *link, const unsigned long *params,
 
 		/* DET stable? */
 		if (cur == last) {
+			if (link->flags & ATA_LFLAG_NO_DB_DELAY)
+				return 0;
 			if (cur == 1 && time_before(jiffies, deadline))
 				continue;
 			if (time_after(jiffies,