From: Zhang Ning <ning.a.zhang@xxxxxxxxx>
when link has flag: ATA_LFLAG_NO_DB_DELAY, skip link debounce.
Change-Id: Ibcac689d7be97c1e139f87d416498a269ff2abf4
Signed-off-by: Zhang Ning <ning.a.zhang@xxxxxxxxx>
---
drivers/ata/libata-core.c | 2 ++
1 file changed, 2 insertions(+)
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,
--
2.20.1
