[PATCH 10/13] scsi: hisi_sas: Add time interval between two H2D FIS following soft reset spec

Yihang Li
2024-09-26T01:43:43Z

From: Xingui Yang <yangxingui@huawei.com>

Spec says at least 5us between two H2D FIS when do soft reset, but be
generous and sleep for about 1ms.

Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Reviewed-by: Yihang Li <liyihang9@huawei.com>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 452baf9d5a26..246712cace28 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1321,6 +1321,7 @@ static int hisi_sas_softreset_ata_disk(struct domain_device *device)
}

if (rc == TMF_RESP_FUNC_COMPLETE) {
+ usleep_range(900, 1000);
ata_for_each_link(link, ap, EDGE) {
int pmp = sata_srst_pmp(link);

--
2.33.0