Re: [PATCH 2/7] scsi: hisi_sas: modify some values of ITCT table

From: John Garry
Date: Thu Jan 19 2017 - 03:56:44 EST


On 19/01/2017 08:44, Johannes Thumshirn wrote:
On Thu, Jan 19, 2017 at 12:32:48AM +0800, John Garry wrote:
From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>

Set SMP connection timeout and continue AWT timer;
Clear ITCT table when dev gone.

Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 6c787eb..452e329 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -334,6 +334,8 @@
#define ITCT_HDR_MCR_MSK (0xf << ITCT_HDR_MCR_OFF)
#define ITCT_HDR_VLN_OFF 9
#define ITCT_HDR_VLN_MSK (0xf << ITCT_HDR_VLN_OFF)
+#define ITCT_HDR_SMP_TIMEOUT_OFF 16
+#define ITCT_HDR_AWT_CONTINUE_OFF 25
#define ITCT_HDR_PORT_ID_OFF 28
#define ITCT_HDR_PORT_ID_MSK (0xf << ITCT_HDR_PORT_ID_OFF)
/* qw2 */
@@ -696,6 +698,8 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
(device->linkrate << ITCT_HDR_MCR_OFF) |
(1 << ITCT_HDR_VLN_OFF) |
+ (0xfa << ITCT_HDR_SMP_TIMEOUT_OFF) |
^~ You may want to give that magic value a name.


Thanks for having a look.

We will create a new patch without the mysterious value.

Regards,
John

Other than that,
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>