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

From: Johannes Thumshirn
Date: Thu Jan 19 2017 - 03:44:39 EST


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.

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

--
Johannes Thumshirn Storage
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