Re: [PATCH V2 4/9] pm80xx : tag allocation for phy control request.

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On Wed, Feb 18, 2015 at 12:36 AM, Viswas G <Viswas.G@xxxxxxxxxxxxx> wrote:
> tag is taken from the tag pool instead of using the hardcoded
> tag value(1).
>
> Signed-off-by: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx>
> Signed-off-by: Viswas G <Viswas.G@xxxxxxxxxxxxx>
> ---
>  drivers/scsi/pm8001/pm8001_hwi.c |  3 +++
>  drivers/scsi/pm8001/pm80xx_hwi.c | 10 +++++++---
>  2 files changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index 10546faac58c..bc4a6f649ec9 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -3198,11 +3198,13 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
>
>  int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
>  {
> +       u32 tag;
>         struct local_phy_ctl_resp *pPayload =
>                 (struct local_phy_ctl_resp *)(piomb + 4);
>         u32 status = le32_to_cpu(pPayload->status);
>         u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
>         u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
> +       tag = le32_to_cpu(pPayload->tag);
>         if (status != 0) {
>                 PM8001_MSG_DBG(pm8001_ha,
>                         pm8001_printk("%x phy execute %x phy op failed!\n",
> @@ -3211,6 +3213,7 @@ int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
>                 PM8001_MSG_DBG(pm8001_ha,
>                         pm8001_printk("%x phy execute %x phy op success!\n",
>                         phy_id, phy_op));
> +       pm8001_tag_free(pm8001_ha, tag);
>         return 0;
>  }
>
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index 2b26445d1b97..baab8a19c78e 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -4500,17 +4500,21 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
>  static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
>         u32 phyId, u32 phy_op)
>  {
> +       u32 tag;
> +       int rc;
>         struct local_phy_ctl_req payload;
>         struct inbound_queue_table *circularQ;
>         int ret;
>         u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
>         memset(&payload, 0, sizeof(payload));
> +       rc = pm8001_tag_alloc(pm8001_ha, &tag);
> +       if (rc)
> +               return rc;
>         circularQ = &pm8001_ha->inbnd_q_tbl[0];
> -       payload.tag = cpu_to_le32(1);
> +       payload.tag = cpu_to_le32(tag);
>         payload.phyop_phyid =
>                 cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
> -       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
> -       return ret;
> +       return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
>  }
>
>  static u32 pm80xx_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
> --
> 2.12.3
>

Thanks,
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>

-- 
Jack Wang
Linux Kernel Developer

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