On 11/11/2013 05:24 PM, Anand wrote:
> From 800d934dd22f3ef5d7f52d900295d371d17004bd Mon Sep 17 00:00:00 2001
> From: Nikith Ganigarakoppal <nikith.ganigarakop...@pmcs.com>
> Date: Wed, 30 Oct 2013 16:23:47 +0530
> Subject: [PATCH V1 2/3] pm80xx: Resetting the phy state.
>
> Setting the phy state for hard reset response.
> After sending hard reset for a device ,phy down event sets
> the phy state to zero but for phy up event it will not set
> the phy state again.This will cause problem to successive
> hard resets.
>
>
> Signed-off-by: anandkumar.santha...@pmcs.com
> Signed-off-by: nikith.ganigarakop...@pmcs.com
Nice catch, Thanks
Reviewed-by: Jack Wang <jinpu.w...@profitbricks.com>
PS: same about the signed-off chain.
> ---
> drivers/scsi/pm8001/pm8001_hwi.c | 2 ++
> drivers/scsi/pm8001/pm8001_hwi.h | 4 ++++
> drivers/scsi/pm8001/pm80xx_hwi.c | 2 ++
> drivers/scsi/pm8001/pm80xx_hwi.h | 2 ++
> 4 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c
> b/drivers/scsi/pm8001/pm8001_hwi.c
> index 9961616..b23f49d 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -3403,6 +3403,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha,
> void *piomb)
> unsigned long flags;
> u8 deviceType = pPayload->sas_identify.dev_type;
> port->port_state = portstate;
> + phy->phy_state = PHY_STATE_LINK_UP_SPC;
> PM8001_MSG_DBG(pm8001_ha,
> pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
> port_id, phy_id));
> @@ -3483,6 +3484,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha,
> void *piomb)
> pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
> " phy id = %d\n", port_id, phy_id));
> port->port_state = portstate;
> + phy->phy_state = PHY_STATE_LINK_UP_SPC;
> port->port_attached = 1;
> pm8001_get_lrate_mode(phy, link_rate);
> phy->phy_type |= PORT_TYPE_SATA;
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.h
> b/drivers/scsi/pm8001/pm8001_hwi.h
> index 6d91e24..e4867e6 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.h
> +++ b/drivers/scsi/pm8001/pm8001_hwi.h
> @@ -131,6 +131,10 @@
> #define LINKRATE_30 (0x02 << 8)
> #define LINKRATE_60 (0x04 << 8)
>
> +/* for phy state */
> +
> +#define PHY_STATE_LINK_UP_SPC 0x1
> +
> /* for new SPC controllers MEMBASE III is shared between BIOS and DATA */
> #define GSM_SM_BASE 0x4F0000
> struct mpi_msg_hdr{
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c
> b/drivers/scsi/pm8001/pm80xx_hwi.c
> index 4ebc79b..41bee62 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -2894,6 +2894,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha,
> void *piomb)
> unsigned long flags;
> u8 deviceType = pPayload->sas_identify.dev_type;
> port->port_state = portstate;
> + phy->phy_state = PHY_STATE_LINK_UP_SPCV;
> PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
> "portid:%d; phyid:%d; linkrate:%d; "
> "portstate:%x; devicetype:%x\n",
> @@ -2978,6 +2979,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha,
> void *piomb)
> port_id, phy_id, link_rate, portstate));
>
> port->port_state = portstate;
> + phy->phy_state = PHY_STATE_LINK_UP_SPCV;
> port->port_attached = 1;
> pm8001_get_lrate_mode(phy, link_rate);
> phy->phy_type |= PORT_TYPE_SATA;
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h
> b/drivers/scsi/pm8001/pm80xx_hwi.h
> index c86816b..9970a38 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.h
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.h
> @@ -215,6 +215,8 @@
> #define SAS_DOPNRJT_RTRY_TMO 128
> #define SAS_COPNRJT_RTRY_TMO 128
>
> +/* for phy state */
> +#define PHY_STATE_LINK_UP_SPCV 0x2
> /*
> Making ORR bigger than IT NEXUS LOSS which is 2000000us = 2 second.
> Assuming a bigger value 3 second, 3000000/128 = 23437.5 where 128
>
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