[SCSI] pm80xx: Resetting the phy state.
authorNikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>
Wed, 30 Oct 2013 10:53:47 +0000 (16:23 +0530)
committerJames Bottomley <JBottomley@Parallels.com>
Mon, 2 Dec 2013 18:35:52 +0000 (10:35 -0800)
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: Nikith.Ganigarakoppal@pmcs.com
Signed-off-by: Anandkumar.Santhanam@pmcs.com
Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/pm8001/pm8001_hwi.c
drivers/scsi/pm8001/pm8001_hwi.h
drivers/scsi/pm8001/pm80xx_hwi.c
drivers/scsi/pm8001/pm80xx_hwi.h

index f16ece9..0a1296a 100644 (file)
@@ -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;
index 6d91e24..e4867e6 100644 (file)
 #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{
index 8987b17..c950dc5 100644 (file)
@@ -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;
index c86816b..9970a38 100644 (file)
 #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