From: Deepak Ukey deepak.ukey@microchip.com
commit 196ba6629cf95e51403337235d09742fcdc3febd upstream.
Disabling the SATA drive interface cause kernel panic. When the drive Interface is disabled, device should be deregistered after aborting all pending I/Os. Also changed the port recovery timeout to 10000 ms for PM8006 controller.
Signed-off-by: Deepak Ukey deepak.ukey@microchip.com Signed-off-by: Viswas G Viswas.G@microchip.com Reviewed-by: Jack Wang jinpu.wang@cloud.ionos.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/scsi/pm8001/pm8001_sas.c | 6 +++++- drivers/scsi/pm8001/pm80xx_hwi.c | 2 +- drivers/scsi/pm8001/pm80xx_hwi.h | 2 ++ 3 files changed, 8 insertions(+), 2 deletions(-)
--- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -866,6 +866,8 @@ static void pm8001_dev_gone_notify(struc spin_unlock_irqrestore(&pm8001_ha->lock, flags); pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev , dev, 1, 0); + while (pm8001_dev->running_req) + msleep(20); spin_lock_irqsave(&pm8001_ha->lock, flags); } PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id); @@ -1238,8 +1240,10 @@ int pm8001_abort_task(struct sas_task *t PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Waiting for Port reset\n")); wait_for_completion(&completion_reset); - if (phy->port_reset_status) + if (phy->port_reset_status) { + pm8001_dev_gone_notify(dev); goto out; + }
/* * 4. SATA Abort ALL --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -604,7 +604,7 @@ static void update_main_config_table(str pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0x0000ffff; pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |= - 0x140000; + CHIP_8006_PORT_RECOVERY_TIMEOUT; } pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER, pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer); --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -228,6 +228,8 @@ #define SAS_MAX_AIP 0x200000 #define IT_NEXUS_TIMEOUT 0x7D0 #define PORT_RECOVERY_TIMEOUT ((IT_NEXUS_TIMEOUT/100) + 30) +/* Port recovery timeout, 10000 ms for PM8006 controller */ +#define CHIP_8006_PORT_RECOVERY_TIMEOUT 0x640000
#ifdef __LITTLE_ENDIAN_BITFIELD struct sas_identify_frame_local {