diff options
| author | Changyuan Lyu <changyuanl@google.com> | 2023-04-19 19:55:02 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-05-08 13:15:38 +0200 |
| commit | 14a8f116cdc0cbfdb939f145b02173af82083b91 (patch) | |
| tree | 2049b8954697cea3f1a2920bbb0c18b85232ad28 /drivers/scsi/pm8001 | |
| parent | scsi: pm80xx: Update PHY state after hard reset (diff) | |
| download | linux-14a8f116cdc0cbfdb939f145b02173af82083b91.tar.xz linux-14a8f116cdc0cbfdb939f145b02173af82083b91.zip | |
scsi: pm80xx: Add GET_NVMD timeout during probe
Add a wait timeout to prevent the kernel from waiting for the GET_NVMD
response forever during probe. Add a check for the controller state before
issuing GET_NVMD request.
Signed-off-by: Changyuan Lyu <changyuanl@google.com>
Signed-off-by: Pranav Prasad <pranavpp@google.com>
Link: https://lore.kernel.org/r/20230419175502.919999-1-pranavpp@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_init.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index c23250aab4f9..2e886c1d867d 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -667,7 +667,7 @@ static void pm8001_post_sas_ha_init(struct Scsi_Host *shost, * Currently we just set the fixed SAS address to our HBA, for manufacture, * it should read from the EEPROM */ -static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) +static int pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) { u8 i, j; u8 sas_add[8]; @@ -680,6 +680,12 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) struct pm8001_ioctl_payload payload; u16 deviceid; int rc; + unsigned long time_remaining; + + if (PM8001_CHIP_DISP->fatal_errors(pm8001_ha)) { + pm8001_dbg(pm8001_ha, FAIL, "controller is in fatal error state\n"); + return -EIO; + } pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid); pm8001_ha->nvmd_completion = &completion; @@ -704,16 +710,23 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) payload.offset = 0; payload.func_specific = kzalloc(payload.rd_length, GFP_KERNEL); if (!payload.func_specific) { - pm8001_dbg(pm8001_ha, INIT, "mem alloc fail\n"); - return; + pm8001_dbg(pm8001_ha, FAIL, "mem alloc fail\n"); + return -ENOMEM; } rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); if (rc) { kfree(payload.func_specific); - pm8001_dbg(pm8001_ha, INIT, "nvmd failed\n"); - return; + pm8001_dbg(pm8001_ha, FAIL, "nvmd failed\n"); + return -EIO; + } + time_remaining = wait_for_completion_timeout(&completion, + msecs_to_jiffies(60*1000)); // 1 min + if (!time_remaining) { + kfree(payload.func_specific); + pm8001_dbg(pm8001_ha, FAIL, "get_nvmd_req timeout\n"); + return -EIO; } - wait_for_completion(&completion); + for (i = 0, j = 0; i <= 7; i++, j++) { if (pm8001_ha->chip_id == chip_8001) { @@ -752,6 +765,7 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr, SAS_ADDR_SIZE); #endif + return 0; } /* @@ -1167,7 +1181,8 @@ static int pm8001_pci_probe(struct pci_dev *pdev, pm80xx_set_thermal_config(pm8001_ha); } - pm8001_init_sas_add(pm8001_ha); + if (pm8001_init_sas_add(pm8001_ha)) + goto err_out_shost; /* phy setting support for motherboard controller */ rc = pm8001_configure_phy_settings(pm8001_ha); if (rc) |