From 058a8facfe1ee091b7188661937240fd0d950cf4 Mon Sep 17 00:00:00 2001 From: adam radford Date: Sat, 8 Oct 2011 18:14:27 -0700 Subject: [PATCH] [SCSI] megaraid_sas: Continue booting immediately if FW in FAULT at driver load time Signed-off-by: Adam Radford Signed-off-by: James Bottomley --- drivers/scsi/megaraid/megaraid_sas_base.c | 20 +++++++++++--------- drivers/scsi/megaraid/megaraid_sas_fusion.c | 4 ++-- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 776d01988660..9d5a14a2c5b1 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -84,7 +84,7 @@ MODULE_VERSION(MEGASAS_VERSION); MODULE_AUTHOR("megaraidlinux@lsi.com"); MODULE_DESCRIPTION("LSI MegaRAID SAS Driver"); -int megasas_transition_to_ready(struct megasas_instance *instance); +int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); static int megasas_get_pd_list(struct megasas_instance *instance); static int megasas_issue_init_mfi(struct megasas_instance *instance); static int megasas_register_aen(struct megasas_instance *instance, @@ -2477,7 +2477,7 @@ process_fw_state_change_wq(struct work_struct *work) msleep(1000); } - if (megasas_transition_to_ready(instance)) { + if (megasas_transition_to_ready(instance, 1)) { printk(KERN_NOTICE "megaraid_sas:adapter not ready\n"); megaraid_sas_kill_hba(instance); @@ -2617,7 +2617,7 @@ static irqreturn_t megasas_isr(int irq, void *devp) * has to wait for the ready state. */ int -megasas_transition_to_ready(struct megasas_instance* instance) +megasas_transition_to_ready(struct megasas_instance *instance, int ocr) { int i; u8 max_wait; @@ -2639,11 +2639,13 @@ megasas_transition_to_ready(struct megasas_instance* instance) switch (fw_state) { case MFI_STATE_FAULT: - printk(KERN_DEBUG "megasas: FW in FAULT state!!\n"); - max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_FAULT; - break; + if (ocr) { + max_wait = MEGASAS_RESET_WAIT_TIME; + cur_state = MFI_STATE_FAULT; + break; + } else + return -ENODEV; case MFI_STATE_WAIT_HANDSHAKE: /* @@ -3520,7 +3522,7 @@ static int megasas_init_fw(struct megasas_instance *instance) /* * We expect the FW state to be READY */ - if (megasas_transition_to_ready(instance)) + if (megasas_transition_to_ready(instance, 0)) goto fail_ready_state; /* Check if MSI-X is supported while in ready state */ @@ -4357,7 +4359,7 @@ megasas_resume(struct pci_dev *pdev) /* * We expect the FW state to be READY */ - if (megasas_transition_to_ready(instance)) + if (megasas_transition_to_ready(instance, 0)) goto fail_ready_state; /* Now re-enable MSI-X */ diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index f13e7abd345a..392b49d93b55 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -89,7 +89,7 @@ u8 MR_ValidateMapInfo(struct MR_FW_RAID_MAP_ALL *map, struct LD_LOAD_BALANCE_INFO *lbInfo); u16 get_updated_dev_handle(struct LD_LOAD_BALANCE_INFO *lbInfo, struct IO_REQUEST_INFO *in_info); -int megasas_transition_to_ready(struct megasas_instance *instance); +int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); void megaraid_sas_kill_hba(struct megasas_instance *instance); extern u32 megasas_dbg_lvl; @@ -2173,7 +2173,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost) } /* Wait for FW to become ready */ - if (megasas_transition_to_ready(instance)) { + if (megasas_transition_to_ready(instance, 1)) { printk(KERN_WARNING "megaraid_sas: Failed to " "transition controller to ready.\n"); continue; -- 2.39.5