diff options
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 89c623ebadbc..19a55032218f 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3454,7 +3454,7 @@ static int megasas_init_fw(struct megasas_instance *instance) { u32 max_sectors_1; u32 max_sectors_2; - u32 tmp_sectors; + u32 tmp_sectors, msix_enable; struct megasas_register_set __iomem *reg_set; struct megasas_ctrl_info *ctrl_info; unsigned long bar_list; @@ -3507,6 +3507,13 @@ static int megasas_init_fw(struct megasas_instance *instance) if (megasas_transition_to_ready(instance)) goto fail_ready_state; + /* Check if MSI-X is supported while in ready state */ + msix_enable = (instance->instancet->read_fw_status_reg(reg_set) & + 0x4000000) >> 0x1a; + if (msix_enable && !msix_disable && + !pci_enable_msix(instance->pdev, &instance->msixentry, 1)) + instance->msi_flag = 1; + /* Get operational params, sge flags, send init cmd to controller */ if (instance->instancet->init_adapter(instance)) goto fail_init_adapter; @@ -4076,14 +4083,6 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) else INIT_WORK(&instance->work_init, process_fw_state_change_wq); - /* Try to enable MSI-X */ - if ((instance->pdev->device != PCI_DEVICE_ID_LSI_SAS1078R) && - (instance->pdev->device != PCI_DEVICE_ID_LSI_SAS1078DE) && - (instance->pdev->device != PCI_DEVICE_ID_LSI_VERDE_ZCR) && - !msix_disable && !pci_enable_msix(instance->pdev, - &instance->msixentry, 1)) - instance->msi_flag = 1; - /* * Initialize MFI Firmware */ @@ -4332,10 +4331,6 @@ megasas_resume(struct pci_dev *pdev) if (megasas_set_dma_mask(pdev)) goto fail_set_dma_mask; - /* Now re-enable MSI-X */ - if (instance->msi_flag) - pci_enable_msix(instance->pdev, &instance->msixentry, 1); - /* * Initialize MFI Firmware */ @@ -4348,6 +4343,10 @@ megasas_resume(struct pci_dev *pdev) if (megasas_transition_to_ready(instance)) goto fail_ready_state; + /* Now re-enable MSI-X */ + if (instance->msi_flag) + pci_enable_msix(instance->pdev, &instance->msixentry, 1); + switch (instance->pdev->device) { case PCI_DEVICE_ID_LSI_FUSION: { |