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[SCSI] megaraid_sas: Remove MSI-X black list, use MFI_REG_STATE instead

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This patch for megaraid_sas removes the MSI-X black list and uses
MFI_REG_STATE.ready.msiEnable instead.

Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
This commit is contained in:
adam radford 2011-05-11 18:33:47 -07:00 committed by James Bottomley
parent bb650a1bef
commit 3f1abce4ab
1 changed files with 12 additions and 13 deletions
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25
drivers/scsi/megaraid/megaraid_sas_base.c
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@ -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:
{