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path: root/drivers/pci/msi.c
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Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 9c69b6966e79..3ec558dc6523 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -453,9 +453,11 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type)
453 /* Set enabled bits to single MSI & enable MSI_enable bit */ 453 /* Set enabled bits to single MSI & enable MSI_enable bit */
454 msi_enable(control, 1); 454 msi_enable(control, 1);
455 pci_write_config_word(dev, msi_control_reg(pos), control); 455 pci_write_config_word(dev, msi_control_reg(pos), control);
456 dev->msi_enabled = 1;
456 } else { 457 } else {
457 msix_enable(control); 458 msix_enable(control);
458 pci_write_config_word(dev, msi_control_reg(pos), control); 459 pci_write_config_word(dev, msi_control_reg(pos), control);
460 dev->msix_enabled = 1;
459 } 461 }
460 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) { 462 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
461 /* PCI Express Endpoint device detected */ 463 /* PCI Express Endpoint device detected */
@@ -472,9 +474,11 @@ void disable_msi_mode(struct pci_dev *dev, int pos, int type)
472 /* Set enabled bits to single MSI & enable MSI_enable bit */ 474 /* Set enabled bits to single MSI & enable MSI_enable bit */
473 msi_disable(control); 475 msi_disable(control);
474 pci_write_config_word(dev, msi_control_reg(pos), control); 476 pci_write_config_word(dev, msi_control_reg(pos), control);
477 dev->msi_enabled = 0;
475 } else { 478 } else {
476 msix_disable(control); 479 msix_disable(control);
477 pci_write_config_word(dev, msi_control_reg(pos), control); 480 pci_write_config_word(dev, msi_control_reg(pos), control);
481 dev->msix_enabled = 0;
478 } 482 }
479 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) { 483 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
480 /* PCI Express Endpoint device detected */ 484 /* PCI Express Endpoint device detected */
@@ -549,7 +553,6 @@ int pci_save_msi_state(struct pci_dev *dev)
549 pci_read_config_dword(dev, pos + PCI_MSI_DATA_32, &cap[i++]); 553 pci_read_config_dword(dev, pos + PCI_MSI_DATA_32, &cap[i++]);
550 if (control & PCI_MSI_FLAGS_MASKBIT) 554 if (control & PCI_MSI_FLAGS_MASKBIT)
551 pci_read_config_dword(dev, pos + PCI_MSI_MASK_BIT, &cap[i++]); 555 pci_read_config_dword(dev, pos + PCI_MSI_MASK_BIT, &cap[i++]);
552 disable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
553 save_state->cap_nr = PCI_CAP_ID_MSI; 556 save_state->cap_nr = PCI_CAP_ID_MSI;
554 pci_add_saved_cap(dev, save_state); 557 pci_add_saved_cap(dev, save_state);
555 return 0; 558 return 0;
@@ -639,7 +642,6 @@ int pci_save_msix_state(struct pci_dev *dev)
639 } 642 }
640 dev->irq = temp; 643 dev->irq = temp;
641 644
642 disable_msi_mode(dev, pos, PCI_CAP_ID_MSIX);
643 save_state->cap_nr = PCI_CAP_ID_MSIX; 645 save_state->cap_nr = PCI_CAP_ID_MSIX;
644 pci_add_saved_cap(dev, save_state); 646 pci_add_saved_cap(dev, save_state);
645 return 0; 647 return 0;