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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.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 4de1c17ee573..aea8b258b9b8 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -600,7 +600,8 @@ static int msix_capability_init(struct pci_dev *dev,
600 struct msg_address address; 600 struct msg_address address;
601 struct msg_data data; 601 struct msg_data data;
602 int vector, pos, i, j, nr_entries, temp = 0; 602 int vector, pos, i, j, nr_entries, temp = 0;
603 u32 phys_addr, table_offset; 603 unsigned long phys_addr;
604 u32 table_offset;
604 u16 control; 605 u16 control;
605 u8 bir; 606 u8 bir;
606 void __iomem *base; 607 void __iomem *base;
@@ -609,11 +610,11 @@ static int msix_capability_init(struct pci_dev *dev,
609 /* Request & Map MSI-X table region */ 610 /* Request & Map MSI-X table region */
610 pci_read_config_word(dev, msi_control_reg(pos), &control); 611 pci_read_config_word(dev, msi_control_reg(pos), &control);
611 nr_entries = multi_msix_capable(control); 612 nr_entries = multi_msix_capable(control);
612 pci_read_config_dword(dev, msix_table_offset_reg(pos), 613
613 &table_offset); 614 pci_read_config_dword(dev, msix_table_offset_reg(pos), &table_offset);
614 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK); 615 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
615 phys_addr = pci_resource_start (dev, bir); 616 table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
616 phys_addr += (u32)(table_offset & ~PCI_MSIX_FLAGS_BIRMASK); 617 phys_addr = pci_resource_start (dev, bir) + table_offset;
617 base = ioremap_nocache(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE); 618 base = ioremap_nocache(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);
618 if (base == NULL) 619 if (base == NULL)
619 return -ENOMEM; 620 return -ENOMEM;
@@ -838,8 +839,10 @@ static int msi_free_vector(struct pci_dev* dev, int vector, int reassign)
838 * Detect last MSI-X vector to be released. 839 * Detect last MSI-X vector to be released.
839 * Release the MSI-X memory-mapped table. 840 * Release the MSI-X memory-mapped table.
840 */ 841 */
842#if 0
841 int pos, nr_entries; 843 int pos, nr_entries;
842 u32 phys_addr, table_offset; 844 unsigned long phys_addr;
845 u32 table_offset;
843 u16 control; 846 u16 control;
844 u8 bir; 847 u8 bir;
845 848
@@ -850,9 +853,12 @@ static int msi_free_vector(struct pci_dev* dev, int vector, int reassign)
850 pci_read_config_dword(dev, msix_table_offset_reg(pos), 853 pci_read_config_dword(dev, msix_table_offset_reg(pos),
851 &table_offset); 854 &table_offset);
852 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK); 855 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
853 phys_addr = pci_resource_start (dev, bir); 856 table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
854 phys_addr += (u32)(table_offset & 857 phys_addr = pci_resource_start(dev, bir) + table_offset;
855 ~PCI_MSIX_FLAGS_BIRMASK); 858/*
859 * FIXME! and what did you want to do with phys_addr?
860 */
861#endif
856 iounmap(base); 862 iounmap(base);
857 } 863 }
858 } 864 }
@@ -1119,7 +1125,9 @@ void msi_remove_pci_irq_vectors(struct pci_dev* dev)
1119 msi_free_vector(dev, vector, 0); 1125 msi_free_vector(dev, vector, 0);
1120 if (warning) { 1126 if (warning) {
1121 /* Force to release the MSI-X memory-mapped table */ 1127 /* Force to release the MSI-X memory-mapped table */
1122 u32 phys_addr, table_offset; 1128#if 0
1129 unsigned long phys_addr;
1130 u32 table_offset;
1123 u16 control; 1131 u16 control;
1124 u8 bir; 1132 u8 bir;
1125 1133
@@ -1128,9 +1136,12 @@ void msi_remove_pci_irq_vectors(struct pci_dev* dev)
1128 pci_read_config_dword(dev, msix_table_offset_reg(pos), 1136 pci_read_config_dword(dev, msix_table_offset_reg(pos),
1129 &table_offset); 1137 &table_offset);
1130 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK); 1138 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
1131 phys_addr = pci_resource_start (dev, bir); 1139 table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
1132 phys_addr += (u32)(table_offset & 1140 phys_addr = pci_resource_start(dev, bir) + table_offset;
1133 ~PCI_MSIX_FLAGS_BIRMASK); 1141/*
1142 * FIXME! and what did you want to do with phys_addr?
1143 */
1144#endif
1134 iounmap(base); 1145 iounmap(base);
1135 printk(KERN_WARNING "PCI: %s: msi_remove_pci_irq_vectors() " 1146 printk(KERN_WARNING "PCI: %s: msi_remove_pci_irq_vectors() "
1136 "called without free_irq() on all MSI-X vectors\n", 1147 "called without free_irq() on all MSI-X vectors\n",