[PATCH] PCI: remove unneeded msi code

The code is really not needed.
Roland Dreier/Greg KH removed the release_mem_region() calls that
were the only consumers of phys_addr:
	http://www.ussg.iu.edu/hypermail/linux/kernel/0503.0/1540.html

patch below deletes the "dead" code.

Signed-off-by: Grant Grundler <iod00d@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a81c5b9..7f84292 100644 (file)
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1060,33 +1060,8 @@ static int msi_free_vector(struct pci_dev* dev, int vector, int reassign)
                                entry_nr * PCI_MSIX_ENTRY_SIZE +
                                PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET);
 
-               if (head == vector) {
-                       /*
-                        * Detect last MSI-X vector to be released.
-                        * Release the MSI-X memory-mapped table.
-                        */
-#if 0
-                       int pos, nr_entries;
-                       unsigned long phys_addr;
-                       u32 table_offset;
-                       u16 control;
-                       u8 bir;
-
-                       pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
-                       pci_read_config_word(dev, msi_control_reg(pos),
-                               &control);
-                       nr_entries = multi_msix_capable(control);
-                       pci_read_config_dword(dev, msix_table_offset_reg(pos),
-                               &table_offset);
-                       bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
-                       table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
-                       phys_addr = pci_resource_start(dev, bir) + table_offset;
-/*
- * FIXME!  and what did you want to do with phys_addr?
- */
-#endif
+               if (head == vector)
                        iounmap(base);
-               }
        }
 
        return 0;
@@ -1360,24 +1335,6 @@ void msi_remove_pci_irq_vectors(struct pci_dev* dev)
                }
                msi_free_vector(dev, vector, 0);
                if (warning) {
-                       /* Force to release the MSI-X memory-mapped table */
-#if 0
-                       unsigned long phys_addr;
-                       u32 table_offset;
-                       u16 control;
-                       u8 bir;
-
-                       pci_read_config_word(dev, msi_control_reg(pos),
-                               &control);
-                       pci_read_config_dword(dev, msix_table_offset_reg(pos),
-                               &table_offset);
-                       bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
-                       table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
-                       phys_addr = pci_resource_start(dev, bir) + table_offset;
-/*
- * FIXME! and what did you want to do with phys_addr?
- */
-#endif
                        iounmap(base);
                        printk(KERN_WARNING "PCI: %s: msi_remove_pci_irq_vectors() "
                               "called without free_irq() on all MSI-X vectors\n",