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PCI,parisc: Enable 64-bit bus addresses on PA-RISC 

Commit 3a9ad0b ("PCI: Add pci_bus_addr_t") unconditionally introduced usage of
64-bit PCI bus addresses on all 64-bit platforms which broke PA-RISC.

It turned out that due to enabling the 64-bit addresses, the PCI logic decided
to use the GMMIO instead of the LMMIO region. This commit simply disables
registering the GMMIO and thus we fall back to use the LMMIO region as before.

Reverts commit 45ea2a5fed
("PCI: Don't use 64-bit bus addresses on PA-RISC")

To: linux-parisc@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Meelis Roos <mroos@linux.ee>
Cc: stable@vger.kernel.org  # v3.19+
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2015-09-02 18:17:29 +02:00
parent 38d9029a65
commit e02a653e15
2 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/parisc/lba_pci.c
View File

@ -1555,8 +1555,11 @@ lba_driver_probe(struct parisc_device *dev)
if (lba_dev->hba.lmmio_space.flags)
pci_add_resource_offset(&resources, &lba_dev->hba.lmmio_space,
lba_dev->hba.lmmio_space_offset);
if (lba_dev->hba.gmmio_space.flags)
pci_add_resource(&resources, &lba_dev->hba.gmmio_space);
if (lba_dev->hba.gmmio_space.flags) {
/* pci_add_resource(&resources, &lba_dev->hba.gmmio_space); */
pr_warn("LBA: Not registering GMMIO space %pR\n",
&lba_dev->hba.gmmio_space);
}
pci_add_resource(&resources, &lba_dev->hba.bus_num);

2
drivers/pci/Kconfig
View File

@ -2,7 +2,7 @@
# PCI configuration
#
config PCI_BUS_ADDR_T_64BIT
def_bool y if (ARCH_DMA_ADDR_T_64BIT || (64BIT && !PARISC))
def_bool y if (ARCH_DMA_ADDR_T_64BIT || 64BIT)
depends on PCI
config PCI_MSI