summaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/controller/pci-tegra.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 8e323e93be91..24478ae5a345 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -415,13 +415,6 @@ static inline u32 pads_readl(struct tegra_pcie *pcie, unsigned long offset)
* address (access to which generates correct config transaction) falls in
* this 4 KiB region.
*/
-static unsigned int tegra_pcie_conf_offset(u8 bus, unsigned int devfn,
- unsigned int where)
-{
- return ((where & 0xf00) << 16) | (bus << 16) | (PCI_SLOT(devfn) << 11) |
- (PCI_FUNC(devfn) << 8) | (where & 0xff);
-}
-
static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus,
unsigned int devfn,
int where)
@@ -443,7 +436,9 @@ static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus,
unsigned int offset;
u32 base;
- offset = tegra_pcie_conf_offset(bus->number, devfn, where);
+ offset = PCI_CONF1_EXT_ADDRESS(bus->number, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), where) &
+ ~PCI_CONF1_ENABLE;
/* move 4 KiB window to offset within the FPCI region */
base = 0xfe100000 + ((offset & ~(SZ_4K - 1)) >> 8);