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authorTakashi Iwai <tiwai@suse.de>2022-12-22 11:11:48 +0300
committerTakashi Iwai <tiwai@suse.de>2022-12-22 11:11:48 +0300
commit2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch)
treef711bc9cab45f4963e4883ef15ff4c54a6cbc12e /drivers/pci/controller/pci-tegra.c
parentb47068b4aa53a57552398e3f60d0ed1918700c2b (diff)
parentee0b089d660021792e4ab4dda191b097ce1e964f (diff)
downloadlinux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.xz
Merge branch 'for-next' into for-linus
Diffstat (limited to 'drivers/pci/controller/pci-tegra.c')
-rw-r--r--drivers/pci/controller/pci-tegra.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 24478ae5a345..8e323e93be91 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -415,6 +415,13 @@ 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)
@@ -436,9 +443,7 @@ static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus,
unsigned int offset;
u32 base;
- offset = PCI_CONF1_EXT_ADDRESS(bus->number, PCI_SLOT(devfn),
- PCI_FUNC(devfn), where) &
- ~PCI_CONF1_ENABLE;
+ offset = tegra_pcie_conf_offset(bus->number, devfn, where);
/* move 4 KiB window to offset within the FPCI region */
base = 0xfe100000 + ((offset & ~(SZ_4K - 1)) >> 8);