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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-23 01:52:36 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-23 01:52:36 +0300 |
| commit | fd79882ff281776260849b658d41fc06553e7fea (patch) | |
| tree | 91349cfc329cad98a5f9a43069d6b2f92f3372e6 /drivers | |
| parent | 3272eb1ace32627d0ba1d20373fae246f46770ca (diff) | |
| parent | e6aa4edd2f5b07fdc41de287876dd98c6e44322b (diff) | |
| download | linux-fd79882ff281776260849b658d41fc06553e7fea.tar.xz | |
Merge tag 'pci-v6.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci fixes from Bjorn Helgaas:
- Revert a simplification that broke pci-tegra due to a masking error
- Update MAINTAINERS for Kishon's email address change and TI
DRA7XX/J721E maintainer change
* tag 'pci-v6.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
MAINTAINERS: Update Kishon's email address in PCI endpoint subsystem
MAINTAINERS: Add Vignesh Raghavendra as maintainer of TI DRA7XX/J721E PCI driver
Revert "PCI: tegra: Use PCI_CONF1_EXT_ADDRESS() macro"
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/controller/pci-tegra.c | 11 |
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); |