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pci-v6.1-fixes-2

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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"
This commit is contained in:
Linus Torvalds 2022-10-22 15:52:36 -07:00
commit fd79882ff2
2 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
MAINTAINERS
View File

@ -15849,7 +15849,7 @@ F: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
F: drivers/pci/controller/dwc/*designware*
PCI DRIVER FOR TI DRA7XX/J721E
M: Kishon Vijay Abraham I <kishon@ti.com>
M: Vignesh Raghavendra <vigneshr@ti.com>
L: linux-omap@vger.kernel.org
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@ -15866,10 +15866,10 @@ F: Documentation/devicetree/bindings/pci/v3-v360epc-pci.txt
F: drivers/pci/controller/pci-v3-semi.c
PCI ENDPOINT SUBSYSTEM
M: Kishon Vijay Abraham I <kishon@ti.com>
M: Lorenzo Pieralisi <lpieralisi@kernel.org>
R: Krzysztof Wilczyński <kw@linux.com>
R: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
R: Kishon Vijay Abraham I <kishon@kernel.org>
L: linux-pci@vger.kernel.org
S: Supported
Q: https://patchwork.kernel.org/project/linux-pci/list/

11
drivers/pci/controller/pci-tegra.c
View File

@ -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);