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path: root/drivers/pci/controller/pci-tegra.c
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Diffstat (limited to 'drivers/pci/controller/pci-tegra.c')
-rw-r--r--drivers/pci/controller/pci-tegra.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 24478ae5a345..929f9363e94b 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);
@@ -2197,10 +2202,11 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
* and in this case fall back to using AFI per port register
* to toggle PERST# SFIO line.
*/
- rp->reset_gpio = devm_gpiod_get_from_of_node(dev, port,
- "reset-gpios", 0,
- GPIOD_OUT_LOW,
- label);
+ rp->reset_gpio = devm_fwnode_gpiod_get(dev,
+ of_fwnode_handle(port),
+ "reset",
+ GPIOD_OUT_LOW,
+ label);
if (IS_ERR(rp->reset_gpio)) {
if (PTR_ERR(rp->reset_gpio) == -ENOENT) {
rp->reset_gpio = NULL;