From: Marcel Ziswiler marcel.ziswiler@toradex.com
Make tegra_pcie_port_reset() a weak function with an explicit index parameter. This allows overriding the PCIe port reset functionality from board specific code as e.g. required for Apalis TK1.
Signed-off-by: Marcel Ziswiler marcel.ziswiler@toradex.com ---
drivers/pci/pci_tegra.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/pci_tegra.c b/drivers/pci/pci_tegra.c index cb5cf8b..d373a88 100644 --- a/drivers/pci/pci_tegra.c +++ b/drivers/pci/pci_tegra.c @@ -893,7 +893,8 @@ static unsigned long tegra_pcie_port_get_pex_ctrl(struct tegra_pcie_port *port) return ret; }
-static void tegra_pcie_port_reset(struct tegra_pcie_port *port) +void __weak tegra_pcie_port_reset(struct tegra_pcie_port *port, + unsigned int index) { unsigned long ctrl = tegra_pcie_port_get_pex_ctrl(port); unsigned long value; @@ -928,7 +929,7 @@ static void tegra_pcie_port_enable(struct tegra_pcie_port *port)
afi_writel(pcie, value, ctrl);
- tegra_pcie_port_reset(port); + tegra_pcie_port_reset(port, port->index);
if (soc->force_pca_enable) { value = rp_readl(port, RP_VEND_CTL2); @@ -979,7 +980,7 @@ static bool tegra_pcie_port_check_link(struct tegra_pcie_port *port) } while (--timeout);
retry: - tegra_pcie_port_reset(port); + tegra_pcie_port_reset(port, port->index); } while (--retries);
return false;