From 4a301766f5263dd94c1b95d1b1bbdf338afb1a37 Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Sat, 15 Jul 2017 23:39:45 -0700 Subject: PCI: dwc: designware: Handle ->host_init() failures In several dwc-based drivers, ->host_init() can fail, so make sure to propagate and handle this to avoid continuing operation of a driver or hardware in an invalid state. Signed-off-by: Bjorn Andersson Signed-off-by: Bjorn Helgaas Acked-by: Joao Pinto Acked-by: Jingoo Han --- drivers/pci/dwc/pci-exynos.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/pci/dwc/pci-exynos.c') diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c index c78c06552590..f77f872e8b78 100644 --- a/drivers/pci/dwc/pci-exynos.c +++ b/drivers/pci/dwc/pci-exynos.c @@ -581,13 +581,15 @@ static int exynos_pcie_link_up(struct dw_pcie *pci) return 0; } -static void exynos_pcie_host_init(struct pcie_port *pp) +static int exynos_pcie_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); struct exynos_pcie *ep = to_exynos_pcie(pci); exynos_pcie_establish_link(ep); exynos_pcie_enable_interrupts(ep); + + return 0; } static const struct dw_pcie_host_ops exynos_pcie_host_ops = { -- cgit