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| author | Bjorn Andersson | 2017-07-16 08:39:45 +0200 |
|---|---|---|
| committer | Bjorn Helgaas | 2017-08-03 23:14:32 +0200 |
| commit | 4a301766f5263dd94c1b95d1b1bbdf338afb1a37 (patch) | |
| tree | 9013a6e5a8441611534df7db0c4ecb5fbb80b880 /drivers/pci/dwc/pcie-designware-plat.c | |
| parent | PCI: dwc: designware: Test PCIE_ATU_ENABLE bit specifically (diff) | |
| download | kernel-qcow2-linux-4a301766f5263dd94c1b95d1b1bbdf338afb1a37.tar.gz kernel-qcow2-linux-4a301766f5263dd94c1b95d1b1bbdf338afb1a37.tar.xz kernel-qcow2-linux-4a301766f5263dd94c1b95d1b1bbdf338afb1a37.zip | |
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 <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Diffstat (limited to 'drivers/pci/dwc/pcie-designware-plat.c')
| -rw-r--r-- | drivers/pci/dwc/pcie-designware-plat.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c index 091b4e7ad059..168e2380f493 100644 --- a/drivers/pci/dwc/pcie-designware-plat.c +++ b/drivers/pci/dwc/pcie-designware-plat.c @@ -35,7 +35,7 @@ static irqreturn_t dw_plat_pcie_msi_irq_handler(int irq, void *arg) return dw_handle_msi_irq(pp); } -static void dw_plat_pcie_host_init(struct pcie_port *pp) +static int dw_plat_pcie_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); @@ -44,6 +44,8 @@ static void dw_plat_pcie_host_init(struct pcie_port *pp) if (IS_ENABLED(CONFIG_PCI_MSI)) dw_pcie_msi_init(pp); + + return 0; } static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = { |