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author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-07-15 23:39:45 -0700 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-08-03 16:14:32 -0500 |
commit | 4a301766f5263dd94c1b95d1b1bbdf338afb1a37 (patch) | |
tree | 9013a6e5a8441611534df7db0c4ecb5fbb80b880 /drivers/pci/dwc/pci-dra7xx.c | |
parent | e9be4d78618af2e0d5592d9556cf0bba210cfd1a (diff) | |
download | linux-4a301766f5263dd94c1b95d1b1bbdf338afb1a37.tar.bz2 |
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/pci-dra7xx.c')
-rw-r--r-- | drivers/pci/dwc/pci-dra7xx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c index f2fc5f47064e..e8c13bb76169 100644 --- a/drivers/pci/dwc/pci-dra7xx.c +++ b/drivers/pci/dwc/pci-dra7xx.c @@ -195,7 +195,7 @@ static void dra7xx_pcie_enable_interrupts(struct dra7xx_pcie *dra7xx) dra7xx_pcie_enable_msi_interrupts(dra7xx); } -static void dra7xx_pcie_host_init(struct pcie_port *pp) +static int dra7xx_pcie_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci); @@ -206,6 +206,8 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp) dw_pcie_wait_for_link(pci); dw_pcie_msi_init(pp); dra7xx_pcie_enable_interrupts(dra7xx); + + return 0; } static const struct dw_pcie_host_ops dra7xx_pcie_host_ops = { |