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PCI: dwc: designware: Handle ->host_init() failures

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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>
This commit is contained in:
Bjorn Andersson
2017-07-15 23:39:45 -07:00
committed by Bjorn Helgaas
parent e9be4d7861
commit 4a301766f5
13 changed files with 47 additions and 18 deletions
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4
drivers/pci/dwc/pci-imx6.c
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@@ -636,7 +636,7 @@ err_reset_phy:
return ret;
}
static void imx6_pcie_host_init(struct pcie_port *pp)
static int imx6_pcie_host_init(struct pcie_port *pp)
{
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
struct imx6_pcie *imx6_pcie = to_imx6_pcie(pci);
@@ -649,6 +649,8 @@ static void imx6_pcie_host_init(struct pcie_port *pp)
if (IS_ENABLED(CONFIG_PCI_MSI))
dw_pcie_msi_init(pp);
return 0;
}
static int imx6_pcie_link_up(struct dw_pcie *pci)