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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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7
drivers/pci/dwc/pcie-designware-host.c
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@@ -401,8 +401,11 @@ int dw_pcie_host_init(struct pcie_port *pp)
}
}
if (pp->ops->host_init)
pp->ops->host_init(pp);
if (pp->ops->host_init) {
ret = pp->ops->host_init(pp);
if (ret)
goto error;
}
pp->root_bus_nr = pp->busn->start;