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authorBjorn Andersson <bjorn.andersson@linaro.org>2017-07-15 23:39:45 -0700
committerBjorn Helgaas <bhelgaas@google.com>2017-08-03 16:14:32 -0500
commit4a301766f5263dd94c1b95d1b1bbdf338afb1a37 (patch)
tree9013a6e5a8441611534df7db0c4ecb5fbb80b880 /drivers/pci/dwc/pci-keystone.c
parente9be4d78618af2e0d5592d9556cf0bba210cfd1a (diff)
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-keystone.c')
-rw-r--r--drivers/pci/dwc/pci-keystone.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/dwc/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c
index 4783cec1f78d..3ad3f8aa27b0 100644
--- a/drivers/pci/dwc/pci-keystone.c
+++ b/drivers/pci/dwc/pci-keystone.c
@@ -261,7 +261,7 @@ static int keystone_pcie_fault(unsigned long addr, unsigned int fsr,
return 0;
}
-static void __init ks_pcie_host_init(struct pcie_port *pp)
+static int __init ks_pcie_host_init(struct pcie_port *pp)
{
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
struct keystone_pcie *ks_pcie = to_keystone_pcie(pci);
@@ -289,6 +289,8 @@ static void __init ks_pcie_host_init(struct pcie_port *pp)
*/
hook_fault_code(17, keystone_pcie_fault, SIGBUS, 0,
"Asynchronous external abort");
+
+ return 0;
}
static const struct dw_pcie_host_ops keystone_pcie_host_ops = {