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path: root/drivers/pci/controller
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-rw-r--r--drivers/pci/controller/dwc/pcie-designware-host.c21
-rw-r--r--drivers/pci/controller/dwc/pcie-designware.h1
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 479ab6cadbac..9127b1a57bc1 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -354,13 +354,14 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp)
pp->num_vectors = MSI_DEF_NUM_VECTORS;
} else if (pp->num_vectors > MAX_MSI_IRQS) {
dev_err(dev, "Invalid number of vectors\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_deinit_host;
}
if (pp->ops->msi_host_init) {
ret = pp->ops->msi_host_init(pp);
if (ret < 0)
- return ret;
+ goto err_deinit_host;
} else if (pp->has_msi_ctrl) {
u32 ctrl, num_ctrls;
@@ -372,8 +373,10 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp)
pp->msi_irq = platform_get_irq_byname_optional(pdev, "msi");
if (pp->msi_irq < 0) {
pp->msi_irq = platform_get_irq(pdev, 0);
- if (pp->msi_irq < 0)
- return pp->msi_irq;
+ if (pp->msi_irq < 0) {
+ ret = pp->msi_irq;
+ goto err_deinit_host;
+ }
}
}
@@ -381,7 +384,7 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp)
ret = dw_pcie_allocate_domains(pp);
if (ret)
- return ret;
+ goto err_deinit_host;
if (pp->msi_irq > 0)
irq_set_chained_handler_and_data(pp->msi_irq,
@@ -434,6 +437,11 @@ err_stop_link:
err_free_msi:
if (pp->has_msi_ctrl)
dw_pcie_free_msi(pp);
+
+err_deinit_host:
+ if (pp->ops->host_deinit)
+ pp->ops->host_deinit(pp);
+
return ret;
}
EXPORT_SYMBOL_GPL(dw_pcie_host_init);
@@ -449,6 +457,9 @@ void dw_pcie_host_deinit(struct dw_pcie_rp *pp)
if (pp->has_msi_ctrl)
dw_pcie_free_msi(pp);
+
+ if (pp->ops->host_deinit)
+ pp->ops->host_deinit(pp);
}
EXPORT_SYMBOL_GPL(dw_pcie_host_deinit);
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index d247f227464c..7f1c00fa084d 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -200,6 +200,7 @@ enum dw_pcie_device_mode {
struct dw_pcie_host_ops {
int (*host_init)(struct dw_pcie_rp *pp);
+ void (*host_deinit)(struct dw_pcie_rp *pp);
int (*msi_host_init)(struct dw_pcie_rp *pp);
};