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[v2,3/9] PCI: keystone-dw: Use pci_alloc_intx_irqd() helper to get irq domain for INTx

Message ID 1524880160-100998-1-git-send-email-shawn.lin@rock-chips.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Shawn Lin April 28, 2018, 1:49 a.m. UTC 
Just avoid code duplication, but no functional change intended.

Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

Changes in v2: None

 drivers/pci/dwc/pci-keystone-dw.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
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Patch

diff --git a/drivers/pci/dwc/pci-keystone-dw.c b/drivers/pci/dwc/pci-keystone-dw.c
index 0682213..171198a 100644
--- a/drivers/pci/dwc/pci-keystone-dw.c
+++ b/drivers/pci/dwc/pci-keystone-dw.c
@@ -470,15 +470,11 @@  int __init ks_dw_pcie_host_init(struct keystone_pcie *ks_pcie,
 	ks_pcie->app = *res;
 
 	/* Create legacy IRQ domain */
-	ks_pcie->legacy_irq_domain =
-			irq_domain_add_linear(ks_pcie->legacy_intc_np,
-					PCI_NUM_INTX,
+	ks_pcie->legacy_irq_domain = pci_alloc_intx_irqd(dev, ks_pcie, false,
 					&ks_dw_pcie_legacy_irq_domain_ops,
-					NULL);
-	if (!ks_pcie->legacy_irq_domain) {
-		dev_err(dev, "Failed to add irq domain for legacy irqs\n");
-		return -EINVAL;
-	}
+					ks_pcie->legacy_intc_np);
+	if (IS_ERR(ks_pcie->legacy_irq_domain))
+		return PTR_ERR(ks_pcie->legacy_irq_domain);
 
 	return dw_pcie_host_init(pp);
 }