Commit 733f3d13 authored by Mika Westerberg's avatar Mika Westerberg Committed by Bjorn Helgaas
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PCI: Convert Downstream Port Containment driver to use devm_* functions



Use the device resource management (devm) interfaces so we don't need to
explicitly release resources on failure paths or when the driver is
removed.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarKeith Busch <keith.busch@intel.com>
parent af8c34ce
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+4 −9
Original line number Diff line number Diff line
@@ -89,7 +89,7 @@ static int dpc_probe(struct pcie_device *dev)
	int status;
	u16 ctl, cap;

	dpc = kzalloc(sizeof(*dpc), GFP_KERNEL);
	dpc = devm_kzalloc(&dev->device, sizeof(*dpc), GFP_KERNEL);
	if (!dpc)
		return -ENOMEM;

@@ -98,11 +98,12 @@ static int dpc_probe(struct pcie_device *dev)
	INIT_WORK(&dpc->work, interrupt_event_handler);
	set_service_data(dev, dpc);

	status = request_irq(dev->irq, dpc_irq, IRQF_SHARED, "pcie-dpc", dpc);
	status = devm_request_irq(&dev->device, dev->irq, dpc_irq, IRQF_SHARED,
				  "pcie-dpc", dpc);
	if (status) {
		dev_warn(&dev->device, "request IRQ%d failed: %d\n", dev->irq,
			 status);
		goto out;
		return status;
	}

	pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CAP, &cap);
@@ -117,9 +118,6 @@ static int dpc_probe(struct pcie_device *dev)
		FLAG(cap, PCI_EXP_DPC_CAP_SW_TRIGGER), (cap >> 8) & 0xf,
		FLAG(cap, PCI_EXP_DPC_CAP_DL_ACTIVE));
	return status;
 out:
	kfree(dpc);
	return status;
}

static void dpc_remove(struct pcie_device *dev)
@@ -131,9 +129,6 @@ static void dpc_remove(struct pcie_device *dev)
	pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, &ctl);
	ctl &= ~(PCI_EXP_DPC_CTL_EN_NONFATAL | PCI_EXP_DPC_CTL_INT_EN);
	pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, ctl);

	free_irq(dev->irq, dpc);
	kfree(dpc);
}

static struct pcie_port_service_driver dpcdriver = {