staging: xillybus: Use devm_ API on probe and remove
Suggested-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/xillybus/xillybus_pcie.c b/drivers/staging/xillybus/xillybus_pcie.c
index 51426d8..a4fe51c 100644
--- a/drivers/staging/xillybus/xillybus_pcie.c
+++ b/drivers/staging/xillybus/xillybus_pcie.c
@@ -141,38 +141,32 @@
pci_set_drvdata(pdev, endpoint);
- rc = pci_enable_device(pdev);
+ rc = pcim_enable_device(pdev);
+
+ if (rc) {
+ dev_err(endpoint->dev,
+ "pcim_enable_device() failed. Aborting.\n");
+ return rc;
+ }
/* L0s has caused packet drops. No power saving, thank you. */
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S);
- if (rc) {
- dev_err(endpoint->dev,
- "pci_enable_device() failed. Aborting.\n");
- goto no_enable;
- }
-
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
dev_err(endpoint->dev,
"Incorrect BAR configuration. Aborting.\n");
- rc = -ENODEV;
- goto bad_bar;
+ return -ENODEV;
}
- rc = pci_request_regions(pdev, xillyname);
+ rc = pcim_iomap_regions(pdev, 0x01, xillyname);
if (rc) {
dev_err(endpoint->dev,
- "pci_request_regions() failed. Aborting.\n");
- goto failed_request_regions;
+ "pcim_iomap_regions() failed. Aborting.\n");
+ return rc;
}
- endpoint->registers = pci_iomap(pdev, 0, 128);
- if (!endpoint->registers) {
- dev_err(endpoint->dev, "Failed to map BAR 0. Aborting.\n");
- rc = -EIO;
- goto failed_iomap0;
- }
+ endpoint->registers = pcim_iomap_table(pdev)[0];
pci_set_master(pdev);
@@ -180,16 +174,15 @@
if (pci_enable_msi(pdev)) {
dev_err(endpoint->dev,
"Failed to enable MSI interrupts. Aborting.\n");
- rc = -ENODEV;
- goto failed_enable_msi;
+ return -ENODEV;
}
- rc = request_irq(pdev->irq, xillybus_isr, 0, xillyname, endpoint);
+ rc = devm_request_irq(&pdev->dev, pdev->irq, xillybus_isr, 0,
+ xillyname, endpoint);
if (rc) {
dev_err(endpoint->dev,
"Failed to register MSI handler. Aborting.\n");
- rc = -ENODEV;
- goto failed_register_msi;
+ return -ENODEV;
}
/*
@@ -203,8 +196,7 @@
endpoint->dma_using_dac = 0;
else {
dev_err(endpoint->dev, "Failed to set DMA mask. Aborting.\n");
- rc = -ENODEV;
- goto failed_dmamask;
+ return -ENODEV;
}
rc = xillybus_endpoint_discovery(endpoint);
@@ -212,22 +204,8 @@
if (!rc)
return 0;
-failed_dmamask:
- free_irq(pdev->irq, endpoint);
-failed_register_msi:
- pci_disable_msi(pdev);
-failed_enable_msi:
- /* pci_clear_master(pdev); Nobody else seems to do this */
- pci_iounmap(pdev, endpoint->registers);
-failed_iomap0:
- pci_release_regions(pdev);
-failed_request_regions:
-bad_bar:
- pci_disable_device(pdev);
-no_enable:
xillybus_do_cleanup(&endpoint->cleanup, endpoint);
- kfree(endpoint);
return rc;
}
@@ -237,16 +215,7 @@
xillybus_endpoint_remove(endpoint);
- free_irq(pdev->irq, endpoint);
-
- pci_disable_msi(pdev);
- pci_iounmap(pdev, endpoint->registers);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
-
xillybus_do_cleanup(&endpoint->cleanup, endpoint);
-
- kfree(endpoint);
}
MODULE_DEVICE_TABLE(pci, xillyids);