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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>
This commit is contained in:
Eli Billauer 2014-05-11 19:53:46 +03:00 committed by Greg Kroah-Hartman
parent 6d602cf17b
commit 9267462e6c
4 changed files with 27 additions and 88 deletions
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1
drivers/staging/xillybus/xillybus.h
View File

@ -116,7 +116,6 @@ struct xilly_endpoint {
*/
struct pci_dev *pdev;
struct device *dev;
struct resource res; /* OF devices only */
struct xilly_endpoint_hardware *ephw;
struct list_head ep_list;

2
drivers/staging/xillybus/xillybus_core.c
View File

@ -2094,7 +2094,7 @@ struct xilly_endpoint *xillybus_init_endpoint(struct pci_dev *pdev,
{
struct xilly_endpoint *endpoint;
endpoint = kzalloc(sizeof(*endpoint), GFP_KERNEL);
endpoint = devm_kzalloc(dev, sizeof(*endpoint), GFP_KERNEL);
if (!endpoint) {
dev_err(dev, "Failed to allocate memory. Aborting.\n");
return NULL;

47
drivers/staging/xillybus/xillybus_of.c
View File

@ -19,6 +19,7 @@
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/err.h>
#include "xillybus.h"
MODULE_DESCRIPTION("Xillybus driver for Open Firmware");
@ -123,6 +124,7 @@ static int xilly_drv_probe(struct platform_device *op)
struct xilly_endpoint *endpoint;
int rc = 0;
int irq;
struct resource res;
struct xilly_endpoint_hardware *ephw = &of_hw;
if (of_property_read_bool(dev->of_node, "dma-coherent"))
@ -135,38 +137,26 @@ static int xilly_drv_probe(struct platform_device *op)
dev_set_drvdata(dev, endpoint);
rc = of_address_to_resource(dev->of_node, 0, &endpoint->res);
rc = of_address_to_resource(dev->of_node, 0, &res);
if (rc) {
dev_warn(endpoint->dev,
"Failed to obtain device tree resource\n");
goto failed_request_regions;
return rc;
}
if (!request_mem_region(endpoint->res.start,
resource_size(&endpoint->res), xillyname)) {
dev_err(endpoint->dev,
"request_mem_region failed. Aborting.\n");
rc = -EBUSY;
goto failed_request_regions;
}
endpoint->registers = devm_ioremap_resource(dev, &res);
endpoint->registers = of_iomap(dev->of_node, 0);
if (!endpoint->registers) {
dev_err(endpoint->dev,
"Failed to map I/O memory. Aborting.\n");
rc = -EIO;
goto failed_iomap0;
}
if (IS_ERR(endpoint->registers))
return PTR_ERR(endpoint->registers);
irq = irq_of_parse_and_map(dev->of_node, 0);
rc = request_irq(irq, xillybus_isr, 0, xillyname, endpoint);
rc = devm_request_irq(dev, irq, xillybus_isr, 0, xillyname, endpoint);
if (rc) {
dev_err(endpoint->dev,
"Failed to register IRQ handler. Aborting.\n");
rc = -ENODEV;
goto failed_register_irq;
return -ENODEV;
}
rc = xillybus_endpoint_discovery(endpoint);
@ -174,18 +164,8 @@ static int xilly_drv_probe(struct platform_device *op)
if (!rc)
return 0;
free_irq(irq, endpoint);
failed_register_irq:
iounmap(endpoint->registers);
failed_iomap0:
release_mem_region(endpoint->res.start,
resource_size(&endpoint->res));
failed_request_regions:
xillybus_do_cleanup(&endpoint->cleanup, endpoint);
kfree(endpoint);
return rc;
}
@ -193,20 +173,11 @@ static int xilly_drv_remove(struct platform_device *op)
{
struct device *dev = &op->dev;
struct xilly_endpoint *endpoint = dev_get_drvdata(dev);
int irq = irq_of_parse_and_map(dev->of_node, 0);
xillybus_endpoint_remove(endpoint);
free_irq(irq, endpoint);
iounmap(endpoint->registers);
release_mem_region(endpoint->res.start,
resource_size(&endpoint->res));
xillybus_do_cleanup(&endpoint->cleanup, endpoint);
kfree(endpoint);
return 0;
}

65
drivers/staging/xillybus/xillybus_pcie.c
View File

@ -141,38 +141,32 @@ static int xilly_probe(struct pci_dev *pdev,
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 @@ static int xilly_probe(struct pci_dev *pdev,
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 @@ static int xilly_probe(struct pci_dev *pdev,
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 @@ static int xilly_probe(struct pci_dev *pdev,
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 @@ static void xilly_remove(struct pci_dev *pdev)
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);