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path: root/drivers/usb/host/isp1760-if.c
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Diffstat (limited to 'drivers/usb/host/isp1760-if.c')
-rw-r--r--drivers/usb/host/isp1760-if.c54
1 files changed, 32 insertions, 22 deletions
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 2ac4ac2e4ef..df931e9ba5b 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -43,42 +43,43 @@ static int of_isp1760_probe(struct platform_device *dev)
struct device_node *dp = dev->dev.of_node;
struct resource *res;
struct resource memory;
- struct of_irq oirq;
int virq;
resource_size_t res_len;
int ret;
- const unsigned int *prop;
unsigned int devflags = 0;
enum of_gpio_flags gpio_flags;
+ u32 bus_width = 0;
drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
ret = of_address_to_resource(dp, 0, &memory);
- if (ret)
- return -ENXIO;
+ if (ret) {
+ ret = -ENXIO;
+ goto free_data;
+ }
res_len = resource_size(&memory);
res = request_mem_region(memory.start, res_len, dev_name(&dev->dev));
- if (!res)
- return -EBUSY;
+ if (!res) {
+ ret = -EBUSY;
+ goto free_data;
+ }
- if (of_irq_map_one(dp, 0, &oirq)) {
+ virq = irq_of_parse_and_map(dp, 0);
+ if (!virq) {
ret = -ENODEV;
goto release_reg;
}
- virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
- oirq.size);
-
if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
devflags |= ISP1760_FLAG_ISP1761;
/* Some systems wire up only 16 of the 32 data lines */
- prop = of_get_property(dp, "bus-width", NULL);
- if (prop && *prop == 16)
+ of_property_read_u32(dp, "bus-width", &bus_width);
+ if (bus_width == 16)
devflags |= ISP1760_FLAG_BUS_WIDTH_16;
if (of_get_property(dp, "port1-otg", NULL) != NULL)
@@ -117,7 +118,7 @@ static int of_isp1760_probe(struct platform_device *dev)
goto free_gpio;
}
- dev_set_drvdata(&dev->dev, drvdata);
+ platform_set_drvdata(dev, drvdata);
return ret;
free_gpio:
@@ -125,15 +126,14 @@ free_gpio:
gpio_free(drvdata->rst_gpio);
release_reg:
release_mem_region(memory.start, res_len);
+free_data:
kfree(drvdata);
return ret;
}
static int of_isp1760_remove(struct platform_device *dev)
{
- struct isp1760 *drvdata = dev_get_drvdata(&dev->dev);
-
- dev_set_drvdata(&dev->dev, NULL);
+ struct isp1760 *drvdata = platform_get_drvdata(dev);
usb_remove_hcd(drvdata->hcd);
iounmap(drvdata->hcd->regs);
@@ -170,7 +170,7 @@ static struct platform_driver isp1760_of_driver = {
#endif
#ifdef CONFIG_PCI
-static int __devinit isp1761_pci_probe(struct pci_dev *dev,
+static int isp1761_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
u8 latency, limit;
@@ -344,14 +344,14 @@ static struct pci_driver isp1761_pci_driver = {
};
#endif
-static int __devinit isp1760_plat_probe(struct platform_device *pdev)
+static int isp1760_plat_probe(struct platform_device *pdev)
{
int ret = 0;
struct usb_hcd *hcd;
struct resource *mem_res;
struct resource *irq_res;
resource_size_t mem_size;
- struct isp1760_platform_data *priv = pdev->dev.platform_data;
+ struct isp1760_platform_data *priv = dev_get_platdata(&pdev->dev);
unsigned int devflags = 0;
unsigned long irqflags = IRQF_SHARED;
@@ -371,8 +371,10 @@ static int __devinit isp1760_plat_probe(struct platform_device *pdev)
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq_res) {
pr_warning("isp1760: IRQ resource not available\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto cleanup;
}
+
irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;
if (priv) {
@@ -393,6 +395,9 @@ static int __devinit isp1760_plat_probe(struct platform_device *pdev)
hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
irqflags, -ENOENT,
&pdev->dev, dev_name(&pdev->dev), devflags);
+
+ platform_set_drvdata(pdev, hcd);
+
if (IS_ERR(hcd)) {
pr_warning("isp1760: Failed to register the HCD device\n");
ret = -ENODEV;
@@ -408,21 +413,26 @@ out:
return ret;
}
-static int __devexit isp1760_plat_remove(struct platform_device *pdev)
+static int isp1760_plat_remove(struct platform_device *pdev)
{
struct resource *mem_res;
resource_size_t mem_size;
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+ usb_remove_hcd(hcd);
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mem_size = resource_size(mem_res);
release_mem_region(mem_res->start, mem_size);
+ usb_put_hcd(hcd);
+
return 0;
}
static struct platform_driver isp1760_plat_driver = {
.probe = isp1760_plat_probe,
- .remove = __devexit_p(isp1760_plat_remove),
+ .remove = isp1760_plat_remove,
.driver = {
.name = "isp1760",
},