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usb: isp1760: Merge platform and OF glue codes 

Both handle platform devices, merge them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Laurent Pinchart 2015-01-21 00:55:44 +02:00 committed by Felipe Balbi
parent 5324713c99
commit c3cc40ccea
1 changed files with 55 additions and 135 deletions
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190
drivers/usb/host/isp1760-if.c
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@ -12,121 +12,18 @@
#include <linux/usb.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/usb/isp1760.h>
#include <linux/usb/hcd.h>
#include "isp1760-hcd.h"
#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#endif
#ifdef CONFIG_PCI
#include <linux/pci.h>
#endif
#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
static int of_isp1760_probe(struct platform_device *dev)
{
struct usb_hcd *hcd;
struct device_node *dp = dev->dev.of_node;
struct resource *res;
struct resource memory;
int virq;
resource_size_t res_len;
int ret;
unsigned int devflags = 0;
u32 bus_width = 0;
ret = of_address_to_resource(dp, 0, &memory);
if (ret)
return -ENXIO;
res_len = resource_size(&memory);
res = request_mem_region(memory.start, res_len, dev_name(&dev->dev));
if (!res)
return -EBUSY;
virq = irq_of_parse_and_map(dp, 0);
if (!virq) {
ret = -ENODEV;
goto release_reg;
}
if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
devflags |= ISP1760_FLAG_ISP1761;
/* Some systems wire up only 16 of the 32 data lines */
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)
devflags |= ISP1760_FLAG_OTG_EN;
if (of_get_property(dp, "analog-oc", NULL) != NULL)
devflags |= ISP1760_FLAG_ANALOG_OC;
if (of_get_property(dp, "dack-polarity", NULL) != NULL)
devflags |= ISP1760_FLAG_DACK_POL_HIGH;
if (of_get_property(dp, "dreq-polarity", NULL) != NULL)
devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
hcd = isp1760_register(memory.start, res_len, virq, IRQF_SHARED,
&dev->dev, dev_name(&dev->dev), devflags);
if (IS_ERR(hcd)) {
ret = PTR_ERR(hcd);
goto release_reg;
}
platform_set_drvdata(dev, hcd);
return ret;
release_reg:
release_mem_region(memory.start, res_len);
return ret;
}
static int of_isp1760_remove(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
usb_remove_hcd(hcd);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
return 0;
}
static const struct of_device_id of_isp1760_match[] = {
{
.compatible = "nxp,usb-isp1760",
},
{
.compatible = "nxp,usb-isp1761",
},
{ },
};
MODULE_DEVICE_TABLE(of, of_isp1760_match);
static struct platform_driver isp1760_of_driver = {
.driver = {
.name = "nxp-isp1760",
.of_match_table = of_isp1760_match,
},
.probe = of_isp1760_probe,
.remove = of_isp1760_remove,
};
#endif
#ifdef CONFIG_PCI
static int isp1761_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
@ -304,26 +201,23 @@ static struct pci_driver isp1761_pci_driver = {
static int isp1760_plat_probe(struct platform_device *pdev)
{
int ret = 0;
struct usb_hcd *hcd;
unsigned long irqflags = IRQF_SHARED;
unsigned int devflags = 0;
struct resource *mem_res;
struct resource *irq_res;
resource_size_t mem_size;
struct isp1760_platform_data *priv = dev_get_platdata(&pdev->dev);
unsigned int devflags = 0;
unsigned long irqflags = IRQF_SHARED;
struct usb_hcd *hcd;
int ret;
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
pr_warning("isp1760: Memory resource not available\n");
ret = -ENODEV;
goto out;
return -ENODEV;
}
mem_size = resource_size(mem_res);
if (!request_mem_region(mem_res->start, mem_size, "isp1760")) {
pr_warning("isp1760: Cannot reserve the memory resource\n");
ret = -EBUSY;
goto out;
return -EBUSY;
}
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
@ -335,39 +229,63 @@ static int isp1760_plat_probe(struct platform_device *pdev)
irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;
if (priv) {
if (priv->is_isp1761)
if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
struct device_node *dp = pdev->dev.of_node;
u32 bus_width = 0;
if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
devflags |= ISP1760_FLAG_ISP1761;
if (priv->bus_width_16)
/* Some systems wire up only 16 of the 32 data lines */
of_property_read_u32(dp, "bus-width", &bus_width);
if (bus_width == 16)
devflags |= ISP1760_FLAG_BUS_WIDTH_16;
if (priv->port1_otg)
if (of_property_read_bool(dp, "port1-otg"))
devflags |= ISP1760_FLAG_OTG_EN;
if (priv->analog_oc)
if (of_property_read_bool(dp, "analog-oc"))
devflags |= ISP1760_FLAG_ANALOG_OC;
if (priv->dack_polarity_high)
if (of_property_read_bool(dp, "dack-polarity"))
devflags |= ISP1760_FLAG_DACK_POL_HIGH;
if (priv->dreq_polarity_high)
if (of_property_read_bool(dp, "dreq-polarity"))
devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
} else if (dev_get_platdata(&pdev->dev)) {
struct isp1760_platform_data *pdata =
dev_get_platdata(&pdev->dev);
if (pdata->is_isp1761)
devflags |= ISP1760_FLAG_ISP1761;
if (pdata->bus_width_16)
devflags |= ISP1760_FLAG_BUS_WIDTH_16;
if (pdata->port1_otg)
devflags |= ISP1760_FLAG_OTG_EN;
if (pdata->analog_oc)
devflags |= ISP1760_FLAG_ANALOG_OC;
if (pdata->dack_polarity_high)
devflags |= ISP1760_FLAG_DACK_POL_HIGH;
if (pdata->dreq_polarity_high)
devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
}
hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
irqflags, &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;
ret = PTR_ERR(hcd);
goto cleanup;
}
platform_set_drvdata(pdev, hcd);
pr_info("ISP1760 USB device initialised\n");
return ret;
return 0;
cleanup:
release_mem_region(mem_res->start, mem_size);
out:
return ret;
}
@ -383,11 +301,21 @@ static int isp1760_plat_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_OF
static const struct of_device_id isp1760_of_match[] = {
{ .compatible = "nxp,usb-isp1760", },
{ .compatible = "nxp,usb-isp1761", },
{ },
};
MODULE_DEVICE_TABLE(of, isp1760_of_match);
#endif
static struct platform_driver isp1760_plat_driver = {
.probe = isp1760_plat_probe,
.remove = isp1760_plat_remove,
.driver = {
.name = "isp1760",
.of_match_table = of_match_ptr(isp1760_of_match),
},
};
@ -400,11 +328,6 @@ static int __init isp1760_init(void)
ret = platform_driver_register(&isp1760_plat_driver);
if (!ret)
any_ret = 0;
#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
ret = platform_driver_register(&isp1760_of_driver);
if (!ret)
any_ret = 0;
#endif
#ifdef CONFIG_PCI
ret = pci_register_driver(&isp1761_pci_driver);
if (!ret)
@ -420,9 +343,6 @@ module_init(isp1760_init);
static void __exit isp1760_exit(void)
{
platform_driver_unregister(&isp1760_plat_driver);
#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
platform_driver_unregister(&isp1760_of_driver);
#endif
#ifdef CONFIG_PCI
pci_unregister_driver(&isp1761_pci_driver);
#endif