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Commit c3cc40cc authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Felipe Balbi
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usb: isp1760: Merge platform and OF glue codes



Both handle platform devices, merge them.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 5324713c
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+55 −135
Original line number Diff line number Diff line
@@ -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 (of_property_read_bool(dp, "dack-polarity"))
			devflags |= ISP1760_FLAG_DACK_POL_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 (priv->dack_polarity_high)
		if (pdata->dack_polarity_high)
			devflags |= ISP1760_FLAG_DACK_POL_HIGH;
		if (priv->dreq_polarity_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