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https://github.com/edk2-porting/linux-next.git
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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
Felipe Balbi
parent
5324713c99
commit
c3cc40ccea
@ -12,121 +12,18 @@
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#include <linux/usb.h>
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#include <linux/io.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/usb/isp1760.h>
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#include <linux/usb/hcd.h>
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#include "isp1760-hcd.h"
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#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
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#include <linux/slab.h>
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#include <linux/of.h>
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#include <linux/of_platform.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#endif
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#ifdef CONFIG_PCI
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#include <linux/pci.h>
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#endif
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#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
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static int of_isp1760_probe(struct platform_device *dev)
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{
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struct usb_hcd *hcd;
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struct device_node *dp = dev->dev.of_node;
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struct resource *res;
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struct resource memory;
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int virq;
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resource_size_t res_len;
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int ret;
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unsigned int devflags = 0;
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u32 bus_width = 0;
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ret = of_address_to_resource(dp, 0, &memory);
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if (ret)
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return -ENXIO;
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res_len = resource_size(&memory);
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res = request_mem_region(memory.start, res_len, dev_name(&dev->dev));
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if (!res)
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return -EBUSY;
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virq = irq_of_parse_and_map(dp, 0);
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if (!virq) {
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ret = -ENODEV;
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goto release_reg;
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}
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if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
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devflags |= ISP1760_FLAG_ISP1761;
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/* Some systems wire up only 16 of the 32 data lines */
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of_property_read_u32(dp, "bus-width", &bus_width);
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if (bus_width == 16)
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devflags |= ISP1760_FLAG_BUS_WIDTH_16;
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if (of_get_property(dp, "port1-otg", NULL) != NULL)
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devflags |= ISP1760_FLAG_OTG_EN;
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if (of_get_property(dp, "analog-oc", NULL) != NULL)
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devflags |= ISP1760_FLAG_ANALOG_OC;
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if (of_get_property(dp, "dack-polarity", NULL) != NULL)
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devflags |= ISP1760_FLAG_DACK_POL_HIGH;
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if (of_get_property(dp, "dreq-polarity", NULL) != NULL)
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devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
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hcd = isp1760_register(memory.start, res_len, virq, IRQF_SHARED,
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&dev->dev, dev_name(&dev->dev), devflags);
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if (IS_ERR(hcd)) {
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ret = PTR_ERR(hcd);
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goto release_reg;
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}
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platform_set_drvdata(dev, hcd);
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return ret;
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release_reg:
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release_mem_region(memory.start, res_len);
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return ret;
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}
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static int of_isp1760_remove(struct platform_device *dev)
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{
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struct usb_hcd *hcd = platform_get_drvdata(dev);
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usb_remove_hcd(hcd);
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iounmap(hcd->regs);
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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usb_put_hcd(hcd);
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return 0;
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}
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static const struct of_device_id of_isp1760_match[] = {
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{
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.compatible = "nxp,usb-isp1760",
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},
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{
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.compatible = "nxp,usb-isp1761",
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},
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{ },
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};
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MODULE_DEVICE_TABLE(of, of_isp1760_match);
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static struct platform_driver isp1760_of_driver = {
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.driver = {
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.name = "nxp-isp1760",
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.of_match_table = of_isp1760_match,
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},
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.probe = of_isp1760_probe,
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.remove = of_isp1760_remove,
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};
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#endif
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#ifdef CONFIG_PCI
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static int isp1761_pci_probe(struct pci_dev *dev,
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const struct pci_device_id *id)
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@ -304,26 +201,23 @@ static struct pci_driver isp1761_pci_driver = {
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static int isp1760_plat_probe(struct platform_device *pdev)
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{
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int ret = 0;
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struct usb_hcd *hcd;
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unsigned long irqflags = IRQF_SHARED;
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unsigned int devflags = 0;
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struct resource *mem_res;
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struct resource *irq_res;
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resource_size_t mem_size;
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struct isp1760_platform_data *priv = dev_get_platdata(&pdev->dev);
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unsigned int devflags = 0;
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unsigned long irqflags = IRQF_SHARED;
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struct usb_hcd *hcd;
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int ret;
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mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!mem_res) {
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pr_warning("isp1760: Memory resource not available\n");
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ret = -ENODEV;
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goto out;
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return -ENODEV;
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}
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mem_size = resource_size(mem_res);
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if (!request_mem_region(mem_res->start, mem_size, "isp1760")) {
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pr_warning("isp1760: Cannot reserve the memory resource\n");
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ret = -EBUSY;
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goto out;
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return -EBUSY;
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}
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irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
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@ -335,39 +229,63 @@ static int isp1760_plat_probe(struct platform_device *pdev)
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irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;
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if (priv) {
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if (priv->is_isp1761)
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if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
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struct device_node *dp = pdev->dev.of_node;
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u32 bus_width = 0;
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if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
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devflags |= ISP1760_FLAG_ISP1761;
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if (priv->bus_width_16)
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/* Some systems wire up only 16 of the 32 data lines */
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of_property_read_u32(dp, "bus-width", &bus_width);
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if (bus_width == 16)
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devflags |= ISP1760_FLAG_BUS_WIDTH_16;
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if (priv->port1_otg)
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if (of_property_read_bool(dp, "port1-otg"))
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devflags |= ISP1760_FLAG_OTG_EN;
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if (priv->analog_oc)
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if (of_property_read_bool(dp, "analog-oc"))
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devflags |= ISP1760_FLAG_ANALOG_OC;
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if (priv->dack_polarity_high)
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if (of_property_read_bool(dp, "dack-polarity"))
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devflags |= ISP1760_FLAG_DACK_POL_HIGH;
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if (priv->dreq_polarity_high)
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if (of_property_read_bool(dp, "dreq-polarity"))
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devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
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} else if (dev_get_platdata(&pdev->dev)) {
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struct isp1760_platform_data *pdata =
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dev_get_platdata(&pdev->dev);
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if (pdata->is_isp1761)
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devflags |= ISP1760_FLAG_ISP1761;
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if (pdata->bus_width_16)
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devflags |= ISP1760_FLAG_BUS_WIDTH_16;
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if (pdata->port1_otg)
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devflags |= ISP1760_FLAG_OTG_EN;
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if (pdata->analog_oc)
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devflags |= ISP1760_FLAG_ANALOG_OC;
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if (pdata->dack_polarity_high)
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devflags |= ISP1760_FLAG_DACK_POL_HIGH;
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if (pdata->dreq_polarity_high)
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devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
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}
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hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
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irqflags, &pdev->dev, dev_name(&pdev->dev),
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devflags);
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platform_set_drvdata(pdev, hcd);
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if (IS_ERR(hcd)) {
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pr_warning("isp1760: Failed to register the HCD device\n");
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ret = -ENODEV;
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ret = PTR_ERR(hcd);
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goto cleanup;
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}
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platform_set_drvdata(pdev, hcd);
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pr_info("ISP1760 USB device initialised\n");
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return ret;
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return 0;
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cleanup:
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release_mem_region(mem_res->start, mem_size);
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out:
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return ret;
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}
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@ -383,11 +301,21 @@ static int isp1760_plat_remove(struct platform_device *pdev)
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return 0;
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}
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#ifdef CONFIG_OF
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static const struct of_device_id isp1760_of_match[] = {
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{ .compatible = "nxp,usb-isp1760", },
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{ .compatible = "nxp,usb-isp1761", },
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{ },
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};
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MODULE_DEVICE_TABLE(of, isp1760_of_match);
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#endif
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static struct platform_driver isp1760_plat_driver = {
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.probe = isp1760_plat_probe,
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.remove = isp1760_plat_remove,
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.driver = {
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.name = "isp1760",
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.of_match_table = of_match_ptr(isp1760_of_match),
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},
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};
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@ -400,11 +328,6 @@ static int __init isp1760_init(void)
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ret = platform_driver_register(&isp1760_plat_driver);
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if (!ret)
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any_ret = 0;
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#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
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ret = platform_driver_register(&isp1760_of_driver);
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if (!ret)
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any_ret = 0;
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#endif
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#ifdef CONFIG_PCI
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ret = pci_register_driver(&isp1761_pci_driver);
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if (!ret)
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@ -420,9 +343,6 @@ module_init(isp1760_init);
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static void __exit isp1760_exit(void)
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{
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platform_driver_unregister(&isp1760_plat_driver);
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#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
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platform_driver_unregister(&isp1760_of_driver);
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#endif
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#ifdef CONFIG_PCI
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pci_unregister_driver(&isp1761_pci_driver);
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#endif
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