mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-24 18:22:27 +02:00
bcaf6136f4
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30804 3c298f89-4303-0410-b956-a3cf2f4a3e73
290 lines
7.0 KiB
Diff
290 lines
7.0 KiB
Diff
--- a/drivers/usb/host/isp116x-hcd.c
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+++ b/drivers/usb/host/isp116x-hcd.c
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@@ -1535,6 +1535,7 @@ static struct hc_driver isp116x_hc_drive
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/*----------------------------------------------------------------*/
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+#ifdef CONFIG_USB_ISP116X_HCD_PLATFORM
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static int isp116x_remove(struct platform_device *pdev)
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{
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struct usb_hcd *hcd = platform_get_drvdata(pdev);
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@@ -1708,22 +1709,249 @@ static struct platform_driver isp116x_dr
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},
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};
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+static inline int isp116x_platform_register(void)
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+{
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+ return platform_driver_register(&isp116x_driver);
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+}
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+
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+static inline void isp116x_platform_unregister(void)
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+{
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+ platform_driver_unregister(&isp116x_driver);
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+}
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+#else
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+static inline int isp116x_platform_register(void) { return 0; };
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+static void isp116x_platform_unregister(void) {};
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+#endif /* CONFIG_USB_ISP116X_PLATFORM */
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+
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+/*-----------------------------------------------------------------*/
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+
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+#ifdef CONFIG_USB_ISP116X_HCD_OF
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+
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+#include <linux/of_platform.h>
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+
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+#ifdef USE_PLATFORM_DELAY
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+static void isp116x_of_delay(struct device *ddev, int delay)
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+{
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+ ndelay(delay);
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+}
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+#else
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+#define isp116x_of_delay NULL
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+#endif
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+
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+static int __devinit isp116x_of_probe(struct platform_device *op)
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+{
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+ struct device_node *dn = op->dev.of_node;
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+ struct usb_hcd *hcd;
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+ struct isp116x *isp116x;
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+ struct resource addr, data;
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+ struct isp116x_platform_data *board;
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+ void __iomem *addr_reg;
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+ void __iomem *data_reg;
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+ int irq;
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+ int ret = 0;
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+ unsigned long irqflags;
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+
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+ ret = of_address_to_resource(dn, 0, &data);
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+ if (ret)
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+ return ret;
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+
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+ ret = of_address_to_resource(dn, 1, &addr);
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+ if (ret)
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+ return ret;
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+
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+ board = kzalloc(sizeof(struct isp116x_platform_data), GFP_KERNEL);
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+ if (board == NULL)
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+ return -ENOMEM;
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+
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+ if (!request_mem_region(addr.start, resource_size(&addr), hcd_name)) {
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+ ret = -EBUSY;
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+ goto err_free_board;
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+ }
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+
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+ addr_reg = ioremap_nocache(addr.start, resource_size(&addr));
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+ if (addr_reg == NULL) {
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+ ret = -ENOMEM;
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+ goto err_release_addr;
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+ }
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+
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+ if (!request_mem_region(data.start, resource_size(&data), hcd_name)) {
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+ ret = -EBUSY;
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+ goto err_unmap_addr;
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+ }
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+
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+ data_reg = ioremap_nocache(data.start, resource_size(&data));
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+ if (data_reg == NULL) {
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+ ret = -ENOMEM;
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+ goto err_release_data;
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+ }
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+
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+ irq = irq_of_parse_and_map(dn, 0);
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+ if (irq == NO_IRQ) {
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+ ret = -EINVAL;
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+ goto err_unmap_data;
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+ }
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+
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+ /* allocate and initialize hcd */
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+ hcd = usb_create_hcd(&isp116x_hc_driver, &op->dev, dev_name(&op->dev));
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+ if (!hcd) {
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+ ret = -ENOMEM;
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+ goto err_irq_dispose;
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+ }
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+
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+ /* this rsrc_start is bogus */
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+ hcd->rsrc_start = addr.start;
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+ isp116x = hcd_to_isp116x(hcd);
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+ isp116x->data_reg = data_reg;
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+ isp116x->addr_reg = addr_reg;
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+ isp116x->board = board;
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+ spin_lock_init(&isp116x->lock);
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+ INIT_LIST_HEAD(&isp116x->async);
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+
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+ board->delay = isp116x_of_delay;
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+ if (of_get_property(dn, "sel15Kres", NULL))
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+ board->sel15Kres = 1;
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+ if (of_get_property(dn, "oc_enable", NULL))
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+ board->oc_enable = 1;
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+ if (of_get_property(dn, "remote_wakeup_enable", NULL))
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+ board->remote_wakeup_enable = 1;
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+
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+ if (of_get_property(dn, "int_act_high", NULL))
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+ board->int_act_high = 1;
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+ if (of_get_property(dn, "int_edge_triggered", NULL))
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+ board->int_edge_triggered = 1;
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+
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+ if (board->int_edge_triggered)
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+ irqflags = board->int_act_high ? IRQF_TRIGGER_RISING :
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+ IRQF_TRIGGER_FALLING;
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+ else
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+ irqflags = board->int_act_high ? IRQF_TRIGGER_HIGH :
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+ IRQF_TRIGGER_LOW;
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+
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+ ret = usb_add_hcd(hcd, irq, irqflags | IRQF_DISABLED);
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+ if (ret)
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+ goto err_put_hcd;
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+
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+ ret = create_debug_file(isp116x);
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+ if (ret) {
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+ ERR("Couldn't create debugfs entry\n");
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+ goto err_remove_hcd;
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+ }
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+
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+ return 0;
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+
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+ err_remove_hcd:
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+ usb_remove_hcd(hcd);
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+ err_put_hcd:
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+ usb_put_hcd(hcd);
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+ err_irq_dispose:
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+ irq_dispose_mapping(irq);
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+ err_unmap_data:
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+ iounmap(data_reg);
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+ err_release_data:
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+ release_mem_region(data.start, resource_size(&data));
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+ err_unmap_addr:
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+ iounmap(addr_reg);
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+ err_release_addr:
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+ release_mem_region(addr.start, resource_size(&addr));
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+ err_free_board:
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+ kfree(board);
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+ return ret;
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+}
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+
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+static __devexit int isp116x_of_remove(struct platform_device *op)
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+{
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+ struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
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+ struct isp116x *isp116x;
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+ struct resource res;
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+
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+ if (!hcd)
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+ return 0;
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+
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+ dev_set_drvdata(&op->dev, NULL);
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+
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+ isp116x = hcd_to_isp116x(hcd);
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+ remove_debug_file(isp116x);
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+ usb_remove_hcd(hcd);
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+
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+ irq_dispose_mapping(hcd->irq);
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+
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+ iounmap(isp116x->data_reg);
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+ (void) of_address_to_resource(op->dev.of_node, 0, &res);
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+ release_mem_region(res.start, resource_size(&res));
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+
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+ iounmap(isp116x->addr_reg);
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+ (void) of_address_to_resource(op->dev.of_node, 1, &res);
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+ release_mem_region(res.start, resource_size(&res));
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+
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+ kfree(isp116x->board);
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+ usb_put_hcd(hcd);
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+
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+ return 0;
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+}
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+
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+static struct of_device_id isp116x_of_match[] = {
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+ { .compatible = "isp116x-hcd", },
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+ {},
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+};
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+
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+static struct platform_driver isp116x_of_platform_driver = {
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+ .probe = isp116x_of_probe,
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+ .remove = __devexit_p(isp116x_of_remove),
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+ .driver = {
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+ .name = "isp116x-hcd-of",
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+ .owner = THIS_MODULE,
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+ .of_match_table = isp116x_of_match,
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+ },
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+};
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+
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+static int __init isp116x_of_register(void)
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+{
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+ return platform_driver_register(&isp116x_of_platform_driver);
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+}
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+
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+static void __exit isp116x_of_unregister(void)
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+{
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+ platform_driver_unregister(&isp116x_of_platform_driver);
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+}
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+
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+MODULE_DEVICE_TABLE(of, isp116x_of_match);
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+
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+#else
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+static inline int isp116x_of_register(void) { return 0; };
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+static void isp116x_of_unregister(void) {};
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+#endif /* CONFIG_USB_ISP116X_HCD_OF */
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+
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/*-----------------------------------------------------------------*/
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static int __init isp116x_init(void)
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{
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+ int ret;
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+
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if (usb_disabled())
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return -ENODEV;
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INFO("driver %s, %s\n", hcd_name, DRIVER_VERSION);
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- return platform_driver_register(&isp116x_driver);
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+ ret = isp116x_platform_register();
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+ if (ret)
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+ return ret;
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+
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+ ret = isp116x_of_register();
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+ if (ret)
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+ goto err_platform_unregister;
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+
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+ return 0;
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+
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+ err_platform_unregister:
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+ isp116x_platform_unregister();
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+ return ret;
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}
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module_init(isp116x_init);
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static void __exit isp116x_cleanup(void)
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{
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- platform_driver_unregister(&isp116x_driver);
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+ isp116x_of_unregister();
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+ isp116x_platform_unregister();
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}
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module_exit(isp116x_cleanup);
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--- a/drivers/usb/host/Kconfig
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+++ b/drivers/usb/host/Kconfig
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@@ -251,6 +251,24 @@ config USB_ISP116X_HCD
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To compile this driver as a module, choose M here: the
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module will be called isp116x-hcd.
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+config USB_ISP116X_HCD_PLATFORM
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+ bool "ISP116X support for controllers on platform bus"
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+ depends on USB_ISP116X_HCD
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+ default n if PPC_OF
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+ default y
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+ ---help---
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+ Enables support for the ISP116x USB controller present on the
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+ platform bus.
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+
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+config USB_ISP116X_HCD_OF
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+ bool "ISP116X support for controllers on OF platform bus"
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+ depends on USB_ISP116X_HCD && PPC_OF
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+ default y if PPC_OF
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+ default n
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+ ---help---
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+ Enables support for the ISP116x USB controller present on the
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+ OpenFirmware platform bus.
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+
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config USB_ISP1760_HCD
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tristate "ISP 1760 HCD support"
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depends on USB && EXPERIMENTAL
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