diff options
author | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-27 15:38:56 +0000 |
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committer | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-27 15:38:56 +0000 |
commit | 93a0a2c28863ff520d4c4603f6262de8804606ab (patch) | |
tree | 1701087d55a46c5726db65529c98a0a1ae8a36ec /target/linux/brcm47xx/patches-3.2/182-USB-EHCI-Add-a-generic-platform-device-driver.patch | |
parent | ec28fb957370104c36e15bdb86dd2c52c7d6439a (diff) |
brcm47xx: update usb driver to the version send for mainline kernel integartion
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31089 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/182-USB-EHCI-Add-a-generic-platform-device-driver.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.2/182-USB-EHCI-Add-a-generic-platform-device-driver.patch | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/182-USB-EHCI-Add-a-generic-platform-device-driver.patch b/target/linux/brcm47xx/patches-3.2/182-USB-EHCI-Add-a-generic-platform-device-driver.patch deleted file mode 100644 index 9a8b0cd0f..000000000 --- a/target/linux/brcm47xx/patches-3.2/182-USB-EHCI-Add-a-generic-platform-device-driver.patch +++ /dev/null @@ -1,253 +0,0 @@ -From 1be00523336ac484c52681f838dfb8a76e8531cd Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sat, 26 Nov 2011 21:28:56 +0100 -Subject: [PATCH 182/186] USB: EHCI: Add a generic platform device driver - -This adds a generic driver for platform devices. It works like the PCI -driver and is based on it. This is for devices which do not have an own -bus but their EHCI controller works like a PCI controller. It will be -used for the Broadcom bcma and ssb USB EHCI controller. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/usb/host/Kconfig | 10 ++ - drivers/usb/host/ehci-hcd.c | 5 + - drivers/usb/host/ehci-platform.c | 199 ++++++++++++++++++++++++++++++++++++++ - 3 files changed, 214 insertions(+), 0 deletions(-) - create mode 100644 drivers/usb/host/ehci-platform.c - ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -388,6 +388,16 @@ config USB_OHCI_HCD_PLATFORM - - If unsure, say N. - -+config USB_EHCI_HCD_PLATFORM -+ bool "Generic EHCI driver for a platform device" -+ depends on USB_EHCI_HCD && EXPERIMENTAL -+ default n -+ ---help--- -+ Adds an EHCI host driver for a generic platform device, which -+ provieds a memory space and an irq. -+ -+ If unsure, say N. -+ - config USB_OHCI_BIG_ENDIAN_DESC - bool - depends on USB_OHCI_HCD ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -1329,6 +1329,11 @@ MODULE_LICENSE ("GPL"); - #define PLATFORM_DRIVER ehci_xls_driver - #endif - -+#ifdef CONFIG_USB_EHCI_HCD_PLATFORM -+#include "ehci-platform.c" -+#define PLATFORM_DRIVER ehci_platform_driver -+#endif -+ - #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ - !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ - !defined(XILINX_OF_PLATFORM_DRIVER) ---- /dev/null -+++ b/drivers/usb/host/ehci-platform.c -@@ -0,0 +1,199 @@ -+/* -+ * Generic platform ehci driver -+ * -+ * Copyright 2007 Steven Brown <sbrown@cortland.com> -+ * Copyright 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> -+ * -+ * Derived from the ohci-ssb driver -+ * Copyright 2007 Michael Buesch <m@bues.ch> -+ * -+ * Derived from the EHCI-PCI driver -+ * Copyright (c) 2000-2004 by David Brownell -+ * -+ * Derived from the ohci-pci driver -+ * Copyright 1999 Roman Weissgaerber -+ * Copyright 2000-2002 David Brownell -+ * Copyright 1999 Linus Torvalds -+ * Copyright 1999 Gregory P. Smith -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+#include <linux/platform_device.h> -+#include <linux/usb/hci_driver.h> -+ -+static int ehci_platform_reset(struct usb_hcd *hcd) -+{ -+ struct platform_device *pdev = to_platform_device(hcd->self.controller); -+ struct usb_hci_pdata *pdata = pdev->dev.platform_data; -+ struct ehci_hcd *ehci = hcd_to_ehci(hcd); -+ int caps_offset = 0; -+ int flags = 0; -+ int retval; -+ -+ if (pdata) { -+ caps_offset = pdata->caps_offset; -+ flags = pdata->flags; -+ } -+ -+ if (flags & USB_HCI_PDATA_HAS_TT_SET) -+ hcd->has_tt = pdata->has_tt; -+ -+ ehci->caps = hcd->regs + caps_offset; -+ retval = ehci_setup(hcd); -+ if (retval) -+ return retval; -+ -+ if (flags & USB_HCI_PDATA_PORT_POWER_SET) -+ ehci_port_power(ehci, pdata->power_set_is_on); -+ -+ return 0; -+} -+ -+static const struct hc_driver ehci_platform_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "Generic Platform EHCI Controller", -+ .hcd_priv_size = sizeof(struct ehci_hcd), -+ -+ .irq = ehci_irq, -+ .flags = HCD_MEMORY | HCD_USB2, -+ -+ .reset = ehci_platform_reset, -+ .start = ehci_run, -+ .stop = ehci_stop, -+ .shutdown = ehci_shutdown, -+ -+ .urb_enqueue = ehci_urb_enqueue, -+ .urb_dequeue = ehci_urb_dequeue, -+ .endpoint_disable = ehci_endpoint_disable, -+ .endpoint_reset = ehci_endpoint_reset, -+ -+ .get_frame_number = ehci_get_frame, -+ -+ .hub_status_data = ehci_hub_status_data, -+ .hub_control = ehci_hub_control, -+#if defined(CONFIG_PM) -+ .bus_suspend = ehci_bus_suspend, -+ .bus_resume = ehci_bus_resume, -+#endif -+ .relinquish_port = ehci_relinquish_port, -+ .port_handed_over = ehci_port_handed_over, -+ -+ .update_device = ehci_update_device, -+ -+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -+}; -+ -+static int __devinit ehci_platform_probe(struct platform_device *dev) -+{ -+ struct usb_hcd *hcd; -+ struct resource *res_mem; -+ int irq; -+ int err = -ENOMEM; -+ -+ if (usb_disabled()) -+ return -ENODEV; -+ -+ irq = platform_get_irq(dev, 0); -+ if (irq < 0) { -+ pr_err("no irq provieded"); -+ return irq; -+ } -+ res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); -+ if (!res_mem) { -+ pr_err("no memory recourse provieded"); -+ return -ENXIO; -+ } -+ -+ hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev, -+ dev_name(&dev->dev)); -+ if (!hcd) -+ return -ENOMEM; -+ -+ hcd->rsrc_start = res_mem->start; -+ hcd->rsrc_len = resource_size(res_mem); -+ -+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { -+ pr_err("controller already in use"); -+ err = -EBUSY; -+ goto err_put_hcd; -+ } -+ -+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); -+ if (!hcd->regs) -+ goto err_release_region; -+ err = usb_add_hcd(hcd, irq, IRQF_SHARED); -+ if (err) -+ goto err_iounmap; -+ -+ platform_set_drvdata(dev, hcd); -+ -+ return err; -+ -+err_iounmap: -+ iounmap(hcd->regs); -+err_release_region: -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+err_put_hcd: -+ usb_put_hcd(hcd); -+ return err; -+} -+ -+static int __devexit ehci_platform_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); -+ platform_set_drvdata(dev, NULL); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+ -+static int ehci_platform_suspend(struct device *dev) -+{ -+ struct usb_hcd *hcd = dev_get_drvdata(dev); -+ bool wakeup = device_may_wakeup(dev); -+ -+ ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd), wakeup); -+ return 0; -+} -+ -+static int ehci_platform_resume(struct device *dev) -+{ -+ struct usb_hcd *hcd = dev_get_drvdata(dev); -+ -+ ehci_prepare_ports_for_controller_resume(hcd_to_ehci(hcd)); -+ return 0; -+} -+ -+#else /* !CONFIG_PM */ -+#define ehci_platform_suspend NULL -+#define ehci_platform_resume NULL -+#endif /* CONFIG_PM */ -+ -+static const struct platform_device_id ehci_platform_table[] = { -+ { "ehci-platform", 0 }, -+ { } -+}; -+MODULE_DEVICE_TABLE(platform, ehci_platform_table); -+ -+static const struct dev_pm_ops ehci_platform_pm_ops = { -+ .suspend = ehci_platform_suspend, -+ .resume = ehci_platform_resume, -+}; -+ -+static struct platform_driver ehci_platform_driver = { -+ .id_table = ehci_platform_table, -+ .probe = ehci_platform_probe, -+ .remove = __devexit_p(ehci_platform_remove), -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "ehci-platform", -+ .pm = &ehci_platform_pm_ops, -+ } -+}; |