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author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-03-27 15:38:56 +0000 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2012-03-27 15:38:56 +0000 |
commit | 6fd915ba37b67723337bf49b929d115c71a576bb (patch) | |
tree | 0d0772e4ca05f6f7609fe2924feb550d8cf8c5c0 /target/linux/brcm47xx/patches-3.2/181-USB-OHCI-Add-a-generic-platform-device-driver.patch | |
parent | 877c407ade3cc0cb7cf249bfd690fe133f8e67c0 (diff) | |
download | upstream-6fd915ba37b67723337bf49b929d115c71a576bb.tar.gz upstream-6fd915ba37b67723337bf49b929d115c71a576bb.tar.bz2 upstream-6fd915ba37b67723337bf49b929d115c71a576bb.zip |
brcm47xx: update usb driver to the version send for mainline kernel integartion
SVN-Revision: 31089
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/181-USB-OHCI-Add-a-generic-platform-device-driver.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.2/181-USB-OHCI-Add-a-generic-platform-device-driver.patch | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/181-USB-OHCI-Add-a-generic-platform-device-driver.patch b/target/linux/brcm47xx/patches-3.2/181-USB-OHCI-Add-a-generic-platform-device-driver.patch deleted file mode 100644 index 8832f22fa1..0000000000 --- a/target/linux/brcm47xx/patches-3.2/181-USB-OHCI-Add-a-generic-platform-device-driver.patch +++ /dev/null @@ -1,237 +0,0 @@ -From 2232a2ab6015496fecdfad68a9d6794312a9b2f2 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sat, 26 Nov 2011 21:20:54 +0100 -Subject: [PATCH 181/186] USB: OHCI: 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 OHCI controller works like a PCI controller. It will be -used for the Broadcom bcma and ssb USB OHCI controller. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/usb/host/Kconfig | 10 ++ - drivers/usb/host/ohci-hcd.c | 5 + - drivers/usb/host/ohci-platform.c | 183 ++++++++++++++++++++++++++++++++++++++ - 3 files changed, 198 insertions(+), 0 deletions(-) - create mode 100644 drivers/usb/host/ohci-platform.c - ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -378,6 +378,16 @@ config USB_CNS3XXX_OHCI - Enable support for the CNS3XXX SOC's on-chip OHCI controller. - It is needed for low-speed USB 1.0 device support. - -+config USB_OHCI_HCD_PLATFORM -+ bool "OHCI driver for a platform device" -+ depends on USB_OHCI_HCD && EXPERIMENTAL -+ default n -+ ---help--- -+ Adds an OHCI 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/ohci-hcd.c -+++ b/drivers/usb/host/ohci-hcd.c -@@ -1116,6 +1116,11 @@ MODULE_LICENSE ("GPL"); - #define PLATFORM_DRIVER ohci_xls_driver - #endif - -+#ifdef CONFIG_USB_OHCI_HCD_PLATFORM -+#include "ohci-platform.c" -+#define PLATFORM_DRIVER ohci_platform_driver -+#endif -+ - #if !defined(PCI_DRIVER) && \ - !defined(PLATFORM_DRIVER) && \ - !defined(OMAP1_PLATFORM_DRIVER) && \ ---- /dev/null -+++ b/drivers/usb/host/ohci-platform.c -@@ -0,0 +1,183 @@ -+/* -+ * Generic platform ohci driver -+ * -+ * Copyright 2007 Michael Buesch <m@bues.ch> -+ * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de> -+ * -+ * Derived from the OCHI-SSB driver -+ * 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 ohci_platform_reset(struct usb_hcd *hcd) -+{ -+ struct ohci_hcd *ohci = hcd_to_ohci(hcd); -+ int err; -+ -+ ohci_hcd_init(ohci); -+ err = ohci_init(ohci); -+ -+ return err; -+} -+ -+static int ohci_platform_start(struct usb_hcd *hcd) -+{ -+ struct ohci_hcd *ohci = hcd_to_ohci(hcd); -+ int err; -+ -+ err = ohci_run(ohci); -+ if (err < 0) { -+ ohci_err(ohci, "can't start\n"); -+ ohci_stop(hcd); -+ } -+ -+ return err; -+} -+ -+static const struct hc_driver ohci_platform_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "Generic Platform OHCI Controller", -+ .hcd_priv_size = sizeof(struct ohci_hcd), -+ -+ .irq = ohci_irq, -+ .flags = HCD_MEMORY | HCD_USB11, -+ -+ .reset = ohci_platform_reset, -+ .start = ohci_platform_start, -+ .stop = ohci_stop, -+ .shutdown = ohci_shutdown, -+ -+ .urb_enqueue = ohci_urb_enqueue, -+ .urb_dequeue = ohci_urb_dequeue, -+ .endpoint_disable = ohci_endpoint_disable, -+ -+ .get_frame_number = ohci_get_frame, -+ -+ .hub_status_data = ohci_hub_status_data, -+ .hub_control = ohci_hub_control, -+#ifdef CONFIG_PM -+ .bus_suspend = ohci_bus_suspend, -+ .bus_resume = ohci_bus_resume, -+#endif -+ -+ .start_port_reset = ohci_start_port_reset, -+}; -+ -+static int __devinit ohci_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(&ohci_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 ohci_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 ohci_platform_suspend(struct device *dev) -+{ -+ return 0; -+} -+ -+static int ohci_platform_resume(struct device *dev) -+{ -+ struct usb_hcd *hcd = dev_get_drvdata(dev); -+ -+ ohci_finish_controller_resume(hcd); -+ return 0; -+} -+ -+#else /* !CONFIG_PM */ -+#define ohci_platform_suspend NULL -+#define ohci_platform_resume NULL -+#endif /* CONFIG_PM */ -+ -+static const struct platform_device_id ohci_platform_table[] = { -+ { "ohci-platform", 0 }, -+ { } -+}; -+MODULE_DEVICE_TABLE(platform, ohci_platform_table); -+ -+static const struct dev_pm_ops ohci_platform_pm_ops = { -+ .suspend = ohci_platform_suspend, -+ .resume = ohci_platform_resume, -+}; -+ -+static struct platform_driver ohci_platform_driver = { -+ .id_table = ohci_platform_table, -+ .probe = ohci_platform_probe, -+ .remove = __devexit_p(ohci_platform_remove), -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "ohci-platform", -+ .pm = &ohci_platform_pm_ops, -+ } -+}; |