7 files changed, 255 insertions, 24 deletions

diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index d66867aa527e..26ed757d22a6 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -41,8 +41,6 @@
 #endif
 #define USBH_DISABLE      (USB_MCFG_EBMEN | USB_MCFG_EMEMEN)
 
-#endif                          /* Au1200 */
-
 extern int usb_disabled(void);
 
 /*-------------------------------------------------------------------------*/
@@ -107,9 +105,9 @@ int usb_ehci_au1xxx_probe(const struct hc_driver *driver,
 
         /* Au1200 AB USB does not support coherent memory */
         if (!(read_c0_prid() & 0xff)) {
-                pr_info("%s: this is chip revision AB!\n", dev->dev.name);
+                pr_info("%s: this is chip revision AB!\n", dev->name);
                 pr_info("%s: update your board or re-configure the kernel\n",
-                        dev->dev.name);
+                        dev->name);
                 return -ENODEV;
         }
 #endif
@@ -228,9 +226,8 @@ static const struct hc_driver ehci_au1xxx_hc_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-static int ehci_hcd_au1xxx_drv_probe(struct device *dev)
+static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
         struct usb_hcd *hcd = NULL;
         int ret;
 
@@ -243,10 +240,9 @@ static int ehci_hcd_au1xxx_drv_probe(struct device *dev)
         return ret;
 }
 
-static int ehci_hcd_au1xxx_drv_remove(struct device *dev)
+static int ehci_hcd_au1xxx_drv_remove(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct usb_hcd *hcd = dev_get_drvdata(dev);
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
 
         usb_ehci_au1xxx_remove(hcd, pdev);
         return 0;
@@ -269,12 +265,13 @@ static int ehci_hcd_au1xxx_drv_resume(struct device *dev)
 }
 */
 MODULE_ALIAS("au1xxx-ehci");
-/* FIXME use "struct platform_driver" */
-static struct device_driver ehci_hcd_au1xxx_driver = {
-        .name = "au1xxx-ehci",
-        .bus = &platform_bus_type,
+static struct platform_driver ehci_hcd_au1xxx_driver = {
         .probe = ehci_hcd_au1xxx_drv_probe,
         .remove = ehci_hcd_au1xxx_drv_remove,
         /*.suspend      = ehci_hcd_au1xxx_drv_suspend, */
         /*.resume       = ehci_hcd_au1xxx_drv_resume, */
+        .driver = {
+                .name = "au1xxx-ehci",
+                .bus = &platform_bus_type
+        }
 };
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index cee6f538de0a..85b0b4ad4c16 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -625,10 +625,11 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs)
                         writel (status | CMD_RUN, &ehci->regs->command);
 
                 while (i--) {
-                        status = readl (&ehci->regs->port_status [i]);
-                        if (status & PORT_OWNER)
+                        int pstatus = readl (&ehci->regs->port_status [i]);
+
+                        if (pstatus & PORT_OWNER)
                                 continue;
-                        if (!(status & PORT_RESUME)
+                        if (!(pstatus & PORT_RESUME)
                                         || ehci->reset_done [i] != 0)
                                 continue;
 
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index 689261e44018..822914e2f43b 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -101,13 +101,16 @@ static void au1xxx_start_ohc(struct platform_device *dev)
 
 #endif  /* Au1200 */
 
+#ifndef CONFIG_SOC_AU1200
         /* wait for reset complete (read register twice; see au1500 errata) */
         while (au_readl(USB_HOST_CONFIG),
                 !(au_readl(USB_HOST_CONFIG) & USBH_ENABLE_RD))
+#endif
                 udelay(1000);
 
         printk(KERN_DEBUG __FILE__
         ": Clock to USB host has been enabled \n");
+#endif
 }
 
 static void au1xxx_stop_ohc(struct platform_device *dev)
@@ -157,9 +160,9 @@ static int usb_ohci_au1xxx_probe(const struct hc_driver *driver,
         /* Au1200 AB USB does not support coherent memory */
         if (!(read_c0_prid() & 0xff)) {
                 pr_info("%s: this is chip revision AB !!\n",
-                        dev->dev.name);
+                        dev->name);
                 pr_info("%s: update your board or re-configure the kernel\n",
-                        dev->dev.name);
+                        dev->name);
                 return -ENODEV;
         }
 #endif
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
new file mode 100644
index 000000000000..6531c4d26527
--- /dev/null
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -0,0 +1,225 @@
+/*
+ * OHCI HCD (Host Controller Driver) for USB.
+ *
+ * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
+ * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
+ * (C) Copyright 2002 Hewlett-Packard Company
+ *
+ * Bus Glue for ep93xx.
+ *
+ * Written by Christopher Hoover <ch@hpl.hp.com>
+ * Based on fragments of previous driver by Russell King et al.
+ *
+ * Modified for LH7A404 from ohci-sa1111.c
+ *  by Durgesh Pattamatta <pattamattad@sharpsec.com>
+ *
+ * Modified for pxa27x from ohci-lh7a404.c
+ *  by Nick Bane <nick@cecomputing.co.uk> 26-8-2004
+ *
+ * Modified for ep93xx from ohci-pxa27x.c
+ *  by Lennert Buytenhek <buytenh@wantstofly.org> 28-2-2006
+ *  Based on an earlier driver by Ray Lehtiniemi
+ *
+ * This file is licenced under the GPL.
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/signal.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+
+static struct clk *usb_host_clock;
+
+static void ep93xx_start_hc(struct device *dev)
+{
+        clk_enable(usb_host_clock);
+}
+
+static void ep93xx_stop_hc(struct device *dev)
+{
+        clk_disable(usb_host_clock);
+}
+
+static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
+                         struct platform_device *pdev)
+{
+        int retval;
+        struct usb_hcd *hcd;
+
+        if (pdev->resource[1].flags != IORESOURCE_IRQ) {
+                pr_debug("resource[1] is not IORESOURCE_IRQ");
+                return -ENOMEM;
+        }
+
+        hcd = usb_create_hcd(driver, &pdev->dev, "ep93xx");
+        if (hcd == NULL)
+                return -ENOMEM;
+
+        hcd->rsrc_start = pdev->resource[0].start;
+        hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+        if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+                usb_put_hcd(hcd);
+                retval = -EBUSY;
+                goto err1;
+        }
+
+        hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+        if (hcd->regs == NULL) {
+                pr_debug("ioremap failed");
+                retval = -ENOMEM;
+                goto err2;
+        }
+
+        usb_host_clock = clk_get(&pdev->dev, "usb_host");
+        ep93xx_start_hc(&pdev->dev);
+
+        ohci_hcd_init(hcd_to_ohci(hcd));
+
+        retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
+        if (retval == 0)
+                return retval;
+
+        ep93xx_stop_hc(&pdev->dev);
+        iounmap(hcd->regs);
+err2:
+        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err1:
+        usb_put_hcd(hcd);
+
+        return retval;
+}
+
+static void usb_hcd_ep93xx_remove(struct usb_hcd *hcd,
+                        struct platform_device *pdev)
+{
+        usb_remove_hcd(hcd);
+        ep93xx_stop_hc(&pdev->dev);
+        clk_put(usb_host_clock);
+        iounmap(hcd->regs);
+        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+        usb_put_hcd(hcd);
+}
+
+static int __devinit ohci_ep93xx_start(struct usb_hcd *hcd)
+{
+        struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+        int ret;
+
+        if ((ret = ohci_init(ohci)) < 0)
+                return ret;
+
+        if ((ret = ohci_run(ohci)) < 0) {
+                err("can't start %s", hcd->self.bus_name);
+                ohci_stop(hcd);
+                return ret;
+        }
+
+        return 0;
+}
+
+static struct hc_driver ohci_ep93xx_hc_driver = {
+        .description            = hcd_name,
+        .product_desc           = "EP93xx OHCI",
+        .hcd_priv_size          = sizeof(struct ohci_hcd),
+        .irq                    = ohci_irq,
+        .flags                  = HCD_USB11 | HCD_MEMORY,
+        .start                  = ohci_ep93xx_start,
+        .stop                   = ohci_stop,
+        .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,
+};
+
+extern int usb_disabled(void);
+
+static int ohci_hcd_ep93xx_drv_probe(struct platform_device *pdev)
+{
+        int ret;
+
+        ret = -ENODEV;
+        if (!usb_disabled())
+                ret = usb_hcd_ep93xx_probe(&ohci_ep93xx_hc_driver, pdev);
+
+        return ret;
+}
+
+static int ohci_hcd_ep93xx_drv_remove(struct platform_device *pdev)
+{
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+        usb_hcd_ep93xx_remove(hcd, pdev);
+
+        return 0;
+}
+
+#ifdef CONFIG_PM
+static int ohci_hcd_ep93xx_drv_suspend(struct platform_device *pdev, pm_message_t state)
+{
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
+        struct ochi_hcd *ohci = hcd_to_ohci(hcd);
+
+        if (time_before(jiffies, ohci->next_statechange))
+                msleep(5);
+        ohci->next_statechange = jiffies;
+
+        ep93xx_stop_hc(&pdev->dev);
+        hcd->state = HC_STATE_SUSPENDED;
+        pdev->dev.power.power_state = PMSG_SUSPEND;
+
+        return 0;
+}
+
+static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev)
+{
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
+        struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+        int status;
+
+        if (time_before(jiffies, ohci->next_statechange))
+                msleep(5);
+        ohci->next_statechange = jiffies;
+
+        ep93xx_start_hc(&pdev->dev);
+        pdev->dev.power.power_state = PMSG_ON;
+        usb_hcd_resume_root_hub(hcd);
+
+        return 0;
+}
+#endif
+
+
+static struct platform_driver ohci_hcd_ep93xx_driver = {
+        .probe          = ohci_hcd_ep93xx_drv_probe,
+        .remove         = ohci_hcd_ep93xx_drv_remove,
+#ifdef CONFIG_PM
+        .suspend        = ohci_hcd_ep93xx_drv_suspend,
+        .resume         = ohci_hcd_ep93xx_drv_resume,
+#endif
+        .driver         = {
+                .name   = "ep93xx-ohci",
+        },
+};
+
+static int __init ohci_hcd_ep93xx_init(void)
+{
+        return platform_driver_register(&ohci_hcd_ep93xx_driver);
+}
+
+static void __exit ohci_hcd_ep93xx_cleanup(void)
+{
+        platform_driver_unregister(&ohci_hcd_ep93xx_driver);
+}
+
+module_init(ohci_hcd_ep93xx_init);
+module_exit(ohci_hcd_ep93xx_cleanup);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8fb842ed5f6e..afef5ac35b4a 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -901,6 +901,10 @@ MODULE_LICENSE ("GPL");
 #include "ohci-pxa27x.c"
 #endif
 
+#ifdef CONFIG_ARCH_EP93XX
+#include "ohci-ep93xx.c"
+#endif
+
 #ifdef CONFIG_SOC_AU1X00
 #include "ohci-au1xxx.c"
 #endif
@@ -919,6 +923,7 @@ MODULE_LICENSE ("GPL");
       || defined(CONFIG_ARCH_OMAP) \
       || defined (CONFIG_ARCH_LH7A404) \
       || defined (CONFIG_PXA27x) \
+      || defined (CONFIG_ARCH_EP93XX) \
       || defined (CONFIG_SOC_AU1X00) \
       || defined (CONFIG_USB_OHCI_HCD_PPC_SOC) \
       || defined (CONFIG_ARCH_AT91RM9200) \
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 0bb972b58336..5b0a23fd798b 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -581,14 +581,14 @@ static int ohci_hub_control (
                 break;
         case GetHubStatus:
                 temp = roothub_status (ohci) & ~(RH_HS_CRWE | RH_HS_DRWE);
-                *(__le32 *) buf = cpu_to_le32 (temp);
+                put_unaligned(cpu_to_le32 (temp), (__le32 *) buf);
                 break;
         case GetPortStatus:
                 if (!wIndex || wIndex > ports)
                         goto error;
                 wIndex--;
                 temp = roothub_portstatus (ohci, wIndex);
-                *(__le32 *) buf = cpu_to_le32 (temp);
+                put_unaligned(cpu_to_le32 (temp), (__le32 *) buf);
 
 #ifndef OHCI_VERBOSE_DEBUG
         if (*(u16*)(buf+2))     /* only if wPortChange is interesting */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index dff60568b4a1..20861650905e 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -167,8 +167,6 @@ static int __devinit mmio_resource_enabled(struct pci_dev *pdev, int idx)
 static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 {
         void __iomem *base;
-        int wait_time;
-        u32 control;
 
         if (!mmio_resource_enabled(pdev, 0))
                 return;
@@ -179,9 +177,10 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 
 /* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
 #ifndef __hppa__
-        control = readl(base + OHCI_CONTROL);
+{
+        u32 control = readl(base + OHCI_CONTROL);
         if (control & OHCI_CTRL_IR) {
-                wait_time = 500; /* arbitrary; 5 seconds */
+                int wait_time = 500; /* arbitrary; 5 seconds */
                 writel(OHCI_INTR_OC, base + OHCI_INTRENABLE);
                 writel(OHCI_OCR, base + OHCI_CMDSTATUS);
                 while (wait_time > 0 &&
@@ -198,6 +197,7 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
                 /* reset controller, preserving RWC */
                 writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL);
         }
+}
 #endif
 
         /*