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-rw-r--r--drivers/usb/host/ehci-au1xxx.c23
-rw-r--r--drivers/usb/host/ehci-hcd.c7
-rw-r--r--drivers/usb/host/ohci-au1xxx.c7
-rw-r--r--drivers/usb/host/ohci-ep93xx.c225
-rw-r--r--drivers/usb/host/ohci-hcd.c5
-rw-r--r--drivers/usb/host/ohci-hub.c4
-rw-r--r--drivers/usb/host/pci-quirks.c8
7 files changed, 255 insertions, 24 deletions
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index d66867aa527..26ed757d22a 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 cee6f538de0..85b0b4ad4c1 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 689261e4401..822914e2f43 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 00000000000..6531c4d2652
--- /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 8fb842ed5f6..afef5ac35b4 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 0bb972b5833..5b0a23fd798 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 dff60568b4a..20861650905 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
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 23:08:08 +0000