Merge branches 'pxa-ian' and 'pxa-xm270' into pxa

[linux-2.6-omap-h63xx.git] / drivers / usb / host / ohci-pxa27x.c

diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 23d2fe5a62f4d65c2f2c1c5eac47e79b5cd2d3e0..08b27d6bbd4331b459f001408db933fa0047655f 100644 (file)
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -22,16 +22,20 @@
 #include <linux/device.h>
 #include <linux/signal.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
 
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
 #include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h> /* FIXME: for PSSR */
 #include <asm/arch/ohci.h>
 
 #define PXA_UHC_MAX_PORTNUM    3
 
 #define UHCRHPS(x)              __REG2( 0x4C000050, (x)<<2 )
 
+static struct clk *usb_clk;
+
 /*
   PMM_NPS_MODE -- PMM Non-power switching mode
       Ports are powered continuously.
@@ -80,7 +84,7 @@ static int pxa27x_start_hc(struct device *dev)
 
        inf = dev->platform_data;
 
-       pxa_set_cken(CKEN_USBHOST, 1);
+       clk_enable(usb_clk);
 
        UHCHR |= UHCHR_FHR;
        udelay(11);
@@ -101,7 +105,7 @@ static int pxa27x_start_hc(struct device *dev)
        UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
 
        /* Clear any OTG Pin Hold */
-       if (PSSR & PSSR_OTGPH)
+       if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH))
                PSSR |= PSSR_OTGPH;
 
        return 0;
@@ -123,7 +127,7 @@ static void pxa27x_stop_hc(struct device *dev)
        UHCCOMS |= 1;
        udelay(10);
 
-       pxa_set_cken(CKEN_USBHOST, 0);
+       clk_disable(usb_clk);
 }
 
 
@@ -158,6 +162,10 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
                return -ENOMEM;
        }
 
+       usb_clk = clk_get(&pdev->dev, "USBCLK");
+       if (IS_ERR(usb_clk))
+               return PTR_ERR(usb_clk);
+
        hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x");
        if (!hcd)
                return -ENOMEM;
@@ -201,6 +209,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
  err1:
        usb_put_hcd(hcd);
+       clk_put(usb_clk);
        return retval;
 }
 
@@ -225,6 +234,7 @@ void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev)
        iounmap(hcd->regs);
        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
        usb_put_hcd(hcd);
+       clk_put(usb_clk);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -289,7 +299,6 @@ static const struct hc_driver ohci_pxa27x_hc_driver = {
         */
        .hub_status_data =      ohci_hub_status_data,
        .hub_control =          ohci_hub_control,
-       .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
        .bus_suspend =          ohci_bus_suspend,
        .bus_resume =           ohci_bus_resume,
@@ -330,7 +339,6 @@ static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_
 
        pxa27x_stop_hc(&pdev->dev);
        hcd->state = HC_STATE_SUSPENDED;
-       pdev->dev.power.power_state = PMSG_SUSPEND;
 
        return 0;
 }
@@ -348,13 +356,13 @@ static int ohci_hcd_pxa27x_drv_resume(struct platform_device *pdev)
        if ((status = pxa27x_start_hc(&pdev->dev)) < 0)
                return status;
 
-       pdev->dev.power.power_state = PMSG_ON;
-       usb_hcd_resume_root_hub(hcd);
-
+       ohci_finish_controller_resume(hcd);
        return 0;
 }
 #endif
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:pxa27x-ohci");
 
 static struct platform_driver ohci_hcd_pxa27x_driver = {
        .probe          = ohci_hcd_pxa27x_drv_probe,
@@ -366,6 +374,7 @@ static struct platform_driver ohci_hcd_pxa27x_driver = {
 #endif
        .driver         = {
                .name   = "pxa27x-ohci",
+               .owner  = THIS_MODULE,
        },
 };