MIPS: Alchemy: use the OHCI platform driver

Convert the Alchemy platform to register the ohci-platform driver, now that
the ohci-platform driver properly handles the specific ohci-au1xxx resume
from suspend case.

This also greatly simplifies the power_{on,off} callbacks and make them
work on platform device id instead of checking the OHCI controller base
address like what was done in ohci-au1xxx.c.

Impacted defconfigs are also updated accordingly to select the OHCI platform
driver.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 33 insertions, 2 deletions

diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index b9a5f6dd30d6..7af941d8e717 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -18,6 +18,7 @@
 #include <linux/serial_8250.h>
 #include <linux/slab.h>
 #include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
 
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
@@ -142,6 +143,34 @@ static struct usb_ehci_pdata alchemy_ehci_pdata = {
         .power_suspend  = alchemy_ehci_power_off,
 };
 
+/* Power on callback for the ohci platform driver */
+static int alchemy_ohci_power_on(struct platform_device *pdev)
+{
+        int unit;
+
+        unit = (pdev->id == 1) ?
+                ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0;
+
+        return alchemy_usb_control(unit, 1);
+}
+
+/* Power off/suspend callback for the ohci platform driver */
+static void alchemy_ohci_power_off(struct platform_device *pdev)
+{
+        int unit;
+
+        unit = (pdev->id == 1) ?
+                ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0;
+
+        alchemy_usb_control(unit, 0);
+}
+
+static struct usb_ohci_pdata alchemy_ohci_pdata = {
+        .power_on               = alchemy_ohci_power_on,
+        .power_off              = alchemy_ohci_power_off,
+        .power_suspend          = alchemy_ohci_power_off,
+};
+
 static unsigned long alchemy_ohci_data[][2] __initdata = {
         [ALCHEMY_CPU_AU1000] = { AU1000_USB_OHCI_PHYS_ADDR, AU1000_USB_HOST_INT },
         [ALCHEMY_CPU_AU1500] = { AU1000_USB_OHCI_PHYS_ADDR, AU1500_USB_HOST_INT },
@@ -189,9 +218,10 @@ static void __init alchemy_setup_usb(int ctype)
         res[1].start = alchemy_ohci_data[ctype][1];
         res[1].end = res[1].start;
         res[1].flags = IORESOURCE_IRQ;
-        pdev->name = "au1xxx-ohci";
+        pdev->name = "ohci-platform";
         pdev->id = 0;
         pdev->dev.dma_mask = &alchemy_ohci_dmamask;
+        pdev->dev.platform_data = &alchemy_ohci_pdata;
 
         if (platform_device_register(pdev))
                 printk(KERN_INFO "Alchemy USB: cannot add OHCI0\n");
@@ -228,9 +258,10 @@ static void __init alchemy_setup_usb(int ctype)
                 res[1].start = AU1300_USB_INT;
                 res[1].end = res[1].start;
                 res[1].flags = IORESOURCE_IRQ;
-                pdev->name = "au1xxx-ohci";
+                pdev->name = "ohci-platform";
                 pdev->id = 1;
                 pdev->dev.dma_mask = &alchemy_ohci_dmamask;
+                pdev->dev.platform_data = &alchemy_ohci_pdata;
 
                 if (platform_device_register(pdev))
                         printk(KERN_INFO "Alchemy USB: cannot add OHCI1\n");