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[PATCH 24/25] MIPS: Alchemy: use the OHCI platform driver

To: stern@rowland.harvard.edu
Subject: [PATCH 24/25] MIPS: Alchemy: use the OHCI platform driver
From: Florian Fainelli <florian@openwrt.org>
Date: Wed, 3 Oct 2012 17:03:20 +0200
Cc: linux-usb@vger.kernel.org, Florian Fainelli <florian@openwrt.org>, Ralf Baechle <ralf@linux-mips.org>, Manuel Lauss <manuel.lauss@googlemail.com>, Thomas Meyer <thomas@m3y3r.de>, "David S. Miller" <davem@davemloft.net>, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
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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.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
 arch/mips/alchemy/common/platform.c |   31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/mips/alchemy/common/platform.c 
b/arch/mips/alchemy/common/platform.c
index 57335a2..cd12458 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 
},
@@ -192,6 +221,7 @@ static void __init alchemy_setup_usb(int ctype)
        pdev->name = "au1xxx-ohci";
        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");
@@ -231,6 +261,7 @@ static void __init alchemy_setup_usb(int ctype)
                pdev->name = "au1xxx-ohci";
                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");
-- 
1.7.9.5


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