X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/c51009aa07196b8ca6bac39ad47e93b8a5940210..015aed13171ff6201459286e15fc5e0686a46907:/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c

diff --git a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
index 0164bbb91..c8be7393f 100644
--- a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
+++ b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
@@ -18,6 +18,7 @@
 #include <linux/usb.h>
 #include <linux/platform_device.h>
 
+#include <asm/bootinfo.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/system.h>
@@ -30,6 +31,8 @@ MODULE_DESCRIPTION("ADM5120 USB Host Controller Driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
 
+#define PFX	"adm5120-hcd: "
+
 #define ADMHCD_REG_CONTROL		0x00
 #define ADMHCD_REG_INTSTATUS		0x04
 #define ADMHCD_REG_INTENABLE		0x08
@@ -328,9 +331,8 @@ static void admhcd_ed_start(struct admhcd *ahcd, struct admhcd_ed *ed)
 	ahcd->dma_en |= ADMHCD_DMA_EN;
 }
 
-static irqreturn_t adm5120hcd_irq(int irq, void *ptr, struct pt_regs *regs)
+static irqreturn_t adm5120hcd_irq(struct usb_hcd *hcd)
 {
-	struct usb_hcd *hcd = (struct usb_hcd *)ptr;
 	struct admhcd *ahcd = hcd_to_admhcd(hcd);
 	u32 intstatus;
 
@@ -689,6 +691,7 @@ static struct hc_driver adm5120_hc_driver = {
 	.description =		hcd_name,
 	.product_desc =		"ADM5120 HCD",
 	.hcd_priv_size =	sizeof(struct admhcd),
+	.irq =			adm5120hcd_irq,
 	.flags =		HCD_USB11,
 	.urb_enqueue =		admhcd_urb_enqueue,
 	.urb_dequeue =		admhcd_urb_dequeue,
@@ -702,72 +705,75 @@ static struct hc_driver adm5120_hc_driver = {
 
 static int __init adm5120hcd_probe(struct platform_device *pdev)
 {
-	struct usb_hcd *hcd;
-	struct admhcd *ahcd;
+        struct usb_hcd *hcd;
+        struct admhcd *ahcd;
 	struct resource *addr, *data;
 	void __iomem *addr_reg;
 	void __iomem *data_reg;
-	int irq, err = 0;
+
+        int err = 0, irq;
 
 	if (pdev->num_resources < 3) {
 		err = -ENODEV;
 		goto out;
-	}
+        }
 
-	data = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	addr = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (pdev->dev.dma_mask) {
+                printk(KERN_DEBUG "no we won't dma\n");
+                return -EINVAL;
+        }
 
-	if (request_irq(data.start, adm5120hcd_irq, 0, hcd_name, hcd)) {
-		printk(KERN_WARNING "Could not request IRQ\n");
-		err = -EBUSY;
-		goto out;
-	}
+	irq = platform_get_irq(pdev, 0);
+	data = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        addr = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 
 	if (!addr || !data || irq < 0) {
-		err = -ENODEV;
-		goto out;
-	}
-
-	if (pdev->dev.dma_mask) {
-		printk(KERN_DEBUG "DMA not supported\n");
-		err = -EINVAL;
-		goto out;
-	}
+                err = -ENODEV;
+                goto out;
+        }
 
 	if (!request_mem_region(addr->start, 2, hcd_name)) {
-		err = -EBUSY;
-		goto out;
-	}
-	addr_reg = ioremap(addr->start, resource_len(addr));
-	if (addr_reg == NULL) {
-		err = -ENOMEM;
-		goto out_mem;
-	}
-	if (!request_mem_region(data->start, 2, hcd_name)) {
-		err = -EBUSY;
-		goto out_unmap;
-	}
-	data_reg = ioremap(data->start, resource_len(data));
-	if (data_reg == NULL) {
-		err = -ENOMEM;
-		goto out_mem;
-	}
-
+                err = -EBUSY;
+                goto out;
+        }
+
+        addr_reg = ioremap(addr->start, resource_len(addr));
+        if (addr_reg == NULL) {
+                err = -ENOMEM;
+                goto out_mem;
+        }
+        if (!request_mem_region(data->start, 2, hcd_name)) {
+                err = -EBUSY;
+                goto out_unmap;
+        }
+
+        data_reg = ioremap(data->start, resource_len(data));
+        if (data_reg == NULL) {
+                err = -ENOMEM;
+                goto out_mem;
+        }
 
 	hcd = usb_create_hcd(&adm5120_hc_driver, &pdev->dev, pdev->dev.bus_id);
-	if (!hcd)
-		goto out_mem;
+        if (!hcd)
+                goto out_mem;
 
+	hcd->rsrc_start = addr->start;
 	ahcd = hcd_to_admhcd(hcd);
-	ahcd->data_reg = data_reg;
-	ahcd->addr_reg = addr_reg;
+
 	spin_lock_init(&ahcd->lock);
 	INIT_LIST_HEAD(&ahcd->async);
 
+	ahcd->data_reg = data_reg;
+        ahcd->addr_reg = addr_reg;
+
+	hcd->product_desc = "ADM5120 HCD";
+
 	/* Initialise the HCD registers */
 	admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, 0);
 	mdelay(10);
+
 	admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_SW_RESET);
+
 	while (admhcd_reg_get(ahcd, ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET)
 		mdelay(1);
 
@@ -793,7 +799,7 @@ out_dev:
 out_unmap:
 	iounmap(addr_reg);
 out_mem:
-	release_mem_region(addr->start, 2);
+	release_mem_region(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start);
 out:
 	return err;
 }
@@ -816,19 +822,30 @@ static struct platform_driver adm5120hcd_driver = {
 	.probe =	adm5120hcd_probe,
 	.remove =	adm5120hcd_remove,
 	.driver	=	{
-		.name 	= "adm5120-hcd",
+		.name 	= "adm5120-usbc",
 		.owner 	= THIS_MODULE,
 	},
 };
 
 static int __init adm5120hcd_init(void)
 {
-	if (usb_disabled())
+	int ret;
+
+	if (usb_disabled()) {
+		printk(KERN_DEBUG PFX "USB support is disabled\n");
 		return -ENODEV;
-	if (!adm5120_board.has_usb)
+	}
+
+	if (mips_machgroup != MACH_GROUP_ADM5120) {
+		printk(KERN_DEBUG PFX "unsupported machine group\n");
 		return -ENODEV;
+	}
 
-	return platform_driver_register(&adm5120hcd_driver);
+	ret = platform_driver_register(&adm5120hcd_driver);
+	if (ret == 0)
+		printk(KERN_INFO PFX "registered\n");
+
+	return ret;
 }
 
 static void __exit adm5120hcd_exit(void)