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path: root/drivers/usb/host/r8a66597-hcd.c
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Diffstat (limited to 'drivers/usb/host/r8a66597-hcd.c')
-rw-r--r--drivers/usb/host/r8a66597-hcd.c101
1 files changed, 65 insertions, 36 deletions
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index ea7126f..c18d879 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -66,7 +66,7 @@ static unsigned short endian;
module_param(endian, ushort, 0644);
MODULE_PARM_DESC(endian, "data endian: big=256, little=0 (default=0)");
-static unsigned short irq_sense = INTL;
+static unsigned short irq_sense = 0xff;
module_param(irq_sense, ushort, 0644);
MODULE_PARM_DESC(irq_sense, "IRQ sense: low level=32, falling edge=0 "
"(default=32)");
@@ -118,7 +118,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
r8a66597_write(r8a66597, SCKE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 1000) {
- err("register access fail.");
+ printk(KERN_ERR "r8a66597: register access fail.\n");
return -ENXIO;
}
} while ((tmp & SCKE) != SCKE);
@@ -128,7 +128,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
r8a66597_write(r8a66597, USBE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 1000) {
- err("register access fail.");
+ printk(KERN_ERR "r8a66597: register access fail.\n");
return -ENXIO;
}
} while ((tmp & USBE) != USBE);
@@ -141,7 +141,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
msleep(1);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 500) {
- err("register access fail.");
+ printk(KERN_ERR "r8a66597: register access fail.\n");
return -ENXIO;
}
} while ((tmp & SCKE) != SCKE);
@@ -265,7 +265,7 @@ static void get_port_number(char *devpath, u16 *root_port, u16 *hub_port)
if (root_port) {
*root_port = (devpath[0] & 0x0F) - 1;
if (*root_port >= R8A66597_MAX_ROOT_HUB)
- err("illegal root port number");
+ printk(KERN_ERR "r8a66597: Illegal root port number.\n");
}
if (hub_port)
*hub_port = devpath[2] & 0x0F;
@@ -286,7 +286,7 @@ static u16 get_r8a66597_usb_speed(enum usb_device_speed speed)
usbspd = HSMODE;
break;
default:
- err("unknown speed");
+ printk(KERN_ERR "r8a66597: unknown speed\n");
break;
}
@@ -385,7 +385,7 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
struct r8a66597_device *dev;
if (is_hub_limit(urb->dev->devpath)) {
- err("Externel hub limit reached.");
+ dev_err(&urb->dev->dev, "External hub limit reached.\n");
return 0;
}
@@ -406,8 +406,9 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
return addr;
}
- err("cannot communicate with a USB device more than 10.(%x)",
- r8a66597->address_map);
+ dev_err(&urb->dev->dev,
+ "cannot communicate with a USB device more than 10.(%x)\n",
+ r8a66597->address_map);
return 0;
}
@@ -447,7 +448,8 @@ static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
do {
tmp = r8a66597_read(r8a66597, reg);
if (i++ > 1000000) {
- err("register%lx, loop %x is timeout", reg, loop);
+ printk(KERN_ERR "r8a66597: register%lx, loop %x "
+ "is timeout\n", reg, loop);
break;
}
ndelay(1);
@@ -675,7 +677,7 @@ static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
array[i++] = 1;
break;
default:
- err("Illegal type");
+ printk(KERN_ERR "r8a66597: Illegal type\n");
return 0;
}
@@ -705,7 +707,7 @@ static u16 get_r8a66597_type(__u8 type)
r8a66597_type = R8A66597_ISO;
break;
default:
- err("Illegal type");
+ printk(KERN_ERR "r8a66597: Illegal type\n");
r8a66597_type = 0x0000;
break;
}
@@ -724,7 +726,7 @@ static u16 get_bufnum(u16 pipenum)
else if (check_interrupt(pipenum))
bufnum = 4 + (pipenum - 6);
else
- err("Illegal pipenum (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
return bufnum;
}
@@ -740,7 +742,7 @@ static u16 get_buf_bsize(u16 pipenum)
else if (check_interrupt(pipenum))
buf_bsize = 0;
else
- err("Illegal pipenum (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
return buf_bsize;
}
@@ -760,10 +762,12 @@ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
if ((r8a66597->dma_map & (1 << i)) != 0)
continue;
- info("address %d, EndpointAddress 0x%02x use DMA FIFO",
- usb_pipedevice(urb->pipe),
- info->dir_in ? USB_ENDPOINT_DIR_MASK + info->epnum
- : info->epnum);
+ dev_info(&dev->udev->dev,
+ "address %d, EndpointAddress 0x%02x use "
+ "DMA FIFO\n", usb_pipedevice(urb->pipe),
+ info->dir_in ?
+ USB_ENDPOINT_DIR_MASK + info->epnum
+ : info->epnum);
r8a66597->dma_map |= 1 << i;
dev->dma_map |= 1 << i;
@@ -1187,7 +1191,7 @@ static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
prepare_status_packet(r8a66597, td);
break;
default:
- err("invalid type.");
+ printk(KERN_ERR "r8a66597: invalid type.\n");
break;
}
@@ -1295,7 +1299,7 @@ static void packet_read(struct r8a66597 *r8a66597, u16 pipenum)
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
- err("in fifo not ready (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum);
finish_request(r8a66597, td, pipenum, td->urb, -EPIPE);
return;
}
@@ -1370,7 +1374,7 @@ static void packet_write(struct r8a66597 *r8a66597, u16 pipenum)
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
- err("out write fifo not ready. (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum);
finish_request(r8a66597, td, pipenum, urb, -EPIPE);
return;
}
@@ -2005,7 +2009,7 @@ static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597,
return dev;
}
- err("get_r8a66597_device fail.(%d)\n", addr);
+ printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr);
return NULL;
}
@@ -2263,7 +2267,7 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
#define resource_len(r) (((r)->end - (r)->start) + 1)
static int __init r8a66597_probe(struct platform_device *pdev)
{
- struct resource *res = NULL;
+ struct resource *res = NULL, *ires;
int irq = -1;
void __iomem *reg = NULL;
struct usb_hcd *hcd = NULL;
@@ -2274,7 +2278,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
if (pdev->dev.dma_mask) {
ret = -EINVAL;
- err("dma not support");
+ dev_err(&pdev->dev, "dma not supported\n");
goto clean_up;
}
@@ -2282,21 +2286,25 @@ static int __init r8a66597_probe(struct platform_device *pdev)
(char *)hcd_name);
if (!res) {
ret = -ENODEV;
- err("platform_get_resource_byname error.");
+ dev_err(&pdev->dev, "platform_get_resource_byname error.\n");
goto clean_up;
}
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
+ ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!ires) {
ret = -ENODEV;
- err("platform_get_irq error.");
+ dev_err(&pdev->dev,
+ "platform_get_resource IORESOURCE_IRQ error.\n");
goto clean_up;
}
+ irq = ires->start;
+ irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
reg = ioremap(res->start, resource_len(res));
if (reg == NULL) {
ret = -ENOMEM;
- err("ioremap error.");
+ dev_err(&pdev->dev, "ioremap error.\n");
goto clean_up;
}
@@ -2304,7 +2312,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name);
if (!hcd) {
ret = -ENOMEM;
- err("Failed to create hcd");
+ dev_err(&pdev->dev, "Failed to create hcd\n");
goto clean_up;
}
r8a66597 = hcd_to_r8a66597(hcd);
@@ -2329,13 +2337,33 @@ static int __init r8a66597_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&r8a66597->child_device);
hcd->rsrc_start = res->start;
- if (irq_sense == INTL)
- irq_trigger = IRQF_TRIGGER_LOW;
- else
- irq_trigger = IRQF_TRIGGER_FALLING;
+
+ /* irq_sense setting on cmdline takes precedence over resource
+ * settings, so the introduction of irqflags in IRQ resourse
+ * won't disturb existing setups */
+ switch (irq_sense) {
+ case INTL:
+ irq_trigger = IRQF_TRIGGER_LOW;
+ break;
+ case 0:
+ irq_trigger = IRQF_TRIGGER_FALLING;
+ break;
+ case 0xff:
+ if (irq_trigger)
+ irq_sense = (irq_trigger & IRQF_TRIGGER_LOW) ?
+ INTL : 0;
+ else {
+ irq_sense = INTL;
+ irq_trigger = IRQF_TRIGGER_LOW;
+ }
+ break;
+ default:
+ dev_err(&pdev->dev, "Unknown irq_sense value.\n");
+ }
+
ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
if (ret != 0) {
- err("Failed to add hcd");
+ dev_err(&pdev->dev, "Failed to add hcd\n");
goto clean_up;
}
@@ -2364,7 +2392,8 @@ static int __init r8a66597_init(void)
if (usb_disabled())
return -ENODEV;
- info("driver %s, %s", hcd_name, DRIVER_VERSION);
+ printk(KERN_INFO KBUILD_MODNAME ": driver %s, %s\n", hcd_name,
+ DRIVER_VERSION);
return platform_driver_register(&r8a66597_driver);
}
module_init(r8a66597_init);
generated by cgit v0.10.2 at 2024-11-09 00:22:17 (GMT)