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path: root/drivers/usb/gadget/imx_udc.c
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Diffstat (limited to 'drivers/usb/gadget/imx_udc.c')
-rw-r--r--drivers/usb/gadget/imx_udc.c59
1 files changed, 39 insertions, 20 deletions
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index 9e3fe306301..3ee5bd8bea7 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -1,7 +1,7 @@
/*
* driver/usb/gadget/imx_udc.c
*
- * Copyright (C) 2005 Mike Lee(eemike@gmail.com)
+ * Copyright (C) 2005 Mike Lee <eemike@gmail.com>
* Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -51,7 +51,8 @@ void ep0_chg_stat(const char *label, struct imx_udc_struct *imx_usb,
void imx_udc_enable(struct imx_udc_struct *imx_usb)
{
int temp = __raw_readl(imx_usb->base + USB_CTRL);
- __raw_writel(temp | CTRL_FE_ENA | CTRL_AFE_ENA, imx_usb->base + USB_CTRL);
+ __raw_writel(temp | CTRL_FE_ENA | CTRL_AFE_ENA,
+ imx_usb->base + USB_CTRL);
imx_usb->gadget.speed = USB_SPEED_FULL;
}
@@ -126,7 +127,8 @@ void imx_udc_config(struct imx_udc_struct *imx_usb)
for (j = 0; j < 5; j++) {
__raw_writeb(ep_conf[j],
imx_usb->base + USB_DDAT);
- do {} while (__raw_readl(imx_usb->base + USB_DADR)
+ do {} while (__raw_readl(imx_usb->base
+ + USB_DADR)
& DADR_BSY);
}
}
@@ -183,7 +185,8 @@ void imx_udc_init_ep(struct imx_udc_struct *imx_usb)
temp = (EP_DIR(imx_ep) << 7) | (max << 5)
| (imx_ep->bmAttributes << 3);
__raw_writel(temp, imx_usb->base + USB_EP_STAT(i));
- __raw_writel(temp | EPSTAT_FLUSH, imx_usb->base + USB_EP_STAT(i));
+ __raw_writel(temp | EPSTAT_FLUSH,
+ imx_usb->base + USB_EP_STAT(i));
D_INI(imx_usb->dev, "<%s> ep%d_stat %08x\n", __func__, i,
__raw_readl(imx_usb->base + USB_EP_STAT(i)));
}
@@ -278,15 +281,18 @@ void imx_ep_stall(struct imx_ep_struct *imx_ep)
struct imx_udc_struct *imx_usb = imx_ep->imx_usb;
int temp, i;
- D_ERR(imx_usb->dev, "<%s> Forced stall on %s\n", __func__, imx_ep->ep.name);
+ D_ERR(imx_usb->dev,
+ "<%s> Forced stall on %s\n", __func__, imx_ep->ep.name);
imx_flush(imx_ep);
/* Special care for ep0 */
if (!EP_NO(imx_ep)) {
temp = __raw_readl(imx_usb->base + USB_CTRL);
- __raw_writel(temp | CTRL_CMDOVER | CTRL_CMDERROR, imx_usb->base + USB_CTRL);
- do { } while (__raw_readl(imx_usb->base + USB_CTRL) & CTRL_CMDOVER);
+ __raw_writel(temp | CTRL_CMDOVER | CTRL_CMDERROR,
+ imx_usb->base + USB_CTRL);
+ do { } while (__raw_readl(imx_usb->base + USB_CTRL)
+ & CTRL_CMDOVER);
temp = __raw_readl(imx_usb->base + USB_CTRL);
__raw_writel(temp & ~CTRL_CMDERROR, imx_usb->base + USB_CTRL);
}
@@ -296,7 +302,8 @@ void imx_ep_stall(struct imx_ep_struct *imx_ep)
imx_usb->base + USB_EP_STAT(EP_NO(imx_ep)));
for (i = 0; i < 100; i ++) {
- temp = __raw_readl(imx_usb->base + USB_EP_STAT(EP_NO(imx_ep)));
+ temp = __raw_readl(imx_usb->base
+ + USB_EP_STAT(EP_NO(imx_ep)));
if (!(temp & EPSTAT_STALL))
break;
udelay(20);
@@ -325,7 +332,8 @@ static int imx_udc_wakeup(struct usb_gadget *_gadget)
*******************************************************************************
*/
-static void ep_add_request(struct imx_ep_struct *imx_ep, struct imx_request *req)
+static void ep_add_request(struct imx_ep_struct *imx_ep,
+ struct imx_request *req)
{
if (unlikely(!req))
return;
@@ -334,7 +342,8 @@ static void ep_add_request(struct imx_ep_struct *imx_ep, struct imx_request *req
list_add_tail(&req->queue, &imx_ep->queue);
}
-static void ep_del_request(struct imx_ep_struct *imx_ep, struct imx_request *req)
+static void ep_del_request(struct imx_ep_struct *imx_ep,
+ struct imx_request *req)
{
if (unlikely(!req))
return;
@@ -343,7 +352,8 @@ static void ep_del_request(struct imx_ep_struct *imx_ep, struct imx_request *req
req->in_use = 0;
}
-static void done(struct imx_ep_struct *imx_ep, struct imx_request *req, int status)
+static void done(struct imx_ep_struct *imx_ep,
+ struct imx_request *req, int status)
{
ep_del_request(imx_ep, req);
@@ -494,7 +504,8 @@ static int write_fifo(struct imx_ep_struct *imx_ep, struct imx_request *req)
__func__, imx_ep->ep.name, req,
completed ? "completed" : "not completed");
if (!EP_NO(imx_ep))
- ep0_chg_stat(__func__, imx_ep->imx_usb, EP0_IDLE);
+ ep0_chg_stat(__func__,
+ imx_ep->imx_usb, EP0_IDLE);
}
}
@@ -586,7 +597,8 @@ static void handle_ep0_devreq(struct imx_udc_struct *imx_usb)
"<%s> no setup packet received\n", __func__);
goto stall;
}
- u.word[i] = __raw_readl(imx_usb->base + USB_EP_FDAT(EP_NO(imx_ep)));
+ u.word[i] = __raw_readl(imx_usb->base
+ + USB_EP_FDAT(EP_NO(imx_ep)));
}
temp = imx_ep_empty(imx_ep);
@@ -785,8 +797,10 @@ static int imx_ep_queue
/* Debug */
D_REQ(imx_usb->dev, "<%s> ep%d %s request for [%d] bytes\n",
__func__, EP_NO(imx_ep),
- ((!EP_NO(imx_ep) && imx_ep->imx_usb->ep0state == EP0_IN_DATA_PHASE)
- || (EP_NO(imx_ep) && EP_DIR(imx_ep))) ? "IN" : "OUT", usb_req->length);
+ ((!EP_NO(imx_ep) && imx_ep->imx_usb->ep0state
+ == EP0_IN_DATA_PHASE)
+ || (EP_NO(imx_ep) && EP_DIR(imx_ep)))
+ ? "IN" : "OUT", usb_req->length);
dump_req(__func__, imx_ep, usb_req);
if (imx_ep->stopped) {
@@ -1061,7 +1075,8 @@ static irqreturn_t imx_udc_irq(int irq, void *dev)
/* Config setup */
if (imx_usb->cfg != cfg) {
- D_REQ(imx_usb->dev, "<%s> Change config start\n",__func__);
+ D_REQ(imx_usb->dev,
+ "<%s> Change config start\n", __func__);
u.bRequest = USB_REQ_SET_CONFIGURATION;
u.bRequestType = USB_DIR_OUT |
USB_TYPE_STANDARD |
@@ -1073,11 +1088,13 @@ static irqreturn_t imx_udc_irq(int irq, void *dev)
imx_usb->set_config = 1;
imx_usb->driver->setup(&imx_usb->gadget, &u);
imx_usb->set_config = 0;
- D_REQ(imx_usb->dev, "<%s> Change config done\n",__func__);
+ D_REQ(imx_usb->dev,
+ "<%s> Change config done\n", __func__);
}
if (imx_usb->intf != intf || imx_usb->alt != alt) {
- D_REQ(imx_usb->dev, "<%s> Change interface start\n",__func__);
+ D_REQ(imx_usb->dev,
+ "<%s> Change interface start\n", __func__);
u.bRequest = USB_REQ_SET_INTERFACE;
u.bRequestType = USB_DIR_OUT |
USB_TYPE_STANDARD |
@@ -1090,7 +1107,8 @@ static irqreturn_t imx_udc_irq(int irq, void *dev)
imx_usb->set_config = 1;
imx_usb->driver->setup(&imx_usb->gadget, &u);
imx_usb->set_config = 0;
- D_REQ(imx_usb->dev, "<%s> Change interface done\n",__func__);
+ D_REQ(imx_usb->dev,
+ "<%s> Change interface done\n", __func__);
}
}
@@ -1102,7 +1120,8 @@ static irqreturn_t imx_udc_irq(int irq, void *dev)
*/
if (imx_usb->ep0state == EP0_IDLE) {
temp = __raw_readl(imx_usb->base + USB_CTRL);
- __raw_writel(temp | CTRL_CMDOVER, imx_usb->base + USB_CTRL);
+ __raw_writel(temp | CTRL_CMDOVER,
+ imx_usb->base + USB_CTRL);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 07:04:15 +0000