X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fmusb%2Fmusb_hcd.c;h=06be38d1cf96928b043f0b92fedbc8ec4d91bb9c;hb=3f0be8ea9217311ec41156fd89e3e23a0308f3b2;hp=f38b279096c31fbfaf5abb161526ffa82eca19c1;hpb=9de99326935c158adda792ed8dd1df630434813e;p=oweals%2Fu-boot.git

diff --git a/drivers/usb/musb/musb_hcd.c b/drivers/usb/musb/musb_hcd.c
index f38b279096..06be38d1cf 100644
--- a/drivers/usb/musb/musb_hcd.c
+++ b/drivers/usb/musb/musb_hcd.c
@@ -29,7 +29,7 @@
 #define USB_MSC_BBB_GET_MAX_LUN	0xFE
 
 /* Endpoint configuration information */
-static struct musb_epinfo epinfo[3] = {
+static const struct musb_epinfo epinfo[3] = {
 	{MUSB_BULK_EP, 1, 512}, /* EP1 - Bluk Out - 512 Bytes */
 	{MUSB_BULK_EP, 0, 512}, /* EP1 - Bluk In  - 512 Bytes */
 	{MUSB_INTR_EP, 0, 64}   /* EP2 - Interrupt IN - 64 Bytes */
@@ -41,7 +41,7 @@ static int rh_devnum;
 static u32 port_status;
 
 /* Device descriptor */
-static u8 root_hub_dev_des[] = {
+static const u8 root_hub_dev_des[] = {
 	0x12,			/*  __u8  bLength; */
 	0x01,			/*  __u8  bDescriptorType; Device */
 	0x00,			/*  __u16 bcdUSB; v1.1 */
@@ -63,7 +63,7 @@ static u8 root_hub_dev_des[] = {
 };
 
 /* Configuration descriptor */
-static u8 root_hub_config_des[] = {
+static const u8 root_hub_config_des[] = {
 	0x09,			/*  __u8  bLength; */
 	0x02,			/*  __u8  bDescriptorType; Configuration */
 	0x19,			/*  __u16 wTotalLength; */
@@ -96,14 +96,14 @@ static u8 root_hub_config_des[] = {
 	0xff			/*  __u8  ep_bInterval; 255 ms */
 };
 
-static unsigned char root_hub_str_index0[] = {
+static const unsigned char root_hub_str_index0[] = {
 	0x04,			/*  __u8  bLength; */
 	0x03,			/*  __u8  bDescriptorType; String-descriptor */
 	0x09,			/*  __u8  lang ID */
 	0x04,			/*  __u8  lang ID */
 };
 
-static unsigned char root_hub_str_index1[] = {
+static const unsigned char root_hub_str_index1[] = {
 	0x1c,			/*  __u8  bLength; */
 	0x03,			/*  __u8  bDescriptorType; String-descriptor */
 	'M',			/*  __u8  Unicode */
@@ -557,7 +557,7 @@ static int musb_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
 	int len = 0;
 	int stat = 0;
 	u32 datab[4];
-	u8 *data_buf = (u8 *) datab;
+	const u8 *data_buf = (u8 *) datab;
 	u16 bmRType_bReq;
 	u16 wValue;
 	u16 wIndex;
@@ -778,25 +778,27 @@ static int musb_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
 
 		break;
 
-	case RH_GET_DESCRIPTOR | RH_CLASS:
+	case RH_GET_DESCRIPTOR | RH_CLASS: {
+		u8 *_data_buf = (u8 *) datab;
 		debug("RH_GET_DESCRIPTOR | RH_CLASS\n");
 
-		data_buf[0] = 0x09;	/* min length; */
-		data_buf[1] = 0x29;
-		data_buf[2] = 0x1;	/* 1 port */
-		data_buf[3] = 0x01;	/* per-port power switching */
-		data_buf[3] |= 0x10;	/* no overcurrent reporting */
+		_data_buf[0] = 0x09;	/* min length; */
+		_data_buf[1] = 0x29;
+		_data_buf[2] = 0x1;	/* 1 port */
+		_data_buf[3] = 0x01;	/* per-port power switching */
+		_data_buf[3] |= 0x10;	/* no overcurrent reporting */
 
 		/* Corresponds to data_buf[4-7] */
-		data_buf[4] = 0;
-		data_buf[5] = 5;
-		data_buf[6] = 0;
-		data_buf[7] = 0x02;
-		data_buf[8] = 0xff;
+		_data_buf[4] = 0;
+		_data_buf[5] = 5;
+		_data_buf[6] = 0;
+		_data_buf[7] = 0x02;
+		_data_buf[8] = 0xff;
 
 		len = min_t(unsigned int, leni,
 			    min_t(unsigned int, data_buf[0], wLength));
 		break;
+	}
 
 	case RH_GET_CONFIGURATION:
 		debug("RH_GET_CONFIGURATION\n");
@@ -822,7 +824,7 @@ static int musb_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
 
 	dev->act_len = len;
 	dev->status = stat;
-	debug("dev act_len %d, status %d\n", dev->act_len, dev->status);
+	debug("dev act_len %d, status %lu\n", dev->act_len, dev->status);
 
 	return stat;
 }
@@ -846,18 +848,20 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 			int len, struct devrequest *setup)
 {
 	int devnum = usb_pipedevice(pipe);
-	u16 csr;
 	u8  devspeed;
 
 #ifdef MUSB_NO_MULTIPOINT
 	/* Control message is for the HUB? */
-	if (devnum == rh_devnum)
-		return musb_submit_rh_msg(dev, pipe, buffer, len, setup);
+	if (devnum == rh_devnum) {
+		int stat = musb_submit_rh_msg(dev, pipe, buffer, len, setup);
+		if (stat)
+			return stat;
+	}
 #endif
 
 	/* select control endpoint */
 	writeb(MUSB_CONTROL_EP, &musbr->index);
-	csr = readw(&musbr->txcsr);
+	readw(&musbr->txcsr);
 
 #ifndef MUSB_NO_MULTIPOINT
 	/* target addr and (for multipoint) hub addr/port */
@@ -1088,7 +1092,7 @@ int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
 /*
  * This function initializes the usb controller module.
  */
-int usb_lowlevel_init(void)
+int usb_lowlevel_init(int index, void **controller)
 {
 	u8  power;
 	u32 timeout;
@@ -1109,7 +1113,7 @@ int usb_lowlevel_init(void)
 	 * should be a usb device connected.
 	 */
 	timeout = musb_cfg.timeout;
-	while (timeout--)
+	while (--timeout)
 		if (readb(&musbr->devctl) & MUSB_DEVCTL_HM)
 			break;
 
@@ -1140,7 +1144,7 @@ int usb_lowlevel_init(void)
 /*
  * This function stops the operation of the davinci usb module.
  */
-int usb_lowlevel_stop(void)
+int usb_lowlevel_stop(int index)
 {
 	/* Reset the USB module */
 	musb_platform_deinit();
@@ -1261,31 +1265,3 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe,
 	dev->act_len = len;
 	return 0;
 }
-
-
-#ifdef CONFIG_SYS_USB_EVENT_POLL
-/*
- * This function polls for USB keyboard data.
- */
-void usb_event_poll()
-{
-	struct stdio_dev *dev;
-	struct usb_device *usb_kbd_dev;
-	struct usb_interface *iface;
-	struct usb_endpoint_descriptor *ep;
-	int pipe;
-	int maxp;
-
-	/* Get the pointer to USB Keyboard device pointer */
-	dev = stdio_get_by_name("usbkbd");
-	usb_kbd_dev = (struct usb_device *)dev->priv;
-	iface = &usb_kbd_dev->config.if_desc[0];
-	ep = &iface->ep_desc[0];
-	pipe = usb_rcvintpipe(usb_kbd_dev, ep->bEndpointAddress);
-
-	/* Submit a interrupt transfer request */
-	maxp = usb_maxpacket(usb_kbd_dev, pipe);
-	usb_submit_int_msg(usb_kbd_dev, pipe, &new[0],
-			maxp > 8 ? 8 : maxp, ep->bInterval);
-}
-#endif /* CONFIG_SYS_USB_EVENT_POLL */