drivers/usb: regorganisation

move to linux usb driver organisation

as following

drivers/usb/gadget
drivers/usb/host
drivers/usb/musb

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

1 files changed, 0 insertions, 734 deletions

diff --git a/drivers/usb/sl811_usb.c b/drivers/usb/sl811_usb.c
deleted file mode 100644
index a03e469..0000000
--- a/drivers/usb/sl811_usb.c
+++ /dev/null
@@ -1,734 +0,0 @@
-/*
- * (C) Copyright 2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This code is based on linux driver for sl811hs chip, source at
- * drivers/usb/host/sl811.c:
- *
- * SL811 Host Controller Interface driver for USB.
- *
- * Copyright (c) 2003/06, Courage Co., Ltd.
- *
- * Based on:
- *	1.uhci.c by Linus Torvalds, Johannes Erdfelt, Randy Dunlap,
- *	  Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber,
- *	  Adam Richter, Gregory P. Smith;
- *	2.Original SL811 driver (hc_sl811.o) by Pei Liu <pbl@cypress.com>
- *	3.Rewrited as sl811.o by Yin Aihua <yinah:couragetech.com.cn>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-#include <usb.h>
-#include "sl811.h"
-
-#include "../../board/kup/common/kup.h"
-
-#ifdef __PPC__
-# define EIEIO		__asm__ volatile ("eieio")
-#else
-# define EIEIO		/* nothing */
-#endif
-
-#define	 SL811_ADR (0x50000000)
-#define	 SL811_DAT (0x50000001)
-
-#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);})
-
-#ifdef SL811_DEBUG
-static int debug = 9;
-#endif
-
-static int root_hub_devnum = 0;
-static struct usb_port_status rh_status = { 0 };/* root hub port status */
-
-static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
-			       void *data, int buf_len, struct devrequest *cmd);
-
-static void sl811_write (__u8 index, __u8 data)
-{
-	*(volatile unsigned char *) (SL811_ADR) = index;
-	EIEIO;
-	*(volatile unsigned char *) (SL811_DAT) = data;
-	EIEIO;
-}
-
-static __u8 sl811_read (__u8 index)
-{
-	__u8 data;
-
-	*(volatile unsigned char *) (SL811_ADR) = index;
-	EIEIO;
-	data = *(volatile unsigned char *) (SL811_DAT);
-	EIEIO;
-	return (data);
-}
-
-/*
- * Read consecutive bytes of data from the SL811H/SL11H buffer
- */
-static void inline sl811_read_buf(__u8 offset, __u8 *buf, __u8 size)
-{
-	*(volatile unsigned char *) (SL811_ADR) = offset;
-	EIEIO;
-	while (size--) {
-		*buf++ = *(volatile unsigned char *) (SL811_DAT);
-		EIEIO;
-	}
-}
-
-/*
- * Write consecutive bytes of data to the SL811H/SL11H buffer
- */
-static void inline sl811_write_buf(__u8 offset, __u8 *buf, __u8 size)
-{
-	*(volatile unsigned char *) (SL811_ADR) = offset;
-	EIEIO;
-	while (size--) {
-		*(volatile unsigned char *) (SL811_DAT) = *buf++;
-		EIEIO;
-	}
-}
-
-int usb_init_kup4x (void)
-{
-	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
-	volatile memctl8xx_t *memctl = &immap->im_memctl;
-	int i;
-	unsigned char tmp;
-
-	memctl = &immap->im_memctl;
-	memctl->memc_or7 = 0xFFFF8726;
-	memctl->memc_br7 = 0x50000401;	/* start at 0x50000000 */
-	/* BP 14 low = USB ON */
-	immap->im_cpm.cp_pbdat &= ~(BP_USB_VCC);
-	/* PB 14 nomal port */
-	immap->im_cpm.cp_pbpar &= ~(BP_USB_VCC);
-	/* output */
-	immap->im_cpm.cp_pbdir |= (BP_USB_VCC);
-
-	puts ("USB:   ");
-
-	for (i = 0x10; i < 0xff; i++) {
-		sl811_write(i, i);
-		tmp = (sl811_read(i));
-		if (tmp != i) {
-			printf ("SL811 compare error index=0x%02x read=0x%02x\n", i, tmp);
-			return (-1);
-		}
-	}
-	printf ("SL811 ready\n");
-	return (0);
-}
-
-/*
- * This function resets SL811HS controller and detects the speed of
- * the connecting device
- *
- * Return: 0 = no device attached; 1 = USB device attached
- */
-static int sl811_hc_reset(void)
-{
-	int status ;
-
-	sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
-	sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
-
-	mdelay(20);
-
-	/* Disable hardware SOF generation, clear all irq status. */
-	sl811_write(SL811_CTRL1, 0);
-	mdelay(2);
-	sl811_write(SL811_INTRSTS, 0xff);
-	status = sl811_read(SL811_INTRSTS);
-
-	if (status & SL811_INTR_NOTPRESENT) {
-		/* Device is not present */
-		PDEBUG(0, "Device not present\n");
-		rh_status.wPortStatus &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE);
-		rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
-		sl811_write(SL811_INTR, SL811_INTR_INSRMV);
-		return 0;
-	}
-
-	/* Send SOF to address 0, endpoint 0. */
-	sl811_write(SL811_LEN_B, 0);
-	sl811_write(SL811_PIDEP_B, PIDEP(USB_PID_SOF, 0));
-	sl811_write(SL811_DEV_B, 0x00);
-	sl811_write(SL811_SOFLOW, SL811_12M_LOW);
-
-	if (status & SL811_INTR_SPEED_FULL) {
-		/* full speed device connect directly to root hub */
-		PDEBUG (0, "Full speed Device attached\n");
-
-		sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
-		mdelay(20);
-		sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
-		sl811_write(SL811_CTRL1, SL811_CTRL1_SOF);
-
-		/* start the SOF or EOP */
-		sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
-		rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION;
-		rh_status.wPortStatus &= ~USB_PORT_STAT_LOW_SPEED;
-		mdelay(2);
-		sl811_write(SL811_INTRSTS, 0xff);
-	} else {
-		/* slow speed device connect directly to root-hub */
-		PDEBUG(0, "Low speed Device attached\n");
-
-		sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
-		mdelay(20);
-		sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_CTL2_DSWAP | SL811_12M_HI);
-		sl811_write(SL811_CTRL1, SL811_CTRL1_SPEED_LOW | SL811_CTRL1_SOF);
-
-		/* start the SOF or EOP */
-		sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
-		rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION | USB_PORT_STAT_LOW_SPEED;
-		mdelay(2);
-		sl811_write(SL811_INTRSTS, 0xff);
-	}
-
-	rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
-	sl811_write(SL811_INTR, /*SL811_INTR_INSRMV*/SL811_INTR_DONE_A);
-
-	return 1;
-}
-
-int usb_lowlevel_init(void)
-{
-	root_hub_devnum = 0;
-	sl811_hc_reset();
-	return 0;
-}
-
-int usb_lowlevel_stop(void)
-{
-	sl811_hc_reset();
-	return 0;
-}
-
-static int calc_needed_buswidth(int bytes, int need_preamble)
-{
-	return !need_preamble ? bytes * 8 + 256 : 8 * 8 * bytes + 2048;
-}
-
-static int sl811_send_packet(struct usb_device *dev, unsigned long pipe, __u8 *buffer, int len)
-{
-	__u8 ctrl = SL811_USB_CTRL_ARM | SL811_USB_CTRL_ENABLE;
-	__u16 status = 0;
-	int err = 0, time_start = get_timer(0);
-	int need_preamble = !(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
-		usb_pipeslow(pipe);
-
-	if (len > 239)
-		return -1;
-
-	if (usb_pipeout(pipe))
-		ctrl |= SL811_USB_CTRL_DIR_OUT;
-	if (usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)))
-		ctrl |= SL811_USB_CTRL_TOGGLE_1;
-	if (need_preamble)
-		ctrl |= SL811_USB_CTRL_PREAMBLE;
-
-	sl811_write(SL811_INTRSTS, 0xff);
-
-	while (err < 3) {
-		sl811_write(SL811_ADDR_A, 0x10);
-		sl811_write(SL811_LEN_A, len);
-		if (usb_pipeout(pipe) && len)
-			sl811_write_buf(0x10, buffer, len);
-
-		if (!(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
-		    sl811_read(SL811_SOFCNTDIV)*64 < calc_needed_buswidth(len, need_preamble))
-			ctrl |= SL811_USB_CTRL_SOF;
-		else
-			ctrl &= ~SL811_USB_CTRL_SOF;
-
-		sl811_write(SL811_CTRL_A, ctrl);
-		while (!(sl811_read(SL811_INTRSTS) & SL811_INTR_DONE_A)) {
-			if (5*CONFIG_SYS_HZ < get_timer(time_start)) {
-				printf("USB transmit timed out\n");
-				return -USB_ST_CRC_ERR;
-			}
-		}
-
-		sl811_write(SL811_INTRSTS, 0xff);
-		status = sl811_read(SL811_STS_A);
-
-		if (status & SL811_USB_STS_ACK) {
-			int remainder = sl811_read(SL811_CNT_A);
-			if (remainder) {
-				PDEBUG(0, "usb transfer remainder = %d\n", remainder);
-				len -= remainder;
-			}
-			if (usb_pipein(pipe) && len)
-				sl811_read_buf(0x10, buffer, len);
-			return len;
-		}
-
-		if ((status & SL811_USB_STS_NAK) == SL811_USB_STS_NAK)
-			continue;
-
-		PDEBUG(0, "usb transfer error %#x\n", (int)status);
-		err++;
-	}
-
-	err = 0;
-
-	if (status & SL811_USB_STS_ERROR)
-		err |= USB_ST_BUF_ERR;
-	if (status & SL811_USB_STS_TIMEOUT)
-		err |= USB_ST_CRC_ERR;
-	if (status & SL811_USB_STS_STALL)
-		err |= USB_ST_STALLED;
-
-	return -err;
-}
-
-int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		    int len)
-{
-	int dir_out = usb_pipeout(pipe);
-	int ep = usb_pipeendpoint(pipe);
-	int max = usb_maxpacket(dev, pipe);
-	int done = 0;
-
-	PDEBUG(7, "dev = %ld pipe = %ld buf = %p size = %d dir_out = %d\n",
-	       usb_pipedevice(pipe), usb_pipeendpoint(pipe), buffer, len, dir_out);
-
-	dev->status = 0;
-
-	sl811_write(SL811_DEV_A, usb_pipedevice(pipe));
-	sl811_write(SL811_PIDEP_A, PIDEP(!dir_out ? USB_PID_IN : USB_PID_OUT, ep));
-	while (done < len) {
-		int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
-					    max > len - done ? len - done : max);
-		if (res < 0) {
-			dev->status = -res;
-			return res;
-		}
-
-		if (!dir_out && res < max) /* short packet */
-			break;
-
-		done += res;
-		usb_dotoggle(dev, ep, dir_out);
-	}
-
-	dev->act_len = done;
-
-	return 0;
-}
-
-int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		       int len,struct devrequest *setup)
-{
-	int done = 0;
-	int devnum = usb_pipedevice(pipe);
-	int ep = usb_pipeendpoint(pipe);
-
-	dev->status = 0;
-
-	if (devnum == root_hub_devnum)
-		return sl811_rh_submit_urb(dev, pipe, buffer, len, setup);
-
-	PDEBUG(7, "dev = %d pipe = %ld buf = %p size = %d rt = %#x req = %#x bus = %i\n",
-	       devnum, ep, buffer, len, (int)setup->requesttype,
-	       (int)setup->request, sl811_read(SL811_SOFCNTDIV)*64);
-
-	sl811_write(SL811_DEV_A, devnum);
-	sl811_write(SL811_PIDEP_A, PIDEP(USB_PID_SETUP, ep));
-	/* setup phase */
-	usb_settoggle(dev, ep, 1, 0);
-	if (sl811_send_packet(dev, usb_sndctrlpipe(dev, ep),
-			      (__u8*)setup, sizeof(*setup)) == sizeof(*setup)) {
-		int dir_in = usb_pipein(pipe);
-		int max = usb_maxpacket(dev, pipe);
-
-		/* data phase */
-		sl811_write(SL811_PIDEP_A,
-			    PIDEP(dir_in ? USB_PID_IN : USB_PID_OUT, ep));
-		usb_settoggle(dev, ep, usb_pipeout(pipe), 1);
-		while (done < len) {
-			int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
-						    max > len - done ? len - done : max);
-			if (res < 0) {
-				PDEBUG(0, "status data failed!\n");
-				dev->status = -res;
-				return 0;
-			}
-			done += res;
-			usb_dotoggle(dev, ep, usb_pipeout(pipe));
-			if (dir_in && res < max) /* short packet */
-				break;
-		}
-
-		/* status phase */
-		sl811_write(SL811_PIDEP_A,
-			    PIDEP(!dir_in ? USB_PID_IN : USB_PID_OUT, ep));
-		usb_settoggle(dev, ep, !usb_pipeout(pipe), 1);
-		if (sl811_send_packet(dev,
-				      !dir_in ? usb_rcvctrlpipe(dev, ep) :
-				      usb_sndctrlpipe(dev, ep),
-				      0, 0) < 0) {
-			PDEBUG(0, "status phase failed!\n");
-			dev->status = -1;
-		}
-	} else {
-		PDEBUG(0, "setup phase failed!\n");
-		dev->status = -1;
-	}
-
-	dev->act_len = done;
-
-	return done;
-}
-
-int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		   int len, int interval)
-{
-	PDEBUG(0, "dev = %p pipe = %#lx buf = %p size = %d int = %d\n", dev, pipe,
-	       buffer, len, interval);
-	return -1;
-}
-
-/*
- * SL811 Virtual Root Hub
- */
-
-/* Device descriptor */
-static __u8 sl811_rh_dev_des[] =
-{
-	0x12,	    /*	__u8  bLength; */
-	0x01,	    /*	__u8  bDescriptorType; Device */
-	0x10,	    /*	__u16 bcdUSB; v1.1 */
-	0x01,
-	0x09,	    /*	__u8  bDeviceClass; HUB_CLASSCODE */
-	0x00,	    /*	__u8  bDeviceSubClass; */
-	0x00,	    /*	__u8  bDeviceProtocol; */
-	0x08,	    /*	__u8  bMaxPacketSize0; 8 Bytes */
-	0x00,	    /*	__u16 idVendor; */
-	0x00,
-	0x00,	    /*	__u16 idProduct; */
-	0x00,
-	0x00,	    /*	__u16 bcdDevice; */
-	0x00,
-	0x00,	    /*	__u8  iManufacturer; */
-	0x02,	    /*	__u8  iProduct; */
-	0x01,	    /*	__u8  iSerialNumber; */
-	0x01	    /*	__u8  bNumConfigurations; */
-};
-
-/* Configuration descriptor */
-static __u8 sl811_rh_config_des[] =
-{
-	0x09,	    /*	__u8  bLength; */
-	0x02,	    /*	__u8  bDescriptorType; Configuration */
-	0x19,	    /*	__u16 wTotalLength; */
-	0x00,
-	0x01,	    /*	__u8  bNumInterfaces; */
-	0x01,	    /*	__u8  bConfigurationValue; */
-	0x00,	    /*	__u8  iConfiguration; */
-	0x40,	    /*	__u8  bmAttributes;
-		    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup,
-		    4..0: resvd */
-	0x00,	    /*	__u8  MaxPower; */
-
-	/* interface */
-	0x09,	    /*	__u8  if_bLength; */
-	0x04,	    /*	__u8  if_bDescriptorType; Interface */
-	0x00,	    /*	__u8  if_bInterfaceNumber; */
-	0x00,	    /*	__u8  if_bAlternateSetting; */
-	0x01,	    /*	__u8  if_bNumEndpoints; */
-	0x09,	    /*	__u8  if_bInterfaceClass; HUB_CLASSCODE */
-	0x00,	    /*	__u8  if_bInterfaceSubClass; */
-	0x00,	    /*	__u8  if_bInterfaceProtocol; */
-	0x00,	    /*	__u8  if_iInterface; */
-
-	/* endpoint */
-	0x07,	    /*	__u8  ep_bLength; */
-	0x05,	    /*	__u8  ep_bDescriptorType; Endpoint */
-	0x81,	    /*	__u8  ep_bEndpointAddress; IN Endpoint 1 */
-	0x03,	    /*	__u8  ep_bmAttributes; Interrupt */
-	0x08,	    /*	__u16 ep_wMaxPacketSize; */
-	0x00,
-	0xff	    /*	__u8  ep_bInterval; 255 ms */
-};
-
-/* root hub class descriptor*/
-static __u8 sl811_rh_hub_des[] =
-{
-	0x09,			/*  __u8  bLength; */
-	0x29,			/*  __u8  bDescriptorType; Hub-descriptor */
-	0x01,			/*  __u8  bNbrPorts; */
-	0x00,			/* __u16  wHubCharacteristics; */
-	0x00,
-	0x50,			/*  __u8  bPwrOn2pwrGood; 2ms */
-	0x00,			/*  __u8  bHubContrCurrent; 0 mA */
-	0xfc,			/*  __u8  DeviceRemovable; *** 7 Ports max *** */
-	0xff			/*  __u8  PortPwrCtrlMask; *** 7 ports max *** */
-};
-
-/*
- * helper routine for returning string descriptors in UTF-16LE
- * input can actually be ISO-8859-1; ASCII is its 7-bit subset
- */
-static int ascii2utf (char *s, u8 *utf, int utfmax)
-{
-	int retval;
-
-	for (retval = 0; *s && utfmax > 1; utfmax -= 2, retval += 2) {
-		*utf++ = *s++;
-		*utf++ = 0;
-	}
-	return retval;
-}
-
-/*
- * root_hub_string is used by each host controller's root hub code,
- * so that they're identified consistently throughout the system.
- */
-static int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
-{
-	char buf [30];
-
-	/* assert (len > (2 * (sizeof (buf) + 1)));
-	   assert (strlen (type) <= 8);*/
-
-	/* language ids */
-	if (id == 0) {
-		*data++ = 4; *data++ = 3;	/* 4 bytes data */
-		*data++ = 0; *data++ = 0;	/* some language id */
-		return 4;
-
-	/* serial number */
-	} else if (id == 1) {
-		sprintf (buf, "%#x", serial);
-
-	/* product description */
-	} else if (id == 2) {
-		sprintf (buf, "USB %s Root Hub", type);
-
-	/* id 3 == vendor description */
-
-	/* unsupported IDs --> "stall" */
-	} else
-	    return 0;
-
-	ascii2utf (buf, data + 2, len - 2);
-	data [0] = 2 + strlen(buf) * 2;
-	data [1] = 3;
-	return data [0];
-}
-
-/* helper macro */
-#define OK(x)	len = (x); break
-
-/*
- * This function handles all USB request to the the virtual root hub
- */
-static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
-			       void *data, int buf_len, struct devrequest *cmd)
-{
-	__u8 data_buf[16];
-	__u8 *bufp = data_buf;
-	int len = 0;
-	int status = 0;
-
-	__u16 bmRType_bReq;
-	__u16 wValue;
-	__u16 wIndex;
-	__u16 wLength;
-
-	if (usb_pipeint(pipe)) {
-		PDEBUG(0, "interrupt transfer unimplemented!\n");
-		return 0;
-	}
-
-	bmRType_bReq  = cmd->requesttype | (cmd->request << 8);
-	wValue	      = le16_to_cpu (cmd->value);
-	wIndex	      = le16_to_cpu (cmd->index);
-	wLength	      = le16_to_cpu (cmd->length);
-
-	PDEBUG(5, "submit rh urb, req = %d(%x) val = %#x index = %#x len=%d\n",
-	       bmRType_bReq, bmRType_bReq, wValue, wIndex, wLength);
-
-	/* Request Destination:
-		   without flags: Device,
-		   USB_RECIP_INTERFACE: interface,
-		   USB_RECIP_ENDPOINT: endpoint,
-		   USB_TYPE_CLASS means HUB here,
-		   USB_RECIP_OTHER | USB_TYPE_CLASS  almost ever means HUB_PORT here
-	*/
-	switch (bmRType_bReq) {
-	case RH_GET_STATUS:
-		*(__u16 *)bufp = cpu_to_le16(1);
-		OK(2);
-
-	case RH_GET_STATUS | USB_RECIP_INTERFACE:
-		*(__u16 *)bufp = cpu_to_le16(0);
-		OK(2);
-
-	case RH_GET_STATUS | USB_RECIP_ENDPOINT:
-		*(__u16 *)bufp = cpu_to_le16(0);
-		OK(2);
-
-	case RH_GET_STATUS | USB_TYPE_CLASS:
-		*(__u32 *)bufp = cpu_to_le32(0);
-		OK(4);
-
-	case RH_GET_STATUS | USB_RECIP_OTHER | USB_TYPE_CLASS:
-		*(__u32 *)bufp = cpu_to_le32(rh_status.wPortChange<<16 | rh_status.wPortStatus);
-		OK(4);
-
-	case RH_CLEAR_FEATURE | USB_RECIP_ENDPOINT:
-		switch (wValue) {
-		case 1:
-			OK(0);
-		}
-		break;
-
-	case RH_CLEAR_FEATURE | USB_TYPE_CLASS:
-		switch (wValue) {
-		case C_HUB_LOCAL_POWER:
-			OK(0);
-
-		case C_HUB_OVER_CURRENT:
-			OK(0);
-		}
-		break;
-
-	case RH_CLEAR_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
-		switch (wValue) {
-		case USB_PORT_FEAT_ENABLE:
-			rh_status.wPortStatus &= ~USB_PORT_STAT_ENABLE;
-			OK(0);
-
-		case USB_PORT_FEAT_SUSPEND:
-			rh_status.wPortStatus &= ~USB_PORT_STAT_SUSPEND;
-			OK(0);
-
-		case USB_PORT_FEAT_POWER:
-			rh_status.wPortStatus &= ~USB_PORT_STAT_POWER;
-			OK(0);
-
-		case USB_PORT_FEAT_C_CONNECTION:
-			rh_status.wPortChange &= ~USB_PORT_STAT_C_CONNECTION;
-			OK(0);
-
-		case USB_PORT_FEAT_C_ENABLE:
-			rh_status.wPortChange &= ~USB_PORT_STAT_C_ENABLE;
-			OK(0);
-
-		case USB_PORT_FEAT_C_SUSPEND:
-			rh_status.wPortChange &= ~USB_PORT_STAT_C_SUSPEND;
-			OK(0);
-
-		case USB_PORT_FEAT_C_OVER_CURRENT:
-			rh_status.wPortChange &= ~USB_PORT_STAT_C_OVERCURRENT;
-			OK(0);
-
-		case USB_PORT_FEAT_C_RESET:
-			rh_status.wPortChange &= ~USB_PORT_STAT_C_RESET;
-			OK(0);
-		}
-		break;
-
-	case RH_SET_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
-		switch (wValue) {
-		case USB_PORT_FEAT_SUSPEND:
-			rh_status.wPortStatus |= USB_PORT_STAT_SUSPEND;
-			OK(0);
-
-		case USB_PORT_FEAT_RESET:
-			rh_status.wPortStatus |= USB_PORT_STAT_RESET;
-			rh_status.wPortChange = 0;
-			rh_status.wPortChange |= USB_PORT_STAT_C_RESET;
-			rh_status.wPortStatus &= ~USB_PORT_STAT_RESET;
-			rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
-			OK(0);
-
-		case USB_PORT_FEAT_POWER:
-			rh_status.wPortStatus |= USB_PORT_STAT_POWER;
-			OK(0);
-
-		case USB_PORT_FEAT_ENABLE:
-			rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
-			OK(0);
-		}
-		break;
-
-	case RH_SET_ADDRESS:
-		root_hub_devnum = wValue;
-		OK(0);
-
-	case RH_GET_DESCRIPTOR:
-		switch ((wValue & 0xff00) >> 8) {
-		case USB_DT_DEVICE:
-			len = sizeof(sl811_rh_dev_des);
-			bufp = sl811_rh_dev_des;
-			OK(len);
-
-		case USB_DT_CONFIG:
-			len = sizeof(sl811_rh_config_des);
-			bufp = sl811_rh_config_des;
-			OK(len);
-
-		case USB_DT_STRING:
-			len = usb_root_hub_string(wValue & 0xff, (int)(long)0,	"SL811HS", data, wLength);
-			if (len > 0) {
-				bufp = data;
-				OK(len);
-			}
-
-		default:
-			status = -32;
-		}
-		break;
-
-	case RH_GET_DESCRIPTOR | USB_TYPE_CLASS:
-		len = sizeof(sl811_rh_hub_des);
-		bufp = sl811_rh_hub_des;
-		OK(len);
-
-	case RH_GET_CONFIGURATION:
-		bufp[0] = 0x01;
-		OK(1);
-
-	case RH_SET_CONFIGURATION:
-		OK(0);
-
-	default:
-		PDEBUG(1, "unsupported root hub command\n");
-		status = -32;
-	}
-
-	len = min(len, buf_len);
-	if (data != bufp)
-		memcpy(data, bufp, len);
-
-	PDEBUG(5, "len = %d, status = %d\n", len, status);
-
-	usb_dev->status = status;
-	usb_dev->act_len = len;
-
-	return status == 0 ? len : status;
-}