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Commit 61ffcafa authored by Karsten Keil's avatar Karsten Keil Committed by Linus Torvalds
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[PATCH] Fix ST 5481 USB driver 



The old driver was not fully adapted to new USB ABI and does not
work.

Signed-off-by: default avatarKarsten Keil <kkeil@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 27b2f679

drivers/isdn/hisax/st5481.h

+2 −2
Original line number Diff line number Diff line
@@ -466,10 +466,10 @@ void st5481_stop(struct st5481_adapter *adapter); 
#define __debug_variable st5481_debug

#include "hisax_debug.h"



#ifdef CONFIG_HISAX_DEBUG



extern int st5481_debug;



#ifdef CONFIG_HISAX_DEBUG



#define DBG_ISO_PACKET(level,urb) \

  if (level & __debug_variable) dump_iso_packet(__FUNCTION__,urb)

drivers/isdn/hisax/st5481_b.c

+14 −8
Original line number Diff line number Diff line
@@ -172,14 +172,18 @@ static void usb_b_out_complete(struct urb *urb, struct pt_regs *regs) 
	test_and_clear_bit(buf_nr, &b_out->busy);



	if (unlikely(urb->status < 0)) {

		if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {

		switch (urb->status) {

			case -ENOENT:

			case -ESHUTDOWN:

			case -ECONNRESET:

				DBG(4,"urb killed status %d", urb->status);

				return; // Give up

			default: 

				WARN("urb status %d",urb->status);

				if (b_out->busy == 0) {

					st5481_usb_pipe_reset(adapter, (bcs->channel+1)*2 | USB_DIR_OUT, NULL, NULL);

				}

		} else {

			DBG(1,"urb killed"); 

			return; // Give up

				break;

		}

	}
@@ -205,7 +209,9 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode) 
	bcs->mode = mode;



	// Cancel all USB transfers on this B channel

	b_out->urb[0]->transfer_flags |= URB_ASYNC_UNLINK;

	usb_unlink_urb(b_out->urb[0]);

	b_out->urb[1]->transfer_flags |= URB_ASYNC_UNLINK;

	usb_unlink_urb(b_out->urb[1]);

	b_out->busy = 0;

drivers/isdn/hisax/st5481_d.c

+15 −11
Original line number Diff line number Diff line
@@ -382,16 +382,20 @@ static void usb_d_out_complete(struct urb *urb, struct pt_regs *regs) 
	test_and_clear_bit(buf_nr, &d_out->busy);



	if (unlikely(urb->status < 0)) {

		if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {

		switch (urb->status) {

			case -ENOENT:

			case -ESHUTDOWN:

			case -ECONNRESET:

				DBG(1,"urb killed status %d", urb->status);

				break;

			default: 

				WARN("urb status %d",urb->status);

				if (d_out->busy == 0) {

					st5481_usb_pipe_reset(adapter, EP_D_OUT | USB_DIR_OUT, fifo_reseted, adapter);

				}

			return;

		} else {

			DBG(1,"urb killed"); 

			return; // Give up

				break;

		}

		return; // Give up

	}



	FsmEvent(&adapter->d_out.fsm, EV_DOUT_COMPLETE, (void *) buf_nr);
@@ -709,14 +713,14 @@ int st5481_setup_d(struct st5481_adapter *adapter) 


	adapter->l1m.fsm = &l1fsm;

	adapter->l1m.state = ST_L1_F3;

	adapter->l1m.debug = 1;

	adapter->l1m.debug = st5481_debug & 0x100;

	adapter->l1m.userdata = adapter;

	adapter->l1m.printdebug = l1m_debug;

	FsmInitTimer(&adapter->l1m, &adapter->timer);



	adapter->d_out.fsm.fsm = &dout_fsm;

	adapter->d_out.fsm.state = ST_DOUT_NONE;

	adapter->d_out.fsm.debug = 1;

	adapter->d_out.fsm.debug = st5481_debug & 0x100;

	adapter->d_out.fsm.userdata = adapter;

	adapter->d_out.fsm.printdebug = dout_debug;

drivers/isdn/hisax/st5481_init.c

+2 −2
Original line number Diff line number Diff line
@@ -43,10 +43,10 @@ static int number_of_leds = 2; /* 2 LEDs on the adpater default */ 
module_param(number_of_leds, int, 0);



#ifdef CONFIG_HISAX_DEBUG

static int debug = 0x1;

static int debug = 0;

module_param(debug, int, 0);

int st5481_debug;

#endif

int st5481_debug;



static LIST_HEAD(adapter_list);

drivers/isdn/hisax/st5481_usb.c

+43 −27
Original line number Diff line number Diff line
@@ -132,11 +132,15 @@ static void usb_ctrl_complete(struct urb *urb, struct pt_regs *regs) 
	struct ctrl_msg *ctrl_msg;

	

	if (unlikely(urb->status < 0)) {

		if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {

			WARN("urb status %d",urb->status);

		} else {

			DBG(1,"urb killed");

		switch (urb->status) {

			case -ENOENT:

			case -ESHUTDOWN:

			case -ECONNRESET:

				DBG(1,"urb killed status %d", urb->status);

				return; // Give up

			default: 

				WARN("urb status %d",urb->status);

				break;

		}

	}
@@ -191,7 +195,7 @@ static void usb_int_complete(struct urb *urb, struct pt_regs *regs) 
		case -ENOENT:

		case -ESHUTDOWN:

			/* this urb is terminated, clean up */

		DBG(1, "urb shutting down with status: %d", urb->status);

			DBG(2, "urb shutting down with status: %d", urb->status);

			return;

		default:

			WARN("nonzero urb status received: %d", urb->status);
@@ -199,7 +203,7 @@ static void usb_int_complete(struct urb *urb, struct pt_regs *regs) 
	}



	

	DBG_PACKET(1, data, INT_PKT_SIZE);

	DBG_PACKET(2, data, INT_PKT_SIZE);

		

	if (urb->actual_length == 0) {

		goto exit;
@@ -250,7 +254,7 @@ int st5481_setup_usb(struct st5481_adapter *adapter) 
	struct urb *urb;

	u8 *buf;

	

	DBG(1,"");

	DBG(2,"");

	

	if ((status = usb_reset_configuration (dev)) < 0) {

		WARN("reset_configuration failed,status=%d",status);
@@ -330,15 +334,17 @@ void st5481_release_usb(struct st5481_adapter *adapter) 
	DBG(1,"");



	// Stop and free Control and Interrupt URBs

	usb_unlink_urb(ctrl->urb);

	usb_kill_urb(ctrl->urb);

	if (ctrl->urb->transfer_buffer)

		kfree(ctrl->urb->transfer_buffer);

	usb_free_urb(ctrl->urb);

	ctrl->urb = NULL;



	usb_unlink_urb(intr->urb);

	usb_kill_urb(intr->urb);

	if (intr->urb->transfer_buffer)

		kfree(intr->urb->transfer_buffer);

	usb_free_urb(intr->urb);

	ctrl->urb = NULL;

}



/*
@@ -406,6 +412,7 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev, 
	spin_lock_init(&urb->lock);

	urb->dev=dev;

	urb->pipe=pipe;

	urb->interval = 1;

	urb->transfer_buffer=buf;

	urb->number_of_packets = num_packets;

	urb->transfer_buffer_length=num_packets*packet_size;
@@ -452,7 +459,9 @@ st5481_setup_isocpipes(struct urb* urb[2], struct usb_device *dev, 
		if (urb[j]) {

			if (urb[j]->transfer_buffer)

				kfree(urb[j]->transfer_buffer);

			urb[j]->transfer_buffer = NULL;

			usb_free_urb(urb[j]);

			urb[j] = NULL;

		}

	}

	return retval;
@@ -463,10 +472,11 @@ void st5481_release_isocpipes(struct urb* urb[2]) 
	int j;



	for (j = 0; j < 2; j++) {

		usb_unlink_urb(urb[j]);

		usb_kill_urb(urb[j]);

		if (urb[j]->transfer_buffer)

			kfree(urb[j]->transfer_buffer);			

		usb_free_urb(urb[j]);

		urb[j] = NULL;

	}

}
@@ -485,11 +495,15 @@ static void usb_in_complete(struct urb *urb, struct pt_regs *regs) 
	int len, count, status;



	if (unlikely(urb->status < 0)) {

		if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {

			WARN("urb status %d",urb->status);

		} else {

			DBG(1,"urb killed");

		switch (urb->status) {

			case -ENOENT:

			case -ESHUTDOWN:

			case -ECONNRESET:

				DBG(1,"urb killed status %d", urb->status);

				return; // Give up

			default: 

				WARN("urb status %d",urb->status);

				break;

		}

	}
@@ -631,7 +645,9 @@ void st5481_in_mode(struct st5481_in *in, int mode) 


	in->mode = mode;



	in->urb[0]->transfer_flags |= URB_ASYNC_UNLINK;

	usb_unlink_urb(in->urb[0]);

	in->urb[1]->transfer_flags |= URB_ASYNC_UNLINK;

	usb_unlink_urb(in->urb[1]);



	if (in->mode != L1_MODE_NULL) {