πŸš€ go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Thread View: gmane.linux.kernel
2 messages
2 total messages Started by Karsten Keil Sat, 17 Sep 2005 23:52
[PATCH] Fix ST 5481 USB driver
#307727
Author: Karsten Keil
Date: Sat, 17 Sep 2005 23:52
294 lines
8149 bytes
Fix ST 5481 USB driver

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

Signed-off-by: Karsten Keil <kkeil@suse.de>

---

 drivers/isdn/hisax/st5481.h      |    4 +-
 drivers/isdn/hisax/st5481_b.c    |   22 ++++++++----
 drivers/isdn/hisax/st5481_d.c    |   26 ++++++++------
 drivers/isdn/hisax/st5481_init.c |    4 +-
 drivers/isdn/hisax/st5481_usb.c  |   70 +++++++++++++++++++++++---------------
 5 files changed, 76 insertions(+), 50 deletions(-)

0677b284b827fbac20961037982f2a6459a827a8
diff --git a/drivers/isdn/hisax/st5481.h b/drivers/isdn/hisax/st5481.h
--- a/drivers/isdn/hisax/st5481.h
+++ b/drivers/isdn/hisax/st5481.h
@@ -466,10 +466,10 @@ void st5481_stop(struct st5481_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)

diff --git a/drivers/isdn/hisax/st5481_b.c b/drivers/isdn/hisax/st5481_b.c
--- a/drivers/isdn/hisax/st5481_b.c
+++ b/drivers/isdn/hisax/st5481_b.c
@@ -172,14 +172,18 @@ static void usb_b_out_complete(struct ur
 	test_and_clear_bit(buf_nr, &b_out->busy);

 	if (unlikely(urb->status < 0)) {
-		if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {
-			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
+		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);
+				}
+				break;
 		}
 	}

@@ -205,7 +209,9 @@ static void st5481B_mode(struct st5481_b
 	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;

diff --git a/drivers/isdn/hisax/st5481_d.c b/drivers/isdn/hisax/st5481_d.c
--- a/drivers/isdn/hisax/st5481_d.c
+++ b/drivers/isdn/hisax/st5481_d.c
@@ -382,16 +382,20 @@ static void usb_d_out_complete(struct ur
 	test_and_clear_bit(buf_nr, &d_out->busy);

 	if (unlikely(urb->status < 0)) {
-		if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {
-			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
+		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);
+				}
+				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->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;

diff --git a/drivers/isdn/hisax/st5481_init.c b/drivers/isdn/hisax/st5481_init.c
--- a/drivers/isdn/hisax/st5481_init.c
+++ b/drivers/isdn/hisax/st5481_init.c
@@ -43,10 +43,10 @@ static int number_of_leds = 2;       /*
 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);

diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c
--- a/drivers/isdn/hisax/st5481_usb.c
+++ b/drivers/isdn/hisax/st5481_usb.c
@@ -132,11 +132,15 @@ static void usb_ctrl_complete(struct urb
 	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");
-			return; // Give up
+		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;
 		}
 	}

@@ -184,22 +188,22 @@ static void usb_int_complete(struct urb
 	int status;

 	switch (urb->status) {
-	case 0:
-		/* success */
-		break;
-	case -ECONNRESET:
-	case -ENOENT:
-	case -ESHUTDOWN:
-		/* this urb is terminated, clean up */
-		DBG(1, "urb shutting down with status: %d", urb->status);
-		return;
-	default:
-		WARN("nonzero urb status received: %d", urb->status);
-		goto exit;
+		case 0:
+			/* success */
+			break;
+		case -ECONNRESET:
+		case -ENOENT:
+		case -ESHUTDOWN:
+			/* this urb is terminated, clean up */
+			DBG(2, "urb shutting down with status: %d", urb->status);
+			return;
+		default:
+			WARN("nonzero urb status received: %d", urb->status);
+			goto exit;
 	}


-	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_adapt
 	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_ad
 	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 us
 	spin_lock_init(&urb->lock);
 	urb->devÞv;
 	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
 		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
 	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 *
 	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");
-			return; // Give up
+		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

 	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) {

--
Karsten Keil
SuSE Labs
ISDN development
Re: [PATCH] Fix ST 5481 USB driver
#307732
Author: Greg KH
Date: Sat, 17 Sep 2005 15:26
11 lines
359 bytes
On Sat, Sep 17, 2005 at 11:52:42PM +0200, Karsten Keil wrote:
>  	// 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;

URB_ASYNC_UNLINK is now gone in 2.6.14-rc1, so this change will break
the build :(

thanks,

greg k-h
Thread Navigation

This is a paginated view of messages in the thread with full content displayed inline.

Messages are displayed in chronological order, with the original post highlighted in green.

Use pagination controls to navigate through all messages in large threads.

Back to All Threads