staging: xillybus: Use dev_* functions instead of pr_* in xillybus_core

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xillybus/xillybus_core.c

@@ -101,7 +101,7 @@ static struct workqueue_struct *xillybus_wq;
  * wr_mutex -> rd_mutex -> register_mutex -> wr_spinlock -> rd_spinlock
  */
 
-static void malformed_message(u32 *buf)
+static void malformed_message(struct xilly_endpoint *endpoint, u32 *buf)
 {
 	int opcode;
 	int msg_channel, msg_bufno, msg_data, msg_dir;
@@ -112,7 +112,8 @@ static void malformed_message(u32 *buf)
 	msg_bufno = (buf[0] >> 12) & 0x3ff;
 	msg_data = buf[1] & 0xfffffff;
 
-	pr_warn("xillybus: Malformed message (skipping): opcode=%d, channel=%03x, dir=%d, bufno=%03x, data=%07x\n",
+	dev_warn(endpoint->dev,
+		 "Malformed message (skipping): opcode=%d, channel=%03x, dir=%d, bufno=%03x, data=%07x\n",
 		 opcode, msg_channel, msg_dir, msg_bufno, msg_data);
 }
 
@@ -151,14 +152,16 @@ irqreturn_t xillybus_isr(int irq, void *data)
 
 	for (i = 0; i < buf_size; i += 2)
 		if (((buf[i+1] >> 28) & 0xf) != ep->msg_counter) {
-			malformed_message(&buf[i]);
+			malformed_message(ep, &buf[i]);
-			pr_warn("xillybus: Sending a NACK on counter %x (instead of %x) on entry %d\n",
+			dev_warn(ep->dev,
+				 "Sending a NACK on counter %x (instead of %x) on entry %d\n",
 				((buf[i+1] >> 28) & 0xf),
 				ep->msg_counter,
 				i/2);
 
 			if (++ep->failed_messages > 10)
-				pr_err("xillybus: Lost sync with interrupt messages. Stopping.\n");
+				dev_err(ep->dev,
+					"Lost sync with interrupt messages. Stopping.\n");
 			else {
 				ep->ephw->hw_sync_sgl_for_device(
 					ep,
@@ -174,7 +177,7 @@ irqreturn_t xillybus_isr(int irq, void *data)
 			break;
 
 	if (i >= buf_size) {
-		pr_err("xillybus: Bad interrupt message. Stopping.\n");
+		dev_err(ep->dev, "Bad interrupt message. Stopping.\n");
 		return IRQ_HANDLED;
 	}
 
@@ -193,7 +196,7 @@ irqreturn_t xillybus_isr(int irq, void *data)
 
 			if ((msg_channel > ep->num_channels) ||
 			    (msg_channel == 0)) {
-				malformed_message(&buf[i]);
+				malformed_message(ep, &buf[i]);
 				break;
 			}
 
@@ -201,7 +204,7 @@ irqreturn_t xillybus_isr(int irq, void *data)
 
 			if (msg_dir) { /* Write channel */
 				if (msg_bufno >= channel->num_wr_buffers) {
-					malformed_message(&buf[i]);
+					malformed_message(ep, &buf[i]);
 					break;
 				}
 				spin_lock(&channel->wr_spinlock);
@@ -218,7 +221,7 @@ irqreturn_t xillybus_isr(int irq, void *data)
 				/* Read channel */
 
 				if (msg_bufno >= channel->num_rd_buffers) {
-					malformed_message(&buf[i]);
+					malformed_message(ep, &buf[i]);
 					break;
 				}
 
@@ -240,14 +243,14 @@ irqreturn_t xillybus_isr(int irq, void *data)
 			if ((msg_channel > ep->num_channels) ||
 			    (msg_channel == 0) || (!msg_dir) ||
 			    !ep->channels[msg_channel]->wr_supports_nonempty) {
-				malformed_message(&buf[i]);
+				malformed_message(ep, &buf[i]);
 				break;
 			}
 
 			channel = ep->channels[msg_channel];
 
 			if (msg_bufno >= channel->num_wr_buffers) {
-				malformed_message(&buf[i]);
+				malformed_message(ep, &buf[i]);
 				break;
 			}
 			spin_lock(&channel->wr_spinlock);
@@ -280,10 +283,11 @@ irqreturn_t xillybus_isr(int irq, void *data)
 		case XILLYMSG_OPCODE_FATAL_ERROR:
 			ep->fatal_error = 1;
 			wake_up_interruptible(&ep->ep_wait); /* For select() */
-			pr_err("xillybus: FPGA reported a fatal error. This means that the low-level communication with the device has failed. This hardware problem is most likely unrelated to xillybus (neither kernel module nor FPGA core), but reports are still welcome. All I/O is aborted.\n");
+			dev_err(ep->dev,
+				"FPGA reported a fatal error. This means that the low-level communication with the device has failed. This hardware problem is most likely unrelated to Xillybus (neither kernel module nor FPGA core), but reports are still welcome. All I/O is aborted.\n");
 			break;
 		default:
-			malformed_message(&buf[i]);
+			malformed_message(ep, &buf[i]);
 			break;
 		}
 	}
@@ -477,7 +481,8 @@ static int xilly_setupchannels(struct xilly_endpoint *ep,
 
 		if ((channelnum > ep->num_channels) ||
 		    ((channelnum == 0) && !is_writebuf)) {
-			pr_err("xillybus: IDT requests channel out of range. Aborting.\n");
+			dev_err(ep->dev,
+				"IDT requests channel out of range. Aborting.\n");
 			return -ENODEV;
 		}
 
@@ -555,7 +560,8 @@ static int xilly_setupchannels(struct xilly_endpoint *ep,
 				 */
 				if ((left_of_wr_salami < bytebufsize) &&
 				    (left_of_wr_salami > 0)) {
-					pr_err("xillybus: Corrupt buffer allocation in IDT. Aborting.\n");
+					dev_err(ep->dev,
+						"Corrupt buffer allocation in IDT. Aborting.\n");
 					return -ENODEV;
 				}
 
@@ -632,7 +638,8 @@ static int xilly_setupchannels(struct xilly_endpoint *ep,
 				 */
 				if ((left_of_rd_salami < bytebufsize) &&
 				    (left_of_rd_salami > 0)) {
-					pr_err("xillybus: Corrupt buffer allocation in IDT. Aborting.\n");
+					dev_err(ep->dev,
+						"Corrupt buffer allocation in IDT. Aborting.\n");
 					return -ENODEV;
 				}
 
@@ -692,17 +699,19 @@ static int xilly_setupchannels(struct xilly_endpoint *ep,
 	}
 
 	if (!msg_buf_done) {
-		pr_err("xillybus: Corrupt IDT: No message buffer. Aborting.\n");
+		dev_err(ep->dev,
+			"Corrupt IDT: No message buffer. Aborting.\n");
 		return -ENODEV;
 	}
 
 	return 0;
 
 memfail:
-	pr_err("xillybus: Failed to allocate write buffer memory. Aborting.\n");
+	dev_err(ep->dev,
+		"Failed to allocate write buffer memory. Aborting.\n");
 	return -ENOMEM;
 dmafail:
-	pr_err("xillybus: Failed to map DMA memory!. Aborting.\n");
+	dev_err(ep->dev, "Failed to map DMA memory!. Aborting.\n");
 	return -ENOMEM;
 }
 
@@ -729,7 +738,8 @@ static void xilly_scan_idt(struct xilly_endpoint *endpoint,
 	scan++;
 
 	if (scan > end_of_idt) {
-		pr_err("xillybus: IDT device name list overflow. Aborting.\n");
+		dev_err(endpoint->dev,
+			"IDT device name list overflow. Aborting.\n");
 		idt_handle->chandesc = NULL;
 		return;
 	} else
@@ -740,7 +750,8 @@ static void xilly_scan_idt(struct xilly_endpoint *endpoint,
 	if (len & 0x03) {
 		idt_handle->chandesc = NULL;
 
-		pr_err("xillybus: Corrupt IDT device name list. Aborting.\n");
+		dev_err(endpoint->dev,
+			"Corrupt IDT device name list. Aborting.\n");
 	}
 
 	idt_handle->entries = len >> 2;
@@ -769,7 +780,7 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint)
 					 XILLY_TIMEOUT);
 
 	if (channel->wr_sleepy) {
-		pr_err("xillybus: Failed to obtain IDT. Aborting.\n");
+		dev_err(endpoint->dev, "Failed to obtain IDT. Aborting.\n");
 
 		if (endpoint->fatal_error)
 			return -EIO;
@@ -785,7 +796,8 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint)
 		DMA_FROM_DEVICE);
 
 	if (channel->wr_buffers[0]->end_offset != endpoint->idtlen) {
-		pr_err("xillybus: IDT length mismatch (%d != %d). Aborting.\n",
+		dev_err(endpoint->dev,
+			"IDT length mismatch (%d != %d). Aborting.\n",
 		       channel->wr_buffers[0]->end_offset, endpoint->idtlen);
 		rc = -ENODEV;
 		return rc;
@@ -793,7 +805,7 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint)
 
 	if (crc32_le(~0, channel->wr_buffers[0]->addr,
 		     endpoint->idtlen+1) != 0) {
-		pr_err("xillybus: IDT failed CRC check. Aborting.\n");
+		dev_err(endpoint->dev, "IDT failed CRC check. Aborting.\n");
 		rc = -ENODEV;
 		return rc;
 	}
@@ -802,7 +814,8 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint)
 
 	/* Check version number. Accept anything below 0x82 for now. */
 	if (*version > 0x82) {
-		pr_err("xillybus: No support for IDT version 0x%02x. Maybe the xillybus driver needs an upgarde. Aborting.\n",
+		dev_err(endpoint->dev,
+			"No support for IDT version 0x%02x. Maybe the xillybus driver needs an upgarde. Aborting.\n",
 		       (int) *version);
 		rc = -ENODEV;
 		return rc;
@@ -1291,7 +1304,8 @@ static int xillybus_myflush(struct xilly_channel *channel, long timeout)
 				 channel->rd_wait,
 				 (!channel->rd_full),
 				 timeout) == 0) {
-			pr_warn("xillybus: Timed out while flushing. Output data may be lost.\n");
+			dev_warn(channel->endpoint->dev,
+				"Timed out while flushing. Output data may be lost.\n");
 
 			rc = -ETIMEDOUT;
 			break;
@@ -1331,10 +1345,11 @@ static void xillybus_autoflush(struct work_struct *work)
 	rc = xillybus_myflush(channel, -1);
 
 	if (rc == -EINTR)
-		pr_warn("xillybus: Autoflush failed because work queue thread got a signal.\n");
+		dev_warn(channel->endpoint->dev,
+			 "Autoflush failed because work queue thread got a signal.\n");
 	else if (rc)
-		pr_err("xillybus: Autoflush failed under weird circumstances.\n");
+		dev_err(channel->endpoint->dev,
-
+			"Autoflush failed under weird circumstances.\n");
 }
 
 static ssize_t xillybus_write(struct file *filp, const char __user *userbuf,
@@ -1617,13 +1632,15 @@ static int xillybus_open(struct inode *inode, struct file *filp)
 	if ((filp->f_mode & FMODE_READ) && (filp->f_flags & O_NONBLOCK) &&
 	    (channel->wr_synchronous || !channel->wr_allow_partial ||
 	     !channel->wr_supports_nonempty)) {
-		pr_err("xillybus: open() failed: O_NONBLOCK not allowed for read on this device\n");
+		dev_err(endpoint->dev,
+			"open() failed: O_NONBLOCK not allowed for read on this device\n");
 		return -ENODEV;
 	}
 
 	if ((filp->f_mode & FMODE_WRITE) && (filp->f_flags & O_NONBLOCK) &&
 	    (channel->rd_synchronous || !channel->rd_allow_partial)) {
-		pr_err("xillybus: open() failed: O_NONBLOCK not allowed for write on this device\n");
+		dev_err(endpoint->dev,
+			"open() failed: O_NONBLOCK not allowed for write on this device\n");
 		return -ENODEV;
 	}
 
@@ -1738,7 +1755,8 @@ static int xillybus_release(struct inode *inode, struct file *filp)
 		rc = mutex_lock_interruptible(&channel->rd_mutex);
 
 		if (rc) {
-			pr_warn("xillybus: Failed to close file. Hardware left in messy state.\n");
+			dev_warn(channel->endpoint->dev,
+				 "Failed to close file. Hardware left in messy state.\n");
 			return rc;
 		}
 
@@ -1763,7 +1781,8 @@ static int xillybus_release(struct inode *inode, struct file *filp)
 	if (filp->f_mode & FMODE_READ) {
 		rc = mutex_lock_interruptible(&channel->wr_mutex);
 		if (rc) {
-			pr_warn("xillybus: Failed to close file. Hardware left in messy state.\n");
+			dev_warn(channel->endpoint->dev,
+				 "Failed to close file. Hardware left in messy state.\n");
 			return rc;
 		}
 
@@ -1824,7 +1843,8 @@ static int xillybus_release(struct inode *inode, struct file *filp)
 
 				if (channel->wr_sleepy) {
 					mutex_unlock(&channel->wr_mutex);
-					pr_warn("xillybus: Hardware failed to respond to close command, therefore left in messy state.\n");
+					dev_warn(channel->endpoint->dev,
+						 "Hardware failed to respond to close command, therefore left in messy state.\n");
 					return -EINTR;
 				}
 			}
@@ -1990,7 +2010,7 @@ static int xillybus_init_chrdev(struct xilly_endpoint *endpoint,
 				 xillyname);
 
 	if (rc) {
-		pr_warn("xillybus: Failed to obtain major/minors");
+		dev_warn(endpoint->dev, "Failed to obtain major/minors");
 		goto error1;
 	}
 
@@ -2002,7 +2022,7 @@ static int xillybus_init_chrdev(struct xilly_endpoint *endpoint,
 	rc = cdev_add(&endpoint->cdev, MKDEV(major, minor),
 		      endpoint->num_channels);
 	if (rc) {
-		pr_warn("xillybus: Failed to add cdev. Aborting.\n");
+		dev_warn(endpoint->dev, "Failed to add cdev. Aborting.\n");
 		goto error2;
 	}
 
@@ -2025,12 +2045,14 @@ static int xillybus_init_chrdev(struct xilly_endpoint *endpoint,
 				       "%s", devname);
 
 		if (IS_ERR(device)) {
-			pr_warn("xillybus: Failed to create %s device. Aborting.\n", devname);
+			dev_warn(endpoint->dev,
+				 "Failed to create %s device. Aborting.\n",
+				 devname);
 			goto error3;
 		}
 	}
 
-	pr_info("xillybus: Created %d device files.\n",
+	dev_info(endpoint->dev, "Created %d device files.\n",
 		 endpoint->num_channels);
 	return 0; /* succeed */
 
@@ -2060,7 +2082,7 @@ static void xillybus_cleanup_chrdev(struct xilly_endpoint *endpoint)
 				       endpoint->lowest_minor),
 				 endpoint->num_channels);
 
-	pr_info("xillybus: Removed %d device files.\n",
+	dev_info(endpoint->dev, "Removed %d device files.\n",
 		 endpoint->num_channels);
 }
 
@@ -2074,7 +2096,7 @@ struct xilly_endpoint *xillybus_init_endpoint(struct pci_dev *pdev,
 
 	endpoint = kzalloc(sizeof(*endpoint), GFP_KERNEL);
 	if (!endpoint) {
-		pr_err("xillybus: Failed to allocate memory. Aborting.\n");
+		dev_err(dev, "Failed to allocate memory. Aborting.\n");
 		return NULL;
 	}
 
@@ -2108,7 +2130,8 @@ static int xilly_quiesce(struct xilly_endpoint *endpoint)
 					 XILLY_TIMEOUT);
 
 	if (endpoint->idtlen < 0) {
-		pr_err("xillybus: Failed to quiesce the device on exit. Quitting while leaving a mess.\n");
+		dev_err(endpoint->dev,
+			"Failed to quiesce the device on exit. Quitting while leaving a mess.\n");
 		return -ENODEV;
 	}
 	return 0; /* Success */
@@ -2175,7 +2198,7 @@ int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint)
 					 XILLY_TIMEOUT);
 
 	if (endpoint->idtlen < 0) {
-		pr_err("xillybus: No response from FPGA. Aborting.\n");
+		dev_err(endpoint->dev, "No response from FPGA. Aborting.\n");
 		rc = -ENODEV;
 		goto failed_quiesce;
 	}
@@ -2289,7 +2312,7 @@ static int __init xillybus_init(void)
 	xillybus_class = class_create(THIS_MODULE, xillyname);
 	if (IS_ERR(xillybus_class)) {
 		rc = PTR_ERR(xillybus_class);
-		pr_warn("xillybus: Failed to register class xillybus\n");
+		pr_warn("Failed to register class xillybus\n");
 
 		return rc;
 	}