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

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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>
This commit is contained in:
Eli Billauer 2013-10-19 01:02:28 +03:00 committed by Greg Kroah-Hartman
parent 1a2f9a9ea5
commit 35fcf7e3c0
1 changed files with 69 additions and 46 deletions
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115
drivers/staging/xillybus/xillybus_core.c
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@ -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;
@ -112,8 +112,9 @@ 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",
opcode, msg_channel, msg_dir, msg_bufno, msg_data);
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]);
pr_warn("xillybus: Sending a NACK on counter %x (instead of %x) on entry %d\n",
malformed_message(ep, &buf[i]);
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;
}
@ -2025,13 +2045,15 @@ 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",
endpoint->num_channels);
dev_info(endpoint->dev, "Created %d device files.\n",
endpoint->num_channels);
return 0; /* succeed */
error3:
@ -2060,8 +2082,8 @@ static void xillybus_cleanup_chrdev(struct xilly_endpoint *endpoint)
endpoint->lowest_minor),
endpoint->num_channels);
pr_info("xillybus: Removed %d device files.\n",
endpoint->num_channels);
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;
}