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USB: CP2101 Reduce Error Logging

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This patch lowers the logging priority of certain messages to prevent
users from flooding the log files.

Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Craig Shelley
2009-02-26 22:21:51 +00:00
committed by Greg Kroah-Hartman
parent ef8b6bcb39
commit 97324955c6
1 changed files with 7 additions and 12 deletions
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19
drivers/usb/serial/cp2101.c
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@@ -11,10 +11,6 @@
* thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow
* control thanks to Munir Nassar nassarmu@real-time.com * control thanks to Munir Nassar nassarmu@real-time.com
* *
* Outstanding Issues:
* Buffers are not flushed when the port is opened.
* Multiple calls to write() may fail with "Resource temporarily unavailable"
*
*/ */
#include <linux/kernel.h> #include <linux/kernel.h>
@@ -225,7 +221,7 @@ static int cp2101_get_config(struct usb_serial_port *port, u8 request,
kfree(buf); kfree(buf);
if (result != size) { if (result != size) {
dev_err(&port->dev, "%s - Unable to send config request, " dbg("%s - Unable to send config request, "
"request=0x%x size=%d result=%d\n", "request=0x%x size=%d result=%d\n",
__func__, request, size, result); __func__, request, size, result);
return -EPROTO; return -EPROTO;
@@ -276,7 +272,7 @@ static int cp2101_set_config(struct usb_serial_port *port, u8 request,
kfree(buf); kfree(buf);
if ((size > 2 && result != size) || result < 0) { if ((size > 2 && result != size) || result < 0) {
dev_err(&port->dev, "%s - Unable to send request, " dbg("%s - Unable to send request, "
"request=0x%x size=%d result=%d\n", "request=0x%x size=%d result=%d\n",
__func__, request, size, result); __func__, request, size, result);
return -EPROTO; return -EPROTO;
@@ -566,8 +562,7 @@ static void cp2101_set_termios(struct tty_struct *tty,
baud); baud);
if (cp2101_set_config_single(port, CP2101_BAUDRATE, if (cp2101_set_config_single(port, CP2101_BAUDRATE,
((BAUD_RATE_GEN_FREQ + baud/2) / baud))) { ((BAUD_RATE_GEN_FREQ + baud/2) / baud))) {
dev_err(&port->dev, "Baud rate requested not " dbg("Baud rate requested not supported by device\n");
"supported by device\n");
baud = tty_termios_baud_rate(old_termios); baud = tty_termios_baud_rate(old_termios);
} }
} }
@@ -600,14 +595,14 @@ static void cp2101_set_termios(struct tty_struct *tty,
dbg("%s - data bits = 9", __func__); dbg("%s - data bits = 9", __func__);
break;*/ break;*/
default: default:
dev_err(&port->dev, "cp2101 driver does not " dbg("cp2101 driver does not "
"support the number of bits requested," "support the number of bits requested,"
" using 8 bit mode\n"); " using 8 bit mode\n");
bits |= BITS_DATA_8; bits |= BITS_DATA_8;
break; break;
} }
if (cp2101_set_config(port, CP2101_BITS, &bits, 2)) if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
dev_err(&port->dev, "Number of data bits requested " dbg("Number of data bits requested "
"not supported by device\n"); "not supported by device\n");
} }
@@ -624,7 +619,7 @@ static void cp2101_set_termios(struct tty_struct *tty,
} }
} }
if (cp2101_set_config(port, CP2101_BITS, &bits, 2)) if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
dev_err(&port->dev, "Parity mode not supported " dbg("Parity mode not supported "
"by device\n"); "by device\n");
} }
@@ -639,7 +634,7 @@ static void cp2101_set_termios(struct tty_struct *tty,
dbg("%s - stop bits = 1", __func__); dbg("%s - stop bits = 1", __func__);
} }
if (cp2101_set_config(port, CP2101_BITS, &bits, 2)) if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
dev_err(&port->dev, "Number of stop bits requested " dbg("Number of stop bits requested "
"not supported by device\n"); "not supported by device\n");
} }