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Commit 97324955 authored by Craig Shelley's avatar Craig Shelley Committed by Greg Kroah-Hartman
Browse files

USB: CP2101 Reduce Error Logging 



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

Signed-off-by: default avatarCraig Shelley <craig@microtron.org.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ef8b6bcb

drivers/usb/serial/cp2101.c

+7 −12
Original line number Diff line number Diff line
@@ -11,10 +11,6 @@ 
 * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow

 * 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>
@@ -225,7 +221,7 @@ static int cp2101_get_config(struct usb_serial_port *port, u8 request, 
	kfree(buf);



	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",

				__func__, request, size, result);

		return -EPROTO;
@@ -276,7 +272,7 @@ static int cp2101_set_config(struct usb_serial_port *port, u8 request, 
	kfree(buf);



	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",

				__func__, request, size, result);

		return -EPROTO;
@@ -566,8 +562,7 @@ static void cp2101_set_termios(struct tty_struct *tty, 
				baud);

		if (cp2101_set_config_single(port, CP2101_BAUDRATE,

					((BAUD_RATE_GEN_FREQ + baud/2) / baud))) {

			dev_err(&port->dev, "Baud rate requested not "

					"supported by device\n");

			dbg("Baud rate requested not supported by device\n");

			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__);

			break;*/

		default:

			dev_err(&port->dev, "cp2101 driver does not "

			dbg("cp2101 driver does not "

					"support the number of bits requested,"

					" using 8 bit mode\n");

				bits |= BITS_DATA_8;

				break;

		}

		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");

	}
@@ -624,7 +619,7 @@ static void cp2101_set_termios(struct tty_struct *tty, 
			}

		}

		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");

	}
@@ -639,7 +634,7 @@ static void cp2101_set_termios(struct tty_struct *tty, 
			dbg("%s - stop bits = 1", __func__);

		}

		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");

	}