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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-03-20 20:00:09 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-03-20 20:00:09 +0000
commitd358788f3f30113e49882187d794832905e42592 (patch)
tree8c796ee4bf719dad4d3947c03cef2f3fd6cb5940 /drivers/serial/mpc52xx_uart.c
parent7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff)
[SERIAL] kernel console should send CRLF not LFCR
Glen Turner reported that writing LFCR rather than the more traditional CRLF causes issues with some terminals. Since this aflicts many serial drivers, extract the common code to a library function (uart_console_write) and arrange for each driver to supply a "putchar" function. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/mpc52xx_uart.c')
-rw-r--r--drivers/serial/mpc52xx_uart.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 61dd17d7bac..928e6cf12dc 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -603,15 +603,14 @@ mpc52xx_console_write(struct console *co, const char *s, unsigned int count)
udelay(1);
/* Write all the chars */
- for ( i=0 ; i<count ; i++ ) {
-
- /* Send the char */
- out_8(&psc->mpc52xx_psc_buffer_8, *s);
-
+ for (i = 0; i < count; i++, s++) {
/* Line return handling */
- if ( *s++ == '\n' )
+ if (*s == '\n')
out_8(&psc->mpc52xx_psc_buffer_8, '\r');
+ /* Send the char */
+ out_8(&psc->mpc52xx_psc_buffer_8, *s);
+
/* Wait the TX buffer to be empty */
j = 20000; /* Maximum wait */
while (!(in_be16(&psc->mpc52xx_psc_status) &