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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-04-30 09:54:01 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 17:29:45 +0200
commit09a6ffa84c8e893d9656296b322dc8145e09e186 (patch)
tree5de0b78209c35e68894b0202af28f63920d6c4b9 /drivers/serial
parents390 tty: Prepare for put_char to return success/fail (diff)
downloadlinux-09a6ffa84c8e893d9656296b322dc8145e09e186.tar.xz
linux-09a6ffa84c8e893d9656296b322dc8145e09e186.zip
serial m68k: put_char returns
Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--drivers/serial/68328serial.c3
-rw-r--r--drivers/serial/68360serial.c5
-rw-r--r--drivers/serial/mcfserial.c4
3 files changed, 7 insertions, 5 deletions
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 5ce3e57bff0b..bbf5bc5892c7 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -200,7 +200,7 @@ static void rs_stop(struct tty_struct *tty)
local_irq_restore(flags);
}
-static void rs_put_char(char ch)
+static int rs_put_char(char ch)
{
int flags, loops = 0;
@@ -214,6 +214,7 @@ static void rs_put_char(char ch)
UTX_TXDATA = ch;
udelay(5);
local_irq_restore(flags);
+ return 1;
}
static void rs_start(struct tty_struct *tty)
diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index f4f737bfa0a7..4714bd697af2 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -995,10 +995,10 @@ static void rs_360_put_char(struct tty_struct *tty, unsigned char ch)
volatile QUICC_BD *bdp;
if (serial_paranoia_check(info, tty->name, "rs_put_char"))
- return;
+ return 0;
if (!tty)
- return;
+ return 0;
bdp = info->tx_cur;
while (bdp->status & BD_SC_READY);
@@ -1016,6 +1016,7 @@ static void rs_360_put_char(struct tty_struct *tty, unsigned char ch)
bdp++;
info->tx_cur = (QUICC_BD *)bdp;
+ return 1;
}
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index aafa1704e1ab..43af40d59b8a 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -1897,7 +1897,7 @@ static struct tty_driver *mcfrs_console_device(struct console *c, int *index)
* This is used for console output.
*/
-void mcfrs_put_char(char ch)
+int mcfrs_put_char(char ch)
{
volatile unsigned char *uartp;
unsigned long flags;
@@ -1921,7 +1921,7 @@ void mcfrs_put_char(char ch)
mcfrs_init_console(); /* try and get it back */
local_irq_restore(flags);
- return;
+ return 1;
}