From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-m68k@vger.kernel.org
Subject: [PATCH] serial167: switch to int put_char method
Date: Sun, 13 Apr 2008 18:16:40 +0100 [thread overview]
Message-ID: <20080413181640.4a4d38ed@core> (raw)
Signed-off-by: Alan Cox <alan@redhat.com>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc8-mm2/drivers/char/serial167.c linux-2.6.25-rc8-mm2/drivers/char/serial167.c
--- linux.vanilla-2.6.25-rc8-mm2/drivers/char/serial167.c 2008-04-13 15:36:53.000000000 +0100
+++ linux-2.6.25-rc8-mm2/drivers/char/serial167.c 2008-04-13 15:41:05.000000000 +0100
@@ -1060,7 +1060,7 @@
} /* config_setup */
-static void cy_put_char(struct tty_struct *tty, unsigned char ch)
+static int cy_put_char(struct tty_struct *tty, unsigned char ch)
{
struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
unsigned long flags;
@@ -1070,7 +1070,7 @@
#endif
if (serial_paranoia_check(info, tty->name, "cy_put_char"))
- return;
+ return 0;
if (!info->xmit_buf)
return;
@@ -1078,13 +1078,14 @@
local_irq_save(flags);
if (info->xmit_cnt >= PAGE_SIZE - 1) {
local_irq_restore(flags);
- return;
+ return 0;
}
info->xmit_buf[info->xmit_head++] = ch;
info->xmit_head &= PAGE_SIZE - 1;
info->xmit_cnt++;
local_irq_restore(flags);
+ return 1;
} /* cy_put_char */
static void cy_flush_chars(struct tty_struct *tty)
reply other threads:[~2008-04-13 17:20 UTC|newest]
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