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Message-ID: <48845B8B.300@cn.fujitsu.com>
Date: Mon, 21 Jul 2008 17:48:59 +0800
From: Wang Chen <wangchen@...fujitsu.com>
To: Alan Cox <alan@...hat.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: [build error] istallion build failure
Wang Chen said the following on 2008-7-21 17:21:
> Alan, commit "istallion: use tty_port"(b02f5ad6a3ff5a1ee2a7b8ec6eee338de553b060)
> is guilty.
>
> drivers/char/istallion.c: In function ‘stli_open’:
> drivers/char/istallion.c:829: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c: In function ‘stli_close’:
> drivers/char/istallion.c:891: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c:892: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c:893: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c:928: error: ‘struct tty_ldisc’ has no member named ‘flush_buffer’
> drivers/char/istallion.c:929: error: ‘struct tty_ldisc’ has no member named ‘flush_buffer’
> drivers/char/istallion.c: In function ‘stli_waitcarrier’:
> drivers/char/istallion.c:1205: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c:1234: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c: In function ‘stli_ioctl’:
> drivers/char/istallion.c:1663: warning: unused variable ‘ival’
> drivers/char/istallion.c: In function ‘stli_hangup’:
> drivers/char/istallion.c:1860: error: ‘struct stliport’ has no member named ‘refcount’
> drivers/char/istallion.c: In function ‘stli_portcmdstats’:
> drivers/char/istallion.c:4249: error: ‘struct tty_port’ has no member named ‘flag’
> drivers/char/istallion.c: At top level:
> drivers/char/istallion.c:4500: warning: initialization from incompatible pointer type
> make[2]: *** [drivers/char/istallion.o] Error 1
> make[1]: *** [drivers/char] Error 2
> make: *** [drivers] Error 2
>
Fix the compile error which was caused by commit "istallion: use tty_port" and "tty: Ldisc revamp".
Also make the warning silent.
Signed-off-by: Wang Chen <wangchen@...fujitsu.com>
---
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 6ef1c56..7930fba 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -598,7 +598,7 @@ static int stli_parsebrd(struct stlconf *confp, char **argp);
static int stli_open(struct tty_struct *tty, struct file *filp);
static void stli_close(struct tty_struct *tty, struct file *filp);
static int stli_write(struct tty_struct *tty, const unsigned char *buf, int count);
-static void stli_putchar(struct tty_struct *tty, unsigned char ch);
+static int stli_putchar(struct tty_struct *tty, unsigned char ch);
static void stli_flushchars(struct tty_struct *tty);
static int stli_writeroom(struct tty_struct *tty);
static int stli_charsinbuffer(struct tty_struct *tty);
@@ -826,7 +826,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp)
*/
portp->port.tty = tty;
tty->driver_data = portp;
- portp->refcount++;
+ portp->port.count++;
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_INITIALIZING, &portp->state));
@@ -888,9 +888,9 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
spin_unlock_irqrestore(&stli_lock, flags);
return;
}
- if ((tty->count == 1) && (portp->refcount != 1))
- portp->refcount = 1;
- if (portp->refcount-- > 1) {
+ if ((tty->count == 1) && (portp->port.count != 1))
+ portp->port.count = 1;
+ if (portp->port.count-- > 1) {
spin_unlock_irqrestore(&stli_lock, flags);
return;
}
@@ -925,8 +925,8 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
clear_bit(ST_TXBUSY, &portp->state);
clear_bit(ST_RXSTOP, &portp->state);
set_bit(TTY_IO_ERROR, &tty->flags);
- if (tty->ldisc.flush_buffer)
- (tty->ldisc.flush_buffer)(tty);
+ if (tty->ldisc.ops->flush_buffer)
+ (tty->ldisc.ops->flush_buffer)(tty);
set_bit(ST_DOFLUSHRX, &portp->state);
stli_flushbuffer(tty);
@@ -1202,7 +1202,7 @@ static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct
spin_lock_irqsave(&stli_lock, flags);
portp->openwaitcnt++;
if (! tty_hung_up_p(filp))
- portp->refcount--;
+ portp->port.count--;
spin_unlock_irqrestore(&stli_lock, flags);
for (;;) {
@@ -1231,7 +1231,7 @@ static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct
spin_lock_irqsave(&stli_lock, flags);
if (! tty_hung_up_p(filp))
- portp->refcount++;
+ portp->port.count++;
portp->openwaitcnt--;
spin_unlock_irqrestore(&stli_lock, flags);
@@ -1333,7 +1333,7 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun
* first them do the new ports.
*/
-static void stli_putchar(struct tty_struct *tty, unsigned char ch)
+static int stli_putchar(struct tty_struct *tty, unsigned char ch)
{
if (tty != stli_txcooktty) {
if (stli_txcooktty != NULL)
@@ -1342,6 +1342,7 @@ static void stli_putchar(struct tty_struct *tty, unsigned char ch)
}
stli_txcookbuf[stli_txcooksize++] = ch;
+ return 0;
}
/*****************************************************************************/
@@ -1660,7 +1661,6 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm
{
struct stliport *portp;
struct stlibrd *brdp;
- unsigned int ival;
int rc;
void __user *argp = (void __user *)arg;
@@ -1857,7 +1857,7 @@ static void stli_hangup(struct tty_struct *tty)
set_bit(TTY_IO_ERROR, &tty->flags);
portp->port.tty = NULL;
portp->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- portp->refcount = 0;
+ portp->port.count = 0;
spin_unlock_irqrestore(&stli_lock, flags);
wake_up_interruptible(&portp->port.open_wait);
@@ -4246,7 +4246,7 @@ static int stli_portcmdstats(struct stliport *portp)
stli_comstats.panel = portp->panelnr;
stli_comstats.port = portp->portnr;
stli_comstats.state = portp->state;
- stli_comstats.flags = portp->port.flag;
+ stli_comstats.flags = portp->port.flags;
spin_lock_irqsave(&brd_lock, flags);
if (portp->port.tty != NULL) {
--
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