[PATCH 2/3] isdn: Remove ASYNC_CLOSING

From: Peter Hurley
Date: Sat Dec 12 2015 - 16:50:48 EST


The tty core no longer provides ASYNC_CLOSING. Use private flag for
same purpose, which is to disable AT-emulator output (why this is
necessary is not clear).

Cc: Karsten Keil <isdn@xxxxxxxxxxxxxx>
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/isdn/i4l/isdn_tty.c | 12 ++++++------
include/linux/isdn.h | 1 +
2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index cddba25..80de2a1 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1572,7 +1572,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
#endif
return;
}
- port->flags |= ASYNC_CLOSING;
+ info->closing = 1;

tty_ldisc_closing(tty);
/*
@@ -1603,6 +1603,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
info->ncarrier = 0;

tty_port_close_end(port, tty);
+ info->closing = 0;
#ifdef ISDN_DEBUG_MODEM_OPEN
printk(KERN_DEBUG "isdn_tty_close normal exit\n");
#endif
@@ -2236,7 +2237,7 @@ isdn_tty_at_cout(char *msg, modem_info *info)
l = strlen(msg);

spin_lock_irqsave(&info->readlock, flags);
- if (port->flags & ASYNC_CLOSING) {
+ if (info->closing) {
spin_unlock_irqrestore(&info->readlock, flags);
return;
}
@@ -2386,13 +2387,12 @@ isdn_tty_modem_result(int code, modem_info *info)
case RESULT_NO_CARRIER:
#ifdef ISDN_DEBUG_MODEM_HUP
printk(KERN_DEBUG "modem_result: NO CARRIER %d %d\n",
- (info->port.flags & ASYNC_CLOSING),
- (!info->port.tty));
+ info->closing, !info->port.tty);
#endif
m->mdmreg[REG_RINGCNT] = 0;
del_timer(&info->nc_timer);
info->ncarrier = 0;
- if ((info->port.flags & ASYNC_CLOSING) || (!info->port.tty))
+ if (info->closing || !info->port.tty)
return;

#ifdef CONFIG_ISDN_AUDIO
@@ -2525,7 +2525,7 @@ isdn_tty_modem_result(int code, modem_info *info)
}
}
if (code == RESULT_NO_CARRIER) {
- if ((info->port.flags & ASYNC_CLOSING) || (!info->port.tty))
+ if (info->closing || (!info->port.tty))
return;

if (info->port.flags & ASYNC_CHECK_CD)
diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index 1e9a0f2..df97c84 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -319,6 +319,7 @@ typedef struct modem_info {
int online; /* 1 = B-Channel is up, drop data */
/* 2 = B-Channel is up, deliver d.*/
int dialing; /* Dial in progress or ATA */
+ int closing;
int rcvsched; /* Receive needs schedule */
int isdn_driver; /* Index to isdn-driver */
int isdn_channel; /* Index to isdn-channel */
--
2.6.3

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