epca: Restore driver
Convert the driver to use the added hardware break support
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index a185263..9ead63c 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -167,7 +167,7 @@
config DIGIEPCA
tristate "Digiboard Intelligent Async Support"
- depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) && BROKEN
+ depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
---help---
This is a driver for Digi International's Xx, Xeve, and Xem series
of cards which provide multiple serial ports. You would need
diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 94dca7b..9d9ae1c 100644
--- a/drivers/char/epca.c
+++ b/drivers/char/epca.c
@@ -184,7 +184,7 @@
static void pc_start(struct tty_struct *);
static void pc_throttle(struct tty_struct *tty);
static void pc_unthrottle(struct tty_struct *tty);
-static void digi_send_break(struct channel *ch, int msec);
+static int pc_send_break(struct tty_struct *tty, int msec);
static void setup_empty_event(struct tty_struct *tty, struct channel *ch);
static void epca_setup(char *, int *);
@@ -1040,6 +1040,7 @@
.throttle = pc_throttle,
.unthrottle = pc_unthrottle,
.hangup = pc_hangup,
+ .break_ctl = pc_send_break
};
static int info_open(struct tty_struct *tty, struct file *filp)
@@ -1132,7 +1133,7 @@
pc_driver->init_termios.c_lflag = 0;
pc_driver->init_termios.c_ispeed = 9600;
pc_driver->init_termios.c_ospeed = 9600;
- pc_driver->flags = TTY_DRIVER_REAL_RAW;
+ pc_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_HARDWARE_BREAK;
tty_set_operations(pc_driver, &pc_ops);
pc_info->owner = THIS_MODULE;
@@ -2177,7 +2178,6 @@
unsigned int cmd, unsigned long arg)
{
digiflow_t dflow;
- int retval;
unsigned long flags;
unsigned int mflag, mstat;
unsigned char startc, stopc;
@@ -2190,31 +2190,6 @@
else
return -EINVAL;
switch (cmd) {
- case TCSBRK: /* SVID version: non-zero arg --> no break */
- retval = tty_check_change(tty);
- if (retval)
- return retval;
- /* Setup an event to indicate when the transmit
- buffer empties */
- spin_lock_irqsave(&epca_lock, flags);
- setup_empty_event(tty, ch);
- spin_unlock_irqrestore(&epca_lock, flags);
- tty_wait_until_sent(tty, 0);
- if (!arg)
- digi_send_break(ch, HZ / 4); /* 1/4 second */
- return 0;
- case TCSBRKP: /* support for POSIX tcsendbreak() */
- retval = tty_check_change(tty);
- if (retval)
- return retval;
- /* Setup an event to indicate when the transmit buffer
- empties */
- spin_lock_irqsave(&epca_lock, flags);
- setup_empty_event(tty, ch);
- spin_unlock_irqrestore(&epca_lock, flags);
- tty_wait_until_sent(tty, 0);
- digi_send_break(ch, arg ? arg*(HZ/10) : HZ/4);
- return 0;
case TIOCMODG:
mflag = pc_tiocmget(tty, file);
if (put_user(mflag, (unsigned long __user *)argp))
@@ -2500,10 +2475,14 @@
}
}
-static void digi_send_break(struct channel *ch, int msec)
+static int pc_send_break(struct tty_struct *tty, int msec)
{
+ struct channel *ch = (struct channel *) tty->driver_data;
unsigned long flags;
+ if (msec == -1)
+ return -EOPNOTSUPP;
+
spin_lock_irqsave(&epca_lock, flags);
globalwinon(ch);
/*
@@ -2516,6 +2495,7 @@
fepcmd(ch, SENDBREAK, msec, 0, 10, 0);
memoff(ch);
spin_unlock_irqrestore(&epca_lock, flags);
+ return 0;
}
/* Caller MUST hold the lock */