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ethercat
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Support changed tty_prepare_flip_string() interface from kernel 3.9.

This commit is contained in:
Florian Pose 2016-10-18 10:20:21 +02:00
parent 545d4e548c
commit b6cace3df1
1 changed files with 8 additions and 0 deletions
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8
tty/module.c
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@ -337,7 +337,11 @@ void ec_tty_wakeup(unsigned long data)
to_recv = ec_tty_rx_size(tty);
if (to_recv && tty->tty) {
unsigned char *cbuf;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
int space = tty_prepare_flip_string(tty->tty->port, &cbuf, to_recv);
#else
int space = tty_prepare_flip_string(tty->tty, &cbuf, to_recv);
#endif
if (space < to_recv) {
printk(KERN_WARNING PFX "Insufficient space to_recv=%d space=%d\n",
@ -362,7 +366,11 @@ void ec_tty_wakeup(unsigned long data)
tty->rx_read_idx =
(tty->rx_read_idx + 1) % EC_TTY_RX_BUFFER_SIZE;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
tty_flip_buffer_push(tty->tty->port);
#else
tty_flip_buffer_push(tty->tty);
#endif
}
}