diff options
author | Anton Ivanov <anton.ivanov@cambridgegreys.com> | 2018-11-13 15:08:02 +0000 |
---|---|---|
committer | Richard Weinberger <richard@nod.at> | 2018-12-27 22:48:35 +0100 |
commit | 940b241d9050fc354f68c182e99fc3da1ff36bc0 (patch) | |
tree | d57775381213bb7cf168bc506242e054954e6e5c /arch/um/drivers/chan_kern.c | |
parent | b9794231737ab8c8a3a225b50aa168c4c7f9b9ec (diff) | |
download | linux-940b241d9050fc354f68c182e99fc3da1ff36bc0.tar.bz2 |
um: Remove obsolete reenable_XX calls
reenable_fd has been a NOP since the introduction of the EPOLL
based interrupt controller.
reenable_channel() is no longer needed as the flow control is
now handled via the write IRQs on the channel.
Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/drivers/chan_kern.c')
-rw-r--r-- | arch/um/drivers/chan_kern.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 05588f9466c7..a4e64edb8f38 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -211,12 +211,6 @@ void deactivate_chan(struct chan *chan, int irq) deactivate_fd(chan->fd, irq); } -void reactivate_chan(struct chan *chan, int irq) -{ - if (chan && chan->enabled) - reactivate_fd(chan->fd, irq); -} - int write_chan(struct chan *chan, const char *buf, int len, int write_irq) { @@ -228,8 +222,6 @@ int write_chan(struct chan *chan, const char *buf, int len, n = chan->ops->write(chan->fd, buf, len, chan->data); if (chan->primary) { ret = n; - if ((ret == -EAGAIN) || ((ret >= 0) && (ret < len))) - reactivate_fd(chan->fd, write_irq); } return ret; } @@ -527,8 +519,6 @@ void chan_interrupt(struct line *line, int irq) tty_insert_flip_char(port, c, TTY_NORMAL); } while (err > 0); - if (err == 0) - reactivate_fd(chan->fd, irq); if (err == -EIO) { if (chan->primary) { tty_port_tty_hangup(&line->port, false); |