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-rw-r--r--arch/um/drivers/chan_kern.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 36df55ad64c2..cd13b91b9ff6 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -312,6 +312,32 @@ void close_chan(struct list_head *chans, int delay_free_irq)
312 } 312 }
313} 313}
314 314
315void deactivate_chan(struct list_head *chans, int irq)
316{
317 struct list_head *ele;
318
319 struct chan *chan;
320 list_for_each(ele, chans) {
321 chan = list_entry(ele, struct chan, list);
322
323 if(chan->enabled && chan->input)
324 deactivate_fd(chan->fd, irq);
325 }
326}
327
328void reactivate_chan(struct list_head *chans, int irq)
329{
330 struct list_head *ele;
331 struct chan *chan;
332
333 list_for_each(ele, chans) {
334 chan = list_entry(ele, struct chan, list);
335
336 if(chan->enabled && chan->input)
337 reactivate_fd(chan->fd, irq);
338 }
339}
340
315int write_chan(struct list_head *chans, const char *buf, int len, 341int write_chan(struct list_head *chans, const char *buf, int len,
316 int write_irq) 342 int write_irq)
317{ 343{