Messages in this thread | | | Date | Tue, 29 Jan 2013 02:17:26 +0400 | From | Ilya Zykov <> | Subject | Re: [PATCH] n_tty: Unthrottle tty when flushing read buffer |
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On 24.01.2013 2:36, Karthik Manamcheri wrote: > When the tty input buffer is full and thereby throttled, > flushing/resetting the read buffer should unthrottle to allow more > data to be received. > > Signed-off-by: Karthik Manamcheri <Karthik.Manamcheri@ni.com> > --- > drivers/tty/n_tty.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c > index 19083efa2314660b25e0fb5bc793af6fb7e9af57..d5cea3bb01eaeec61b577de6c58a8000412c0c37 100644 > --- a/drivers/tty/n_tty.c > +++ b/drivers/tty/n_tty.c > @@ -229,6 +229,8 @@ static void reset_buffer_flags(struct tty_struct *tty) > ldata->canon_head = ldata->canon_data = ldata->erasing = 0; > bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE); > n_tty_set_room(tty); > + > + check_unthrottle(tty); > } > > /** >
It's revert - tty: fix "IRQ45: nobody cared". commit 7b292b4bf9a9d6098440d85616d6ca4c608b8304
Please, read these for this subject: https://lkml.org/lkml/2012/11/27/440 https://lkml.org/lkml/2012/11/21/568
https://lkml.org/lkml/2012/11/22/686
It's already fixed in the: commit a1bf9584429d61b7096f93ae09325e1ba538e9e8 tty: Add driver unthrottle in ioctl(...,TCFLSH,..).
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