Messages in this thread | | | From | Gregory CLEMENT <> | Subject | Re: [PATCH v2 0/3] TTY improve n_gsm support | Date | Mon, 18 May 2020 12:01:45 +0200 |
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Hello,
> Hello, > > This series is the second version of patch improving n_gms support > especially with TELIT LE910. However the fix should benefit to any > modem supporting cmux.
You can just ignore the emails from this point, I forgot to remove the remaining .patch!
Sorry for the noise
Gregory
> > The first patch is just about improving debugging output. > > The second one removes a tty optimization which make the LE910 hang. > > The last one fixes an issue observed on the LE910 but should benefit > to all the modem. We observed that pretty quickly the transfer done > using the virtual tty were blocked. We found that it was due of a > wakeup to the real tty. Without this fix, the real tty wait for > indefinitely. > > Thanks to Jiri Slaby for the review. > > Changelog: > v1 -> v2: > - don't replace the pr_info by pr_debug > - remove the superfluous printk("\n"); > - use --follow option with git log to find the original commit to fix > - use tty_port_tty_wakeup > - use 'for' loop instead of 'while' > > Gregory > > Gregory CLEMENT (3): > tty: n_gsm: Improve debug output > tty: n_gsm: Fix SOF skipping > tty: n_gsm: Fix waking up upper tty layer when room available > > drivers/tty/n_gsm.c | 48 +++++++++++++++++++++++---------------------- > 1 file changed, 25 insertions(+), 23 deletions(-) > > -- > 2.26.2 >
-- Gregory Clement, Bootlin Embedded Linux and Kernel engineering http://bootlin.com
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