Messages in this thread Patch in this message | | | From | Zhenguo Zhao <> | Subject | [PATCH] tty: n_gsm: delete CLD command frame as requester | Date | Thu, 1 Jul 2021 13:58:05 +0800 |
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From: Zhenguo Zhao <Zhenguo.Zhao1@unisoc.com>
as initiator,it may be send CLD conmmand ,as requester,there is no need to send the CLD control frame,it will cause redundant data.
Signed-off-by: Zhenguo Zhao <Zhenguo.Zhao1@unisoc.com> --- drivers/tty/n_gsm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 5fea02c..eecbc76 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -2043,9 +2043,11 @@ static int gsm_disconnect(struct gsm_mux *gsm) /* In theory disconnecting DLCI 0 is sufficient but for some modems this is apparently not the case. */ - gc = gsm_control_send(gsm, CMD_CLD, NULL, 0); - if (gc) - gsm_control_wait(gsm, gc); + if (gsm->initiator) { + gc = gsm_control_send(gsm, CMD_CLD, NULL, 0); + if (gc) + gsm_control_wait(gsm, gc); + } del_timer_sync(&gsm->t2_timer); /* Now we are sure T2 has stopped */ -- 1.9.1
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