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tty: n_gsm: Delete gsm_disconnect when config requester
When n_gsm config "initiator=0",when gsmld config ,as requester ,it doesn't need to send CLD frame data or SABM frame. Example,when tty dev receive "AT+CMUX=0",it will change ldisc n_tty to n_gsm,during config requester,gsmld output "7e 01 ef c3 aa 7e", initiator maybe not want to receive the frame data. [ 154.666457] c1 Q> 0) R: UIH(F) [ 154.669514] c1 C3 [ 154.671519] c1 gsmld_output: 00000000: 7e 01 ef c3 aa 7e [ 155.014874] c1 Q> 0) R: UIH(F) [ 155.018000] c1 C3 [ 155.020046] c1 gsmld_output: 00000000: 7e 01 ef c3 aa 7e [ 155.364425] c1 Q> 0) R: UIH(F) [ 155.367546] c1 C3 [ 155.369597] c1 gsmld_output: 00000000: 7e 01 ef c3 aa 7e Signed-off-by: Zhenguo Zhao <Zhenguo.Zhao1@unisoc.com> Link: https://lore.kernel.org/r/1629461872-26965-5-git-send-email-zhenguo6858@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2304,7 +2304,7 @@ static int gsm_config(struct gsm_mux *gsm, struct gsm_config *c)
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* configuration
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* configuration
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*/
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*/
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if (need_close || need_restart) {
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if (gsm->initiator && (need_close || need_restart)) {
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int ret;
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int ret;
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ret = gsm_disconnect(gsm);
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ret = gsm_disconnect(gsm);
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