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Commit f0ad5675 authored by Ravinder Konka's avatar Ravinder Konka
Browse files

msm: ipa: Fix to read all QMI responses from modem 



Tethered stats will be polled every few seconds. In some
cases there will be a possibility that modem doesn't respond back
to the request on time and sends both the responses for the next
request. This can result in a stall where SYNC message is not read
by IPA QMI driver. Make a change to read all QMI responses from modem
instead of reading only once.

Change-Id: I312a38bac91c7feab2df3a2b35cb3c3c32624db4
Acked-by: default avatarChaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: default avatarRavinder Konka <rkonka@codeaurora.org>
parent 2002720e

drivers/platform/msm/ipa/ipa_v2/ipa_qmi_service.c

+5 −2
Original line number Diff line number Diff line
@@ -688,8 +688,11 @@ static void ipa_q6_clnt_recv_msg(struct work_struct *work) 
{

	int rc;



	do {

		IPAWANDBG("Notified about a Receive Event");

		rc = qmi_recv_msg(ipa_q6_clnt);

	if (rc < 0)

	} while (rc == 0);

	if (rc != -ENOMSG)

		IPAWANERR("Error receiving message\n");

}

drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.c

+5 −2
Original line number Diff line number Diff line
@@ -711,8 +711,11 @@ static void ipa3_q6_clnt_recv_msg(struct work_struct *work) 
{

	int rc;



	do {

		IPAWANDBG("Notified about a Receive Event");

		rc = qmi_recv_msg(ipa_q6_clnt);

	if (rc < 0)

	} while (rc == 0);

	if (rc != -ENOMSG)

		IPAWANERR("Error receiving message\n");

}