Commit 09932626 authored Jan 24, 2020 by Michael Adisumarta

msm: ipa: Wait for the polling to complete before resetting the channel



Wait for the polling mode to be finished before cleaning any channel
irrespective of napi and non-napi objects to avoid race condition.


Change-Id: I2733a93dc555fed7465c09c07532a2a2e08eb96b
Acked-by: Suhas Mallesh <smallesh@qti.qualcomm.com>
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>

parent 740a3c7b

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

+3 −5

Original line number	Diff line number	Diff line
		@@ -1329,11 +1329,9 @@ int ipa3_teardown_sys_pipe(u32 clnt_hdl)
		return result;
		}

		if (ep->sys->napi_obj) {
		do {
		usleep_range(95, 105);
		} while (atomic_read(&ep->sys->curr_polling_state));
		}

		if (IPA_CLIENT_IS_CONS(ep->client))
		cancel_delayed_work_sync(&ep->sys->replenish_rx_work);