Merge "msm: ipa3: Not required to send DMA_TASK with 1B packet to IPA" (ea80bb2a) · Commits · e / devices / android_kernel_fairphone_FP4

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

+12 −8

Original line number	Diff line number	Diff line
		@@ -7360,7 +7360,11 @@ static int __ipa3_stop_gsi_channel(u32 clnt_hdl)
		ep->gsi_chan_hdl, res);
		if (res != -GSI_STATUS_AGAIN && res != -GSI_STATUS_TIMED_OUT)
		return res;

		/*
		* From >=IPA4.0 version not required to send dma send command,
		* this issue was fixed in latest versions.
		*/
		if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) {
		IPADBG("Inject a DMA_TASK with 1B packet to IPA\n");
		/* Send a 1B packet DMA_TASK to IPA and try again */
		res = ipa3_inject_dma_task_for_gsi();
		@@ -7368,7 +7372,7 @@ static int __ipa3_stop_gsi_channel(u32 clnt_hdl)
		IPAERR("Failed to inject DMA TASk for GSI\n");
		return res;
		}

		}
		/* sleep for short period to flush IPA */
		usleep_range(IPA_GSI_CHANNEL_STOP_SLEEP_MIN_USEC,
		IPA_GSI_CHANNEL_STOP_SLEEP_MAX_USEC);