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Commit 722b5b4e authored by Mohammed Javid's avatar Mohammed Javid
Browse files

msm: ipa3: Update holb config on USB DPL ep 



Once USB DPL consumer ep is configured,
there is a chance of IPA hardware getting stalled,
if DPL client is not pulling the data over other end.
so, set holb discard over USB DPL cons ep
to avoid this stall.

Change-Id: I520b8c1ec84e03b783677c43670cbb9f904a4b4f
Signed-off-by: default avatarMohammed Javid <mjavid@codeaurora.org>
parent 87707ca3

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

+11 −3
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -63,6 +63,14 @@ int ipa3_enable_data_path(u32 clnt_hdl) 
	IPADBG("Enabling data path\n");

	if (IPA_CLIENT_IS_CONS(ep->client)) {

		memset(&holb_cfg, 0, sizeof(holb_cfg));

		/*

		 * Set HOLB on USB DPL CONS to avoid IPA stall

		 * if DPL client is not pulling the data

		 * on other end from IPA hw.

		 */

		if (ep->client == IPA_CLIENT_USB_DPL_CONS)

			holb_cfg.en = IPA_HOLB_TMR_EN;

		else

			holb_cfg.en = IPA_HOLB_TMR_DIS;

		holb_cfg.tmr_val = 0;

		res = ipa3_cfg_ep_holb(clnt_hdl, &holb_cfg);