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Commit 54c7fb8d authored by Dhoat Harpal's avatar Dhoat Harpal
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soc: qcom: glink_smem_native_xport: Send blocked signal command 



Glink smem xprt driver is not sending blocked signal command to
remote side, when fifo gets full during tx_data. This results in
Glink tx_thread taking longer time in sending data to remote side.

Glink smem xprt driver sends blocked signal command.

CRs-Fixed: 2154819
Change-Id: I105fce28449db2dd0931292cd6850d2409ae683d
Signed-off-by: default avatarDhoat Harpal <hdhoat@codeaurora.org>
parent be27e35c

drivers/soc/qcom/glink_smem_native_xprt.c

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2018, 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
@@ -2028,6 +2028,7 @@ static int tx_data(struct glink_transport_if *if_ptr, uint16_t cmd_id, 
	/* Need enough space to write the command and some data */

	if (size <= sizeof(cmd)) {

		einfo->tx_resume_needed = true;

		send_tx_blocked_signal(einfo);

		spin_unlock_irqrestore(&einfo->write_lock, flags);

		srcu_read_unlock(&einfo->use_ref, rcu_id);

		return -EAGAIN;