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Commit 63d831d0 authored by Chris Lew's avatar Chris Lew
Browse files

mailbox: Add snapshot of MSM QMP driver 



This snapshot is taken as of msm-4.19 'commit <dac6e981b55e>
("Merge "icnss: Skip removing WLAN host driver during recovery"")'.

In addition, update header copyright and remove unnecessary module
owner assignment.

Change-Id: Ic1e6ff34ca90a52d6b879ef0b12f5b60e9aec058
Signed-off-by: default avatarChris Lew <clew@codeaurora.org>
parent 85bf042e

drivers/mailbox/Kconfig

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@@ -227,4 +227,12 @@ config ZYNQMP_IPI_MBOX 
	  message to the IPI buffer and will access the IPI control

	  registers to kick the other processor or enquire status.



config MSM_QMP

	tristate "QTI Mailbox Protocol(QMP)"

	help

	  Say yes to add support for the QTI Mailbox Protocol mailbox driver.

	  QMP is a lightweight communication protocol for sending messages to

	  a remote processor. This protocol fits into the Generic Mailbox

	  Framework. QMP uses a mailbox located in shared memory.



endif

drivers/mailbox/Makefile

+2 −0
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@@ -48,3 +48,5 @@ obj-$(CONFIG_STM32_IPCC) += stm32-ipcc.o 
obj-$(CONFIG_MTK_CMDQ_MBOX)	+= mtk-cmdq-mailbox.o



obj-$(CONFIG_ZYNQMP_IPI_MBOX)	+= zynqmp-ipi-mailbox.o



obj-$(CONFIG_MSM_QMP)   += msm_qmp.o

drivers/mailbox/msm_qmp.c

0 → 100644
+1019 −0

File added.

Preview size limit exceeded, changes collapsed.

include/linux/mailbox/qmp.h

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/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.

 */



#ifndef _QMP_H_

#define _QMP_H_



#include <linux/types.h>



/**

 * struct qmp_pkt - Packet structure to be used for TX and RX with QMP

 * @size	size of data

 * @data	Buffer holding data of this packet

 */

struct qmp_pkt {

	u32 size;

	void *data;

};



#endif /* _QMP_H_ */