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Commit 281e0780 authored by Vikram Mulukutla's avatar Vikram Mulukutla
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soc: qcom: scm-xpu: Add support for the new scm_call2 API 



The scm library has added support for a new secure world
interface that is more aligned to the ARMv8 SMC calling
convention. Use the new API while maintaining backward
compatibility.

Change-Id: I108e4bb968e44a7e8a81033f8f1a837e4abad25a
Signed-off-by: default avatarVikram Mulukutla <markivx@codeaurora.org>
parent 7adfdd78

drivers/soc/qcom/scm-xpu.c

+11 −5
Original line number Diff line number Diff line 
/* Copyright (c) 2013, The Linux Foundation. All rights reserved.

/* Copyright (c) 2013-2014, 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
@@ -27,11 +27,17 @@ static int __init xpu_err_fatal_init(void) 
		unsigned int config;

		unsigned int spare;

	} cmd;

	cmd.config = ERR_FATAL_ENABLE;

	cmd.spare = 0;

	struct scm_desc desc = {0};



	ret = scm_call(SCM_SVC_MP, XPU_ERR_FATAL, &cmd, sizeof(cmd), &response,

			sizeof(response));

	desc.arginfo = SCM_ARGS(2);

	desc.args[0] = cmd.config = ERR_FATAL_ENABLE;

	desc.args[1] = cmd.spare = 0;



	if (!is_scm_armv8())

		ret = scm_call(SCM_SVC_MP, XPU_ERR_FATAL, &cmd, sizeof(cmd),

				&response, sizeof(response));

	else

		ret = scm_call2(SCM_SIP_FNID(SCM_SVC_MP, XPU_ERR_FATAL), &desc);



	if (ret != 0)

		pr_warn("Failed to set XPU violations as fatal errors: %d\n",