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/* Copyright (c) 2013-2015, 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
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <soc/qcom/scm.h>
#if defined(CONFIG_QCOM_XPU_ERR_FATAL)
#define ERR_FATAL_VAL 0x0
#elif defined(CONFIG_QCOM_XPU_ERR_NONFATAL)
#define ERR_FATAL_VAL 0x1
#endif
#define XPU_ERR_FATAL 0xe
static int __init xpu_err_fatal_init(void)
{
int ret, response;
struct {
unsigned int config;
unsigned int spare;
} cmd;
struct scm_desc desc = {0};
desc.arginfo = SCM_ARGS(2);
desc.args[0] = cmd.config = ERR_FATAL_VAL;
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",
ret);
else
pr_info("Configuring XPU violations to be fatal errors\n");
return ret;
}
early_initcall(xpu_err_fatal_init);
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