M7350/kernel/arch/arm/mach-msm/msm_smem_iface.c
2024-09-09 08:52:07 +00:00

47 lines
1.6 KiB
C

/* Copyright (c) 2012, 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 "msm_smem_iface.h"
/**
* mem_get_cpr_info() - Copy Core Power Reduction (CPR) driver specific
* data from Shared memory (SMEM).
* @cpr_info - Pointer to CPR data. Memory to be allocated and freed by
* calling function.
*
* Copy CPR specific data from SMEM to cpr_info.
*/
void msm_smem_get_cpr_info(struct cpr_info_type *cpr_info)
{
struct boot_info_for_apps *boot_info;
struct cpr_info_type *temp_cpr_info;
uint32_t smem_boot_info_size;
boot_info = smem_get_entry(SMEM_BOOT_INFO_FOR_APPS,
&smem_boot_info_size);
BUG_ON(!boot_info);
if (smem_boot_info_size < sizeof(struct boot_info_for_apps)) {
pr_err("%s: Shared boot info data structure too small!\n",
__func__);
BUG();
} else {
pr_debug("%s: Shared boot info available.\n", __func__);
}
temp_cpr_info = (struct cpr_info_type *) &(boot_info->cpr_info);
cpr_info->ring_osc = temp_cpr_info->ring_osc;
cpr_info->turbo_quot = temp_cpr_info->turbo_quot;
cpr_info->pvs_fuse = temp_cpr_info->pvs_fuse;
cpr_info->floor_fuse = temp_cpr_info->floor_fuse;
cpr_info->disable_cpr = temp_cpr_info->disable_cpr;
}