mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
50b956f3d8
This patch adds stubs for the SCM functions exposed in the QCOM SCM API. Signed-off-by: Andy Gross <agross@codeaurora.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* Copyright (c) 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/io.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/qcom_scm.h>
|
|
|
|
/**
|
|
* qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus
|
|
* @entry: Entry point function for the cpus
|
|
* @cpus: The cpumask of cpus that will use the entry point
|
|
*
|
|
* Set the cold boot address of the cpus. Any cpu outside the supported
|
|
* range would be removed from the cpu present mask.
|
|
*/
|
|
int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
/**
|
|
* qcom_scm_set_warm_boot_addr() - Set the warm boot address for cpus
|
|
* @entry: Entry point function for the cpus
|
|
* @cpus: The cpumask of cpus that will use the entry point
|
|
*
|
|
* Set the Linux entry point for the SCM to transfer control to when coming
|
|
* out of a power down. CPU power down may be executed on cpuidle or hotplug.
|
|
*/
|
|
int __qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
/**
|
|
* qcom_scm_cpu_power_down() - Power down the cpu
|
|
* @flags - Flags to flush cache
|
|
*
|
|
* This is an end point to power down cpu. If there was a pending interrupt,
|
|
* the control would return from this function, otherwise, the cpu jumps to the
|
|
* warm boot entry point set for this cpu upon reset.
|
|
*/
|
|
void __qcom_scm_cpu_power_down(u32 flags)
|
|
{
|
|
}
|
|
|
|
int __qcom_scm_is_call_available(u32 svc_id, u32 cmd_id)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
int __qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|