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soc: qcom: cmd-db: allow loading as a module 

This patch enables Command DB driver to be loaded as a module. Command
DB is inherent to RPMH interaction and as such would never be unloaded.
Add supress_bind_attrs to make it a permanently loaded module.

Reviewed-by: John Stultz <john.stultz@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Link: https://lore.kernel.org/r/20201001154144.5226-1-ilina@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Lina Iyer 2020-10-01 09:41:44 -06:00 committed by Bjorn Andersson
parent 84314cf7d0
commit 778279f4f5
2 changed files with 8 additions and 2 deletions
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2
drivers/soc/qcom/Kconfig
View File

@ -17,7 +17,7 @@ config QCOM_AOSS_QMP
Subsystem (AOSS) using Qualcomm Messaging Protocol (QMP).
config QCOM_COMMAND_DB
bool "Qualcomm Command DB"
tristate "Qualcomm Command DB"
depends on ARCH_QCOM || COMPILE_TEST
depends on OF_RESERVED_MEM
help

8
drivers/soc/qcom/cmd-db.c
View File

@ -1,8 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
/* Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved. */
#include <linux/debugfs.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_reserved_mem.h>
@ -340,12 +341,14 @@ static const struct of_device_id cmd_db_match_table[] = {
{ .compatible = "qcom,cmd-db" },
{ }
};
MODULE_DEVICE_TABLE(of, cmd_db_match_table);
static struct platform_driver cmd_db_dev_driver = {
.probe = cmd_db_dev_probe,
.driver = {
.name = "cmd-db",
.of_match_table = cmd_db_match_table,
.suppress_bind_attrs = true,
},
};
@ -354,3 +357,6 @@ static int __init cmd_db_device_init(void)
return platform_driver_register(&cmd_db_dev_driver);
}
arch_initcall(cmd_db_device_init);
MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Command DB Driver");
MODULE_LICENSE("GPL v2");