mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
d6782c2636
Add helper functions for the of_clk_providers list locking and an unlocked variant of of_clk_get_from_provider(). These functions are intended to be used in the clkdev to avoid race condition in the device tree based clock look up in clk_get(). Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
17 lines
510 B
C
17 lines
510 B
C
/*
|
|
* linux/drivers/clk/clk.h
|
|
*
|
|
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
|
* Sylwester Nawrocki <s.nawrocki@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
|
|
struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec);
|
|
void of_clk_lock(void);
|
|
void of_clk_unlock(void);
|
|
#endif
|