korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 21:38:32 +08:00
Code Issues Packages Projects Releases Wiki Activity

clk: mux: provide devm_clk_hw_register_mux()

Browse Source 
Add devm_clk_hw_register_mux() - devres-managed version of
clk_hw_register_mux().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20210331105735.3690009-2-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Dmitry Baryshkov 2021-03-31 13:57:12 +03:00 committed by Rob Clark
parent cb3fd74a03
commit b3084079c1
2 changed files with 48 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/clk/clk-mux.c
View File

@ -8,6 +8,7 @@
*/
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/io.h>
@ -206,6 +207,40 @@ struct clk_hw *__clk_hw_register_mux(struct device *dev, struct device_node *np,
}
EXPORT_SYMBOL_GPL(__clk_hw_register_mux);
static void devm_clk_hw_release_mux(struct device *dev, void *res)
{
clk_hw_unregister_mux(*(struct clk_hw **)res);
}
struct clk_hw *__devm_clk_hw_register_mux(struct device *dev, struct device_node *np,
const char *name, u8 num_parents,
const char * const *parent_names,
const struct clk_hw **parent_hws,
const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock)
{
struct clk_hw **ptr, *hw;
ptr = devres_alloc(devm_clk_hw_release_mux, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
hw = __clk_hw_register_mux(dev, np, name, num_parents, parent_names, parent_hws,
parent_data, flags, reg, shift, mask,
clk_mux_flags, table, lock);
if (!IS_ERR(hw)) {
*ptr = hw;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return hw;
}
EXPORT_SYMBOL_GPL(__devm_clk_hw_register_mux);
struct clk *clk_register_mux_table(struct device *dev, const char *name,
const char * const *parent_names, u8 num_parents,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask,

13
include/linux/clk-provider.h
View File

@ -868,6 +868,13 @@ struct clk_hw *__clk_hw_register_mux(struct device *dev, struct device_node *np,
const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock);
struct clk_hw *__devm_clk_hw_register_mux(struct device *dev, struct device_node *np,
const char *name, u8 num_parents,
const char * const *parent_names,
const struct clk_hw **parent_hws,
const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock);
struct clk *clk_register_mux_table(struct device *dev, const char *name,
const char * const *parent_names, u8 num_parents,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
@ -902,6 +909,12 @@ struct clk *clk_register_mux_table(struct device *dev, const char *name,
__clk_hw_register_mux((dev), NULL, (name), (num_parents), NULL, NULL, \
(parent_data), (flags), (reg), (shift), \
BIT((width)) - 1, (clk_mux_flags), NULL, (lock))
#define devm_clk_hw_register_mux(dev, name, parent_names, num_parents, flags, reg, \
shift, width, clk_mux_flags, lock) \
__devm_clk_hw_register_mux((dev), NULL, (name), (num_parents), \
(parent_names), NULL, NULL, (flags), (reg), \
(shift), BIT((width)) - 1, (clk_mux_flags), \
NULL, (lock))
int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags,
unsigned int val);