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of: consolidate linker section OF match table declarations

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We now have several OF match tables using linker sections that are
nearly the same definition. The only variation is the callback function
prototype. Create a common define for creating linker section OF match
table entries which each table declaration can use.

Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2014-05-08 16:09:24 -05:00
parent 826d895841
commit 54196ccbe0
6 changed files with 32 additions and 38 deletions
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2
drivers/clocksource/clksrc-of.c
View File

@ -27,7 +27,7 @@ void __init clocksource_of_init(void)
{
struct device_node *np;
const struct of_device_id *match;
clocksource_of_init_fn init_func;
of_init_fn_1 init_func;
unsigned clocksources = 0;
for_each_matching_node_and_match(np, __clksrc_of_table, &match) {

7
drivers/irqchip/irqchip.h
View File

@ -11,6 +11,8 @@
#ifndef _IRQCHIP_H
#define _IRQCHIP_H
#include <linux/of.h>
/*
* This macro must be used by the different irqchip drivers to declare
* the association between their DT compatible string and their
@ -21,9 +23,6 @@
* @compstr: compatible string of the irqchip driver
* @fn: initialization function
*/
#define IRQCHIP_DECLARE(name,compstr,fn) \
static const struct of_device_id irqchip_of_match_##name \
__used __section(__irqchip_of_table) \
= { .compatible = compstr, .data = fn }
#define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn)
#endif

5
include/linux/clk-provider.h
View File

@ -498,10 +498,7 @@ struct clk_onecell_data {
extern struct of_device_id __clk_of_table;
#define CLK_OF_DECLARE(name, compat, fn) \
static const struct of_device_id __clk_of_table_##name \
__used __section(__clk_of_table) \
= { .compatible = compat, .data = fn };
#define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn)
#ifdef CONFIG_OF
int of_clk_add_provider(struct device_node *np,

16
include/linux/clocksource.h
View File

@ -339,23 +339,13 @@ extern int clocksource_mmio_init(void __iomem *, const char *,
extern int clocksource_i8253_init(void);
struct device_node;
typedef void(*clocksource_of_init_fn)(struct device_node *);
#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \
OF_DECLARE_1(clksrc, name, compat, fn)
#ifdef CONFIG_CLKSRC_OF
extern void clocksource_of_init(void);
#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \
static const struct of_device_id __clksrc_of_table_##name \
__used __section(__clksrc_of_table) \
= { .compatible = compat, \
.data = (fn == (clocksource_of_init_fn)NULL) ? fn : fn }
#else
static inline void clocksource_of_init(void) {}
#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \
static const struct of_device_id __clksrc_of_table_##name \
__attribute__((unused)) \
= { .compatible = compat, \
.data = (fn == (clocksource_of_init_fn)NULL) ? fn : fn }
#endif
#endif /* _LINUX_CLOCKSOURCE_H */

22
include/linux/of.h
View File

@ -757,4 +757,26 @@ static inline int of_get_available_child_count(const struct device_node *np)
return num;
}
#ifdef CONFIG_OF
#define _OF_DECLARE(table, name, compat, fn, fn_type) \
static const struct of_device_id __of_table_##name \
__used __section(__##table##_of_table) \
= { .compatible = compat, \
.data = (fn == (fn_type)NULL) ? fn : fn }
#else
#define _OF_DECLARE(table, name, compat, fn, fn_type) \
static const struct of_device_id __of_table_##name \
__attribute__((unused)) \
= { .compatible = compat, \
.data = (fn == (fn_type)NULL) ? fn : fn }
#endif
typedef int (*of_init_fn_2)(struct device_node *, struct device_node *);
typedef void (*of_init_fn_1)(struct device_node *);
#define OF_DECLARE_1(table, name, compat, fn) \
_OF_DECLARE(table, name, compat, fn, of_init_fn_1)
#define OF_DECLARE_2(table, name, compat, fn) \
_OF_DECLARE(table, name, compat, fn, of_init_fn_2)
#endif /* _LINUX_OF_H */

18
include/linux/of_reserved_mem.h
View File

@ -23,31 +23,17 @@ struct reserved_mem_ops {
typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
_OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)
#ifdef CONFIG_OF_RESERVED_MEM
void fdt_init_reserved_mem(void);
void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
phys_addr_t base, phys_addr_t size);
#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
static const struct of_device_id __reservedmem_of_table_##name \
__used __section(__reservedmem_of_table) \
= { .compatible = compat, \
.data = (init == (reservedmem_of_init_fn)NULL) ? \
init : init }
#else
static inline void fdt_init_reserved_mem(void) { }
static inline void fdt_reserved_mem_save_node(unsigned long node,
const char *uname, phys_addr_t base, phys_addr_t size) { }
#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
static const struct of_device_id __reservedmem_of_table_##name \
__attribute__((unused)) \
= { .compatible = compat, \
.data = (init == (reservedmem_of_init_fn)NULL) ? \
init : init }
#endif
#endif /* __OF_RESERVED_MEM_H */