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of: reserved-memory: Add stub for RESERVEDMEM_OF_DECLARE() 

The reserved-memory Kconfig could be disabled when drivers are
compile-tested. In this case RESERVEDMEM_OF_DECLARE() produces a
noisy warning about the orphaned __reservedmem_of_table section.
Add the missing stub that fixes the warning. In particular this is
needed for compile-testing of NVIDIA Tegra210 memory driver which
uses reserved-memory.

Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210610162313.20942-1-digetx@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Dmitry Osipenko 2021-06-10 19:23:13 +03:00 committed by Rob Herring
parent 89f8a707d0
commit 67a066b357
2 changed files with 13 additions and 6 deletions
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11
include/linux/of.h
View File

@ -1329,6 +1329,12 @@ static inline int of_get_available_child_count(const struct device_node *np)
return num;
}
#define _OF_DECLARE_STUB(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 }
#if defined(CONFIG_OF) && !defined(MODULE)
#define _OF_DECLARE(table, name, compat, fn, fn_type) \
static const struct of_device_id __of_table_##name \
@ -1338,10 +1344,7 @@ static inline int of_get_available_child_count(const struct device_node *np)
.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 }
_OF_DECLARE_STUB(table, name, compat, fn, fn_type)
#endif
typedef int (*of_init_fn_2)(struct device_node *, struct device_node *);

8
include/linux/of_reserved_mem.h
View File

@ -27,11 +27,11 @@ struct reserved_mem_ops {
typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
#ifdef CONFIG_OF_RESERVED_MEM
#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
_OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)
#ifdef CONFIG_OF_RESERVED_MEM
int of_reserved_mem_device_init_by_idx(struct device *dev,
struct device_node *np, int idx);
int of_reserved_mem_device_init_by_name(struct device *dev,
@ -41,6 +41,10 @@ void of_reserved_mem_device_release(struct device *dev);
struct reserved_mem *of_reserved_mem_lookup(struct device_node *np);
#else
#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
_OF_DECLARE_STUB(reservedmem, name, compat, init, reservedmem_of_init_fn)
static inline int of_reserved_mem_device_init_by_idx(struct device *dev,
struct device_node *np, int idx)
{