b7a39bd0af
In preparation for supporting firmware files linked into the static kernel, make fw->data const to ensure that users aren't modifying it (so that we can pass a pointer to the original in-kernel copy, rather than having to copy it). Signed-off-by: David Woodhouse <dwmw2@infradead.org>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#ifndef _LINUX_FIRMWARE_H
|
|
#define _LINUX_FIRMWARE_H
|
|
#include <linux/module.h>
|
|
#include <linux/types.h>
|
|
#define FIRMWARE_NAME_MAX 30
|
|
#define FW_ACTION_NOHOTPLUG 0
|
|
#define FW_ACTION_HOTPLUG 1
|
|
|
|
struct firmware {
|
|
size_t size;
|
|
const u8 *data;
|
|
};
|
|
|
|
struct device;
|
|
|
|
#if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
|
|
int request_firmware(const struct firmware **fw, const char *name,
|
|
struct device *device);
|
|
int request_firmware_nowait(
|
|
struct module *module, int uevent,
|
|
const char *name, struct device *device, void *context,
|
|
void (*cont)(const struct firmware *fw, void *context));
|
|
|
|
void release_firmware(const struct firmware *fw);
|
|
#else
|
|
static inline int request_firmware(const struct firmware **fw,
|
|
const char *name,
|
|
struct device *device)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
static inline int request_firmware_nowait(
|
|
struct module *module, int uevent,
|
|
const char *name, struct device *device, void *context,
|
|
void (*cont)(const struct firmware *fw, void *context))
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline void release_firmware(const struct firmware *fw)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif
|