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firmware: provide stubs for the FW_LOADER=n case

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libsas has a case where it uses the firmware loader to provide services,
but doesn't want to select it all the time.  This currently causes a
compile failure in libsas if FW_LOADER=n.  Fix this by providing error
stubs for the firmware loader API in the FW_LOADER=n case.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
James Bottomley 2008-03-07 08:57:54 -06:00 committed by Greg Kroah-Hartman
parent 661b4e89da
commit fbab976d7c
1 changed files with 23 additions and 0 deletions
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23
include/linux/firmware.h
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@ -10,7 +10,10 @@ struct firmware {
size_t size;
u8 *data;
};
struct device;
#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
int request_firmware(const struct firmware **fw, const char *name,
struct device *device);
int request_firmware_nowait(
@ -19,4 +22,24 @@ int request_firmware_nowait(
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