drivers/base/firmware_loader/fallback.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __FIRMWARE_FALLBACK_H
   3 #define __FIRMWARE_FALLBACK_H
   4
   5 #include <linux/firmware.h>
   6 #include <linux/device.h>
   7
   8 #include "firmware.h"
   9 #include "sysfs.h"
  10
  11 #ifdef CONFIG_FW_LOADER_USER_HELPER
  12 int firmware_fallback_sysfs(struct firmware *fw, const char *name,
  13                             struct device *device,
  14                             u32 opt_flags,
  15                             int ret);
  16 void kill_pending_fw_fallback_reqs(bool kill_all);
  17
  18 void fw_fallback_set_cache_timeout(void);
  19 void fw_fallback_set_default_timeout(void);
  20
  21 #else /* CONFIG_FW_LOADER_USER_HELPER */
  22 static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name,
  23                                           struct device *device,
  24                                           u32 opt_flags,
  25                                           int ret)
  26 {
  27         /* Keep carrying over the same error */
  28         return ret;
  29 }
  30
  31 static inline void kill_pending_fw_fallback_reqs(bool kill_all) { }
  32 static inline void fw_fallback_set_cache_timeout(void) { }
  33 static inline void fw_fallback_set_default_timeout(void) { }
  34 #endif /* CONFIG_FW_LOADER_USER_HELPER */
  35
  36 #ifdef CONFIG_EFI_EMBEDDED_FIRMWARE
  37 int firmware_fallback_platform(struct fw_priv *fw_priv);
  38 #else
  39 static inline int firmware_fallback_platform(struct fw_priv *fw_priv)
  40 {
  41         return -ENOENT;
  42 }
  43 #endif
  44
  45 #endif /* __FIRMWARE_FALLBACK_H */