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 */ 46