diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/firmware_class.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 316991429032..43b97a8137f7 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -62,13 +62,9 @@ struct fw_state { #define FW_OPT_UEVENT (1U << 0) #define FW_OPT_NOWAIT (1U << 1) #define FW_OPT_USERHELPER (1U << 2) -#ifdef CONFIG_FW_LOADER_USER_HELPER_FALLBACK -#define FW_OPT_FALLBACK FW_OPT_USERHELPER -#else -#define FW_OPT_FALLBACK 0 -#endif #define FW_OPT_NO_WARN (1U << 3) #define FW_OPT_NOCACHE (1U << 4) +#define FW_OPT_NOFALLBACK (1U << 5) struct firmware_cache { /* firmware_buf instance will be added into the below list */ @@ -1154,12 +1150,34 @@ out_unlock: return ret; } +#ifdef CONFIG_FW_LOADER_USER_HELPER_FALLBACK +static bool fw_force_sysfs_fallback(unsigned int opt_flags) +{ + return true; +} +#else +static bool fw_force_sysfs_fallback(unsigned int opt_flags) +{ + if (!(opt_flags & FW_OPT_USERHELPER)) + return false; + return true; +} +#endif + +static bool fw_run_sysfs_fallback(unsigned int opt_flags) +{ + if ((opt_flags & FW_OPT_NOFALLBACK)) + return false; + + return fw_force_sysfs_fallback(opt_flags); +} + static int fw_sysfs_fallback(struct firmware *fw, const char *name, struct device *device, unsigned int opt_flags, int ret) { - if (!(opt_flags & FW_OPT_USERHELPER)) + if (!fw_run_sysfs_fallback(opt_flags)) return ret; dev_warn(device, "Falling back to user helper\n"); @@ -1326,7 +1344,7 @@ request_firmware(const struct firmware **firmware_p, const char *name, /* Need to pin this module until return */ __module_get(THIS_MODULE); ret = _request_firmware(firmware_p, name, device, NULL, 0, - FW_OPT_UEVENT | FW_OPT_FALLBACK); + FW_OPT_UEVENT); module_put(THIS_MODULE); return ret; } @@ -1350,7 +1368,8 @@ int request_firmware_direct(const struct firmware **firmware_p, __module_get(THIS_MODULE); ret = _request_firmware(firmware_p, name, device, NULL, 0, - FW_OPT_UEVENT | FW_OPT_NO_WARN); + FW_OPT_UEVENT | FW_OPT_NO_WARN | + FW_OPT_NOFALLBACK); module_put(THIS_MODULE); return ret; } @@ -1379,8 +1398,7 @@ request_firmware_into_buf(const struct firmware **firmware_p, const char *name, __module_get(THIS_MODULE); ret = _request_firmware(firmware_p, name, device, buf, size, - FW_OPT_UEVENT | FW_OPT_FALLBACK | - FW_OPT_NOCACHE); + FW_OPT_UEVENT | FW_OPT_NOCACHE); module_put(THIS_MODULE); return ret; } @@ -1472,7 +1490,7 @@ request_firmware_nowait( fw_work->device = device; fw_work->context = context; fw_work->cont = cont; - fw_work->opt_flags = FW_OPT_NOWAIT | FW_OPT_FALLBACK | + fw_work->opt_flags = FW_OPT_NOWAIT | (uevent ? FW_OPT_UEVENT : FW_OPT_USERHELPER); if (!try_module_get(module)) { |