diff options
Diffstat (limited to 'common/firmware.c')
| -rw-r--r-- | common/firmware.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/common/firmware.c b/common/firmware.c index b87d7da38f..3c7960581f 100644 --- a/common/firmware.c +++ b/common/firmware.c @@ -272,17 +272,18 @@ int firmwaremgr_load_file(struct firmware_mgr *mgr, const char *firmware) firmwarefd = open(firmware, O_RDONLY); if (firmwarefd < 0) { - printf("could not open %s: %s\n", firmware, - errno_str()); + printf("could not open %s: %m\n", firmware); ret = firmwarefd; goto out; } - type = file_name_detect_type(firmware); + ret = file_name_detect_type(firmware, &type); + if (ret) + goto out; devicefd = open(dst, O_WRONLY); if (devicefd < 0) { - printf("could not open %s: %s\n", dst, errno_str()); + printf("could not open %s: %m\n", dst); ret = devicefd; goto out; } @@ -305,6 +306,38 @@ out: return ret; } +/* + * request_firmware - load a firmware to a device + */ +int request_firmware(const struct firmware **out, const char *fw_name, struct device *dev) +{ + char fw_path[PATH_MAX + 1]; + struct firmware *fw; + int ret; + + fw = kzalloc(sizeof(struct firmware), GFP_KERNEL); + if (!fw) + return -ENOMEM; + + snprintf(fw_path, sizeof(fw_path), "%s/%s", firmware_path, fw_name); + + ret = read_file_2(fw_path, &fw->size, (void *)&fw->data, FILESIZE_MAX); + if (ret) { + kfree(fw); + return ret; + } + + *out = fw; + + return 0; +} + +void release_firmware(const struct firmware *fw) +{ + kfree_const(fw->data); + kfree_const(fw); +} + static int firmware_init(void) { firmware_path = strdup("/env/firmware"); |