57 	int	ret;  in setup_flash_device()  local
60 	ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,  in setup_flash_device()
62 	if (ret) {  in setup_flash_device()
64 		return ret;  in setup_flash_device()
90 	int	ret;  in env_sf_save()  local
92 	ret = setup_flash_device();  in env_sf_save()
93 	if (ret)  in env_sf_save()
94 		return ret;  in env_sf_save()
96 	ret = env_export(&env_new);  in env_sf_save()
97 	if (ret)  in env_sf_save()
115 			ret = -ENOMEM;  in env_sf_save()
118 		ret = spi_flash_read(env_flash, saved_offset,  in env_sf_save()
120 		if (ret)  in env_sf_save()
127 	ret = spi_flash_erase(env_flash, env_new_offset,  in env_sf_save()
129 	if (ret)  in env_sf_save()
134 	ret = spi_flash_write(env_flash, env_new_offset,  in env_sf_save()
136 	if (ret)  in env_sf_save()
140 		ret = spi_flash_write(env_flash, saved_offset,  in env_sf_save()
142 		if (ret)  in env_sf_save()
146 	ret = spi_flash_write(env_flash, env_offset + offsetof(env_t, flags),  in env_sf_save()
148 	if (ret)  in env_sf_save()
161 	return ret;  in env_sf_save()
167 	int ret;  in env_sf_load()  local
179 		ret = -EIO;  in env_sf_load()
183 	ret = setup_flash_device();  in env_sf_load()
184 	if (ret)  in env_sf_load()
187 	ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,  in env_sf_load()
189 	if (ret) {  in env_sf_load()
197 	ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND,  in env_sf_load()
199 	if (!ret) {  in env_sf_load()
206 		ret = -EIO;  in env_sf_load()
237 	ret = env_import((char *)ep, 0);  in env_sf_load()
238 	if (!ret) {  in env_sf_load()
250 	return ret;  in env_sf_load()
258 	int	ret = 1;  in env_sf_save()  local
261 	ret = setup_flash_device();  in env_sf_save()
262 	if (ret)  in env_sf_save()
263 		return ret;  in env_sf_save()
273 		ret = spi_flash_read(env_flash, saved_offset,  in env_sf_save()
275 		if (ret)  in env_sf_save()
279 	ret = env_export(&env_new);  in env_sf_save()
280 	if (ret)  in env_sf_save()
286 	ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,  in env_sf_save()
288 	if (ret)  in env_sf_save()
292 	ret = spi_flash_write(env_flash, CONFIG_ENV_OFFSET,  in env_sf_save()
294 	if (ret)  in env_sf_save()
298 		ret = spi_flash_write(env_flash, saved_offset,  in env_sf_save()
300 		if (ret)  in env_sf_save()
304 	ret = 0;  in env_sf_save()
311 	return ret;  in env_sf_save()
317 	int ret;  in env_sf_load()  local
326 	ret = setup_flash_device();  in env_sf_load()
327 	if (ret)  in env_sf_load()
330 	ret = spi_flash_read(env_flash,  in env_sf_load()
332 	if (ret) {  in env_sf_load()
337 	ret = env_import(buf, 1);  in env_sf_load()
338 	if (ret)  in env_sf_load()
347 	return ret;  in env_sf_load()