slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
CONFIG_DEFAULT_SPI_MODE);
+ if(!slave)
+ return 0;
+
spi_claim_bus(slave);
/* command */
slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
CONFIG_DEFAULT_SPI_MODE);
+ if (!slave)
+ return 0;
+
spi_claim_bus(slave);
buf[0] = SPI_EEPROM_WREN;