spi_nor_write_sr
return spi_nor_write_sr(nor, nor->bouncebuf, 1);
ret = spi_nor_write_sr(nor, nor->bouncebuf, 1);
ret = spi_nor_write_sr(nor, sr_cr, 2);
ret = spi_nor_write_sr(nor, sr_cr, 2);
int spi_nor_write_sr(struct spi_nor *nor, const u8 *sr, size_t len);