mtd: spi-nor: spansion: Set ECC block size

The S28 flash family uses 2-bit ECC by default with each ECC block being
16 bytes. Under this scheme multi-pass programming to an ECC block is
not allowed. Set the writesize to make sure multi-pass programming is
not attempted on the flash.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20201201102711.8727-4-p.yadav@ti.com

drivers/mtd/spi-nor/spansion.c

@@ -109,6 +109,7 @@ static int spi_nor_cypress_octal_dtr_enable(struct spi_nor *nor, bool enable)
 static void s28hs512t_default_init(struct spi_nor *nor)
 {
 	nor->params->octal_dtr_enable = spi_nor_cypress_octal_dtr_enable;
+	nor->params->writesize = 16;
 }
 
 static void s28hs512t_post_sfdp_fixup(struct spi_nor *nor)