diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index e84ab13..0a46fe3 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -146,7 +146,21 @@
 
 	/* Compute the flash size */
 	flash->shift = (flash->dual_flash & SF_DUAL_PARALLEL_FLASH) ? 1 : 0;
-	flash->page_size = ((ext_jedec == 0x4d00) ? 512 : 256) << flash->shift;
+	/*
+	 * The Spansion S25FL032P and S25FL064P have 256b pages, yet use the
+	 * 0x4d00 Extended JEDEC code. The rest of the Spansion flashes with
+	 * the 0x4d00 Extended JEDEC code have 512b pages. All of the others
+	 * have 256b pages.
+	 */
+	if (ext_jedec == 0x4d00) {
+		if ((jedec == 0x0215) || (jedec == 0x216))
+			flash->page_size = 256;
+		else
+			flash->page_size = 512;
+	} else {
+		flash->page_size = 256;
+	}
+	flash->page_size <<= flash->shift;
 	flash->sector_size = params->sector_size << flash->shift;
 	flash->size = flash->sector_size * params->nr_sectors << flash->shift;
 #ifdef CONFIG_SF_DUAL_FLASH