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-rw-r--r--drivers/mtd/devices/st_spi_fsm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index 2740ae1..5a1b470 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -671,6 +671,10 @@ static int stfsm_probe(struct platform_device *pdev)
return -ENODEV;
fsm->info = info;
+ /* Use device size to determine address width */
+ if (info->sector_size * info->n_sectors > 0x1000000)
+ info->flags |= FLASH_FLAG_32BIT_ADDR;
+
fsm->mtd.dev.parent = &pdev->dev;
fsm->mtd.type = MTD_NORFLASH;
fsm->mtd.writesize = 4;
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