Take some known parameters, namely size and number of sectors and use them to determine weather a device can support 32bit addressing or not. If it can, set the associated flash capability flag for latter use.
Acked-by Angus Clark <[email protected]> Signed-off-by: Lee Jones <[email protected]> --- drivers/mtd/devices/st_spi_fsm.c | 4 ++++ 1 file changed, 4 insertions(+) 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; -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

