All supported platforms are able to pass specific configurations via the Device Tree on boot. Here we add a function which is to be called during the probing process which will extract them, or make other assumptions based on capabilities provided.
Signed-off-by: Lee Jones <[email protected]> --- drivers/mtd/devices/st_spi_fsm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index 5f21d14..1f54983 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -273,6 +273,15 @@ static int stfsm_init(struct stfsm *fsm) return 0; } +static void stfsm_fetch_platform_configs(struct platform_device *pdev) +{ + struct stfsm *fsm = platform_get_drvdata(pdev); + struct flash_info *info = fsm->info; + + if (info->sector_size * info->n_sectors > 0xFFFFFF) + info->flags |= FLASH_FLAG_32BIT_ADDR; +} + static int stfsm_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -331,6 +340,8 @@ static int stfsm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, fsm); + stfsm_fetch_platform_configs(pdev); + 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/
