+the DT maintainers On Tue, 5 Sep 2017 13:23:39 -0700 "William A. Kennington III" <wak@xxxxxxxxxx> wrote: > As of skiboot@ba99af9b149d02438347b055e6e7d6bd15e33551, we now support I didn't find this commit in mainline. > adding a device tree entry which marks a flash device as not needing > erase. This patch adds support for setting MTD_NO_ERASE on powernvflash > devices which have the property no-erase. > > Signed-off-by: William A. Kennington III <wak@xxxxxxxxxx> > --- > drivers/mtd/devices/powernv_flash.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c > index f5396f26ddb4..fab9f9121b4c 100644 > --- a/drivers/mtd/devices/powernv_flash.c > +++ b/drivers/mtd/devices/powernv_flash.c > @@ -196,6 +196,8 @@ static int powernv_flash_set_driver_info(struct device *dev, > mtd->name = of_get_property(dev->of_node, "name", NULL); > mtd->type = MTD_NORFLASH; > mtd->flags = MTD_WRITEABLE; > + if (of_property_read_bool(dev->of_node, "no-erase")) > + mtd->flags |= MTD_NO_ERASE; I don't see this property document in a DT binding doc, which is mandatory. Actually, there's no DT bindings doc at all for the 'ibm,opal-flash' device in mainline, is this normal? > mtd->size = size; > mtd->erasesize = erase_size; > mtd->writebufsize = mtd->writesize = 1; -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
