> > @@ -137,6 +168,9 @@ int mtd_ioctl(struct cdev *cdev, int request, void *buf)
> >  		dev_dbg(cdev->dev, "MEMSETBADBLOCK: 0x%08llx\n", *offset);
> >  		ret = mtd->block_markbad(mtd, *offset);
> >  		break;
> > +	case MEMERASE:
> > +		ret = mtd_erase(cdev, ei->length, ei->start + cdev->offset);
> > +		break;
> 
> Please check this compiles with CONFIG_MTD_WRITE disabled.

It does, since I move mtd_erase to the front. The upper block and
mtd_erase are both protected by MTD_WRITE.

-- 
Pengutronix e.K.                           | Wolfram Sang                |
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