> There is absolutely no hardware setup done by IDE subsystem or dtc2278 > host driver when ->io_32bit setting is changed and since ->io_32bit setting So ? The original author went to great trouble to specifically enforce the behaviour in question and probably did so for a reason. Would it not be far safer to fix it by keeping that enforcement and fixing where it is lost than removing it - especially if you cannot test the hardware ? > is only ever checked per drive / PIO transfer so this is currently purely > a software limitation (moreover HDIO_DRIVE_CMD and HDIO_DRIVE_TASKFILE > ioctls force 16-bit I/O anyway). > > [ I also haven't noticed anything related to this requirement in Winbond > W83759A datasheet (though I have only quickly skimmed through it)... ] Nothing in the sheet AFAIK but the DTC is a close relative not the actual winbond - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
