On Wed, Jan 23, 2013 at 02:07:57PM +0900, Chanho Min wrote: > On Tue, Jan 22, 2013 at 10:18 PM, Linus Walleij > <linus.walleij@xxxxxxxxxx> wrote: > >> - If poll timer is activated, We use consistent DMA mappings to avoid from > >> the frequent cache operation of the timer function. sg->coherency is used > >> to check if buffer is coherent. > > > > Hm. We can begin like this but maybe we should later patch it to > > make this the default unless it has performance impacts on our > > systems. > Good, I really hope to make this the default. > We expect it has no impact to system even if no polling use. > > > Maybe this is a good opportunity to add some kerneldoc above > > this struct so as to help platform implementers. It will invariably > > be reused by Device Tree binding authors later on... > Agree, but, frankly I need help about what I didn't modify. > So We will leave this work for the next submit. So, should this patch be applied? Can I get an ack from someone who knows this driver/platform please? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html