On Sunday 28 December 2008, Ben Nizette wrote: > > > gpio_set_batch(DB0, value, 0xFFFF, 16) > > > > > > which has the nice performance benefit of skipping all the bit > > > counting in the most common use case scenario. > > > > but has the requirement that the driver know exactly the board level > > impmentation details (something that doesn't sound generic). > > The original use case for these batch operations was in a fastpath - > setting data lines on a framebuffer.
And the rationale for generalizing them was to let such fastpaths stop being board-specific hacks. :) -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
