There is no reason to drive the radeon I2C buses at such a low speed, so bump
it from 12.5 kbps to 50 kbps.  The Intel (i810) and Matrox framebuffer drivers
already run their I2C bus at this speed.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        chan->algo.setscl               = radeon_gpio_setscl;
        chan->algo.getsda               = radeon_gpio_getsda;
        chan->algo.getscl               = radeon_gpio_getscl;
-       chan->algo.udelay               = 40;
+       chan->algo.udelay               = 10;
        chan->algo.timeout              = 20;
        chan->algo.data                 = chan;