Hello Tim, hello Wolfram, On Fri, Jul 08, 2016 at 12:49:04PM -0700, Tim Harvey wrote: > On Thu, Jul 7, 2016 at 11:28 PM, Uwe Kleine-König > <u.kleine-koenig@xxxxxxxxxxxxxx> wrote: > > Hello Tim, > > > > On Thu, Jul 07, 2016 at 07:03:49AM -0700, Tim Harvey wrote: > >> Gateworks Ventana IMX6 based boards have a Gateworks System Controller [1] > >> (gsc) device that can NAK i2c transactions when its busy in an ADC loop. As > >> this is always on i2c-0 we will add retries for that bus for any Ventana > >> board. > > > > The right thing is to fix the drivers IMHO. > > > The issue I have is that the i2c device emulates several other devices > with existing drivers (pca953x, ds1672, at24) and those drivers don't > have any retry mechanism in place for a retry. > > Maybe if I converted those drivers to use regmap I could implement a > regmap with retries in the mfd driver for my device? Wolfram: what do you think? Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html