>> On 9/17/2010 6:09 AM, Sudhakar Rajashekhara wrote: >>> I remember I had some issues on OMAP-L138 with this fix, that's when >>> I reverted to configuring ICMDR before writing to DXR (Please see >>> here: https://patchwork.kernel.org/patch/75262/). I checked the BIOS >>> I2C driver code for OMAP-L138 and there also we are configuring MDR >>> before accessing DXR. > > Ah :/ > >> >> and resetting the i2c upon a NAK interrupt (after the stop) >> to clear the bad fifo data? > > I can't really comment on how valid that would be and can't easily test it. > > However preloading DXR does save one interrupt on transmit so the whole operation is faster and more efficient. > > Maybe v1 of my patch, with locking, is the best option? > > -- > Jon Povey How about writing MDR twice? Once where Sudakar wants it, without the start bit. And then where you want it with the start bit? Troy -- 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
