Hi Mike, On Tue, 2014-03-11 at 08:07AM +0100, Mike Looijmans wrote: > Pressing CTRL-C while communicating with an I2C device leads to erratic > behaviour. The cause is that the controller will interrupt the I2C transfer > in progress, and leave the client device in an undefined state. Many > drivers do not handle error return codes on I2C transfers. The calling driver > has no way of telling how much of the transfer has actually completed, so > it cannot reliably determine the device's state. > > The best solution here is to not handle signals in the I2C bus driver at all, > but always complete a transaction before returning control. > > See for a related patch and discussion on this topic: > http://lkml.org/lkml/2014/1/9/246 > > Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx> Acked-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx> Thanks for the update. I'll take these changes and resubmit the driver to LKML as well. Sören -- 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
