On Tue, Aug 4, 2015 at 2:03 PM, Mika Westerberg <mika.westerb...@linux.intel.com> wrote:
> There is a hardware issue in Intel Baytrail where concurrent GPIO register > access might result reads of 0xffffffff and writes might get dropped > completely. > > Prevent this from happening by taking the serializing lock in all places > where it is possible that more than one thread might be accessing the > hardware concurrently. > > Signed-off-by: Mika Westerberg <mika.westerb...@linux.intel.com> Patch applied. Same comment here about the fastpath and the RT raw spinlocks. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/