Re: [PATCH v2] i2c: riic: Clear NACK in tend isr

On Thu, Sep 26, 2019 at 07:19:09AM -0500, Chris Brandt wrote:

The NACKF flag should be cleared in INTRIICNAKI interrupt processing as description in HW manual.

This issue shows up quickly when PREEMPT_RT is applied and a device is probed that is not plugged in (like a touchscreen controller). The result is endless interrupts that halt system boot.

Fixes: 310c18a41450 ("i2c: riic: add driver") Cc: stable@vger.kernel.org Reported-by: Chien Nguyen chien.nguyen.eb@rvc.renesas.com Signed-off-by: Chris Brandt chris.brandt@renesas.com

Applied to for-current, thanks!