Hi, On Mon, Sep 2, 2024 at 8:26 AM Johan Hovold <johan+linaro@xxxxxxxxxx> wrote: > > Disable the GENI interrupts during console writes to reduce the risk of > having interrupt handlers spinning on the port lock on other cores for > extended periods of time. > > This can, for example, reduce the total amount of time spent in the > interrupt handler during boot of the x1e80100 CRD by up to a factor nine > (e.g. from 274 ms to 30 ms) while the worst case processing time drops > from 19 ms to 8 ms. > > Fixes: c4f528795d1a ("tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP") > Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>