Hi Geert > If the "clock-frequency" DT property is not found, req_rate is used > uninitialized, and the "audio_clkout" clock will be created with an > arbitrary clock rate. > > This uninitialized kernel stack data may leak to userspace through > /sys/kernel/debug/clk/clk_summary, cfr. the value in the "rate" column: > > clock enable_cnt prepare_cnt rate accuracy phase > -------------------------------------------------------------------- > audio_clkout 0 0 4001836240 0 0 > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > --- Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > Should the absence of this property be considered an error? > > Documentation/devicetree/bindings/sound/renesas,rsnd.txt states that > both "#clock-cells" and "clock-frequency" are required properties, but > none of the R-Car Gen1 and Gen2 DTSes seem to have them? This clkout is option for each board will fix _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
