On Fri, Feb 05, 2016 at 11:03:36AM +0100, Dirk Behme wrote: > On 05.02.2016 10:54, Simon Horman wrote: > >[CC shiny new linux-renesas-soc ML] > > > Yes, thanks. I've to learn and remember this, too :) > > > >On Wed, Feb 03, 2016 at 06:20:52PM +0100, Dirk Behme wrote: > >>On 16.01.2016 15:13, Dirk Behme wrote: > >>>Instead of using the generic armv8-pmuv3 compatibility use the more > >>>specific Cortex A57 compatibility. > >>> > >>>Signed-off-by: Dirk Behme <dirk.behme@xxxxxxxxx> > >>>--- > >>>Changes in v2: Drop the not yet merged Cortex A53 part. > >>> > >>> arch/arm64/boot/dts/renesas/r8a7795.dtsi | 4 ++-- > >>> 1 file changed, 2 insertions(+), 2 deletions(-) > >>> > >>>diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi > >>>index 266c5de..a82bce8 100644 > >>>--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi > >>>+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi > >>>@@ -247,8 +247,8 @@ > >>> power-domains = <&cpg>; > >>> }; > >>> > >>>- pmu { > >>>- compatible = "arm,armv8-pmuv3"; > >>>+ pmu_a57 { > >>>+ compatible = "arm,cortex-a57-pmu"; > >>> interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>, > >>> <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>, > >>> <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>, > >>> > >> > >> > >>Any further comments to this? If not, could this be applied? > > > >Hi Dirk, > > > >I apologise for loosing track of this one. > > > >Does this change work? I saw some discussion about using arm,cortex-a57-pmu > >not working correctly on the r8a7795 in an earlier thread. > > Yes, the A57 PMU probe is successful. > > What's not working with the latest Renesas BSP is the A53, because these > cores are disabled in the firmware coming with that BSP. But that's not a > PMU issue, it's just because the cores are disabled. Using an older BSP > firmware enabling all cores makes the A53 PMU probe fine, too. Thanks for the explanation. I have queued up this patch. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html