[PATCH 2/3] ARM: mvebu: fix register length for Armada XP PMSU
Gregory CLEMENT
gregory.clement at free-electrons.com
Mon Dec 23 03:52:52 EST 2013
Hi Thomas, Jason, Sebastian, Andrew,
On 23/12/2013 09:48, Thomas Petazzoni wrote:
> The per-CPU PMSU registers documented in the datasheet start at
> 0x22100 and the last register for CPU3 is at 0x22428. However, the DT
> informations use <0x22100 0x430>, which makes the region end at
> 0x22530 and not 0x22430.
>
> Moreover, looking at the datasheet, we can see that the registers for
> CPU0 start at 0x22100, for CPU1 at 0x22200, for CPU2 at 0x22300 and
> for CPU3 at 0x22400. It seems clear that 0x100 bytes of registers have
> been used per CPU.
>
> Therefore, this commit reduces the length of the PMSU per-CPU register
> area from the incorrect 0x430 bytes to a more logical 0x400 bytes.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
Thanks,
Gregory
> ---
> arch/arm/boot/dts/armada-xp.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
> index 281c644..aa49f17 100644
> --- a/arch/arm/boot/dts/armada-xp.dtsi
> +++ b/arch/arm/boot/dts/armada-xp.dtsi
> @@ -48,7 +48,7 @@
>
> armada-370-xp-pmsu at 22000 {
> compatible = "marvell,armada-370-xp-pmsu";
> - reg = <0x22100 0x430>, <0x20800 0x20>;
> + reg = <0x22100 0x400>, <0x20800 0x20>;
> };
>
> serial at 12200 {
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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