Re: [PATCH v3 3/4] ARM: dts: exynos: map 0x10000 SFR instead of 0x100 in DMC Exynos5422
From: Krzysztof Kozlowski
Date: Wed Oct 02 2019 - 13:29:40 EST
On Wed, Oct 02, 2019 at 08:04:54AM +0200, Lukasz Luba wrote:
> There is a need to access registers at address offset near 0x10000.
> These registers are private DMC performance counters, which might be used
> as interrupt trigger when overflow. Potential usage is to skip polling
> in devfreq framework and switch to interrupt managed bandwidth control.
>
> Signed-off-by: Lukasz Luba <l.luba@xxxxxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos5420.dtsi | 2 +-
Thanks, applied but re-ordered with previous one. Applying first
interrupts enables the interrupt mode which does not make sense without
extended mapping
Best regards,
Krzysztof