linux-kernel - Re: [PATCH v3 2/7] clk: bcm283x: add driver interfacing with Raspberry Pi's firmware

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Date:   Tue, 25 Jun 2019 16:00:35 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-kernel@...r.kernel.org, stefan.wahren@...e.com
Cc:     mbrugger@...e.de, viresh.kumar@...aro.org, rjw@...ysocki.net,
        eric@...olt.net, f.fainelli@...il.com,
        bcm-kernel-feedback-list@...adcom.com, ptesarik@...e.com,
        linux-rpi-kernel@...ts.infradead.org, ssuloev@...altech.com,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        mturquette@...libre.com, linux-pm@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Subject: Re: [PATCH v3 2/7] clk: bcm283x: add driver interfacing with Raspberry Pi's firmware

Quoting Nicolas Saenz Julienne (2019-06-11 10:58:36)
> Raspberry Pi's firmware offers an interface though which update it's
> clock's frequencies. This is specially useful in order to change the CPU
> clock (pllb_arm) which is 'owned' by the firmware and we're unable to
> scale using the register interface provided by clk-bcm2835.
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> Acked-by: Eric Anholt <eric@...olt.net>
> ---

Reviewed-by: Stephen Boyd <sboyd@...nel.org>