linux-kernel - Re: [PATCH v5 01/44] dt-bindings: clock: Add new bindings for TI Davinci PLL clocks

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Message-ID: <8184c7b5-5f82-5590-9caf-fd038e1d07ac@ti.com>
Date:   Tue, 16 Jan 2018 16:52:53 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     Adam Ford <aford173@...il.com>,
        David Lechner <david@...hnology.com>
CC:     <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...nel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 01/44] dt-bindings: clock: Add new bindings for TI
 Davinci PLL clocks

Hi Adam, David,

On Friday 12 January 2018 03:04 AM, Adam Ford wrote:
> Thanks for clarifying.  I was able to make it work with the following patch:
> 
> diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c
> index 3b4583d..a76b8682 100644
> --- a/drivers/clk/davinci/psc-da850.c
> +++ b/drivers/clk/davinci/psc-da850.c
> @@ -25,7 +25,7 @@ static const struct davinci_psc_clk_info
> da850_psc0_info[] __initconst = {
>         LPSC(9, 0, uart0, pll0_sysclk2, 0),
>         LPSC(13, 0, pruss, pll0_sysclk2, 0),
>         LPSC(14, 0, arm, pll0_sysclk6, LPSC_ALWAYS_ENABLED),
> -       LPSC(15, 1, dsp, pll0_sysclk1, LPSC_FORCE | LPSC_LOCAL_RESET),
> +       LPSC(15, 1, dsp, pll0_sysclk1, LPSC_FORCE | LPSC_LOCAL_RESET |
> LPSC_ALWAYS_ENABLED),

Keeping the DSP clock always enabled was not needed earlier AFAICS, so
this needs to be investigated.

Thanks,
Sekhar