linux-kernel - RE: [PATCH 03/11] clk: samsung: exynos5250: do not define number of clocks in bindings

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Date:   Thu, 10 Aug 2023 16:52:12 +0530
From:   "Alim Akhtar" <alim.akhtar@...sung.com>
To:     "'Krzysztof Kozlowski'" <krzysztof.kozlowski@...aro.org>,
        "'Sylwester Nawrocki'" <s.nawrocki@...sung.com>,
        "'Tomasz Figa'" <tomasz.figa@...il.com>,
        "'Chanwoo Choi'" <cw00.choi@...sung.com>,
        "'Michael Turquette'" <mturquette@...libre.com>,
        "'Stephen Boyd'" <sboyd@...nel.org>,
        "'Rob Herring'" <robh+dt@...nel.org>,
        "'Conor Dooley'" <conor+dt@...nel.org>,
        <linux-samsung-soc@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: RE: [PATCH 03/11] clk: samsung: exynos5250: do not define number of
 clocks in bindings



> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Tuesday, August 8, 2023 1:58 PM
> To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>; Sylwester
> Nawrocki <s.nawrocki@...sung.com>; Tomasz Figa
> <tomasz.figa@...il.com>; Chanwoo Choi <cw00.choi@...sung.com>; Alim
> Akhtar <alim.akhtar@...sung.com>; Michael Turquette
> <mturquette@...libre.com>; Stephen Boyd <sboyd@...nel.org>; Rob
> Herring <robh+dt@...nel.org>; Conor Dooley <conor+dt@...nel.org>;
> linux-samsung-soc@...r.kernel.org; linux-clk@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; linux-kernel@...r.kernel.org;
> devicetree@...r.kernel.org
> Subject: [PATCH 03/11] clk: samsung: exynos5250: do not define number of
> clocks in bindings
> 
> Number of clocks supported by Linux drivers might vary - sometimes we add
> new clocks, not exposed previously.  Therefore this number of clocks
should
> not be in the bindings, because otherwise we should not change it.
> 
> Define number of clocks per each clock controller inside the driver
directly.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---

Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>

>  drivers/clk/samsung/clk-exynos5250.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/samsung/clk-exynos5250.c
b/drivers/clk/samsung/clk-
> exynos5250.c
> index 92fb09922f28..8ebe6155d8b7 100644
> --- a/drivers/clk/samsung/clk-exynos5250.c
> +++ b/drivers/clk/samsung/clk-exynos5250.c
> @@ -100,6 +100,9 @@
>  #define PWR_CTRL2_CORE2_UP_RATIO		(1 << 4)
>  #define PWR_CTRL2_CORE1_UP_RATIO		(1 << 0)
> 
> +/* NOTE: Must be equal to the last clock ID increased by one */
> +#define CLKS_NR
> 	(CLK_MOUT_VPLLSRC + 1)
> +
>  /* list of PLLs to be registered */
>  enum exynos5250_plls {
>  	apll, mpll, cpll, epll, vpll, gpll, bpll, @@ -797,7 +800,7 @@ static
void
> __init exynos5250_clk_init(struct device_node *np)
>  		panic("%s: unable to determine soc\n", __func__);
>  	}
> 
> -	ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS);
> +	ctx = samsung_clk_init(NULL, reg_base, CLKS_NR);
>  	hws = ctx->clk_data.hws;
> 
>  	samsung_clk_of_register_fixed_ext(ctx,
> exynos5250_fixed_rate_ext_clks,
> --
> 2.34.1