linux-kernel - RE: [PATCH 06/11] clk: samsung: exynos5420: do not define number of clocks in bindings

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Date:   Thu, 10 Aug 2023 16:57:30 +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 06/11] clk: samsung: exynos5420: 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 06/11] clk: samsung: exynos5420: 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-exynos5420.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/samsung/clk-exynos5420.c
b/drivers/clk/samsung/clk-
> exynos5420.c
> index 1e0cbf762408..199843f12ae5 100644
> --- a/drivers/clk/samsung/clk-exynos5420.c
> +++ b/drivers/clk/samsung/clk-exynos5420.c
> @@ -139,6 +139,9 @@
>  #define SRC_KFC			0x28200
>  #define DIV_KFC0		0x28500
> 
> +/* NOTE: Must be equal to the last clock ID increased by one */
> +#define CLKS_NR			(CLK_DOUT_PCLK_DREX1 + 1)
> +
>  /* Exynos5x SoC type */
>  enum exynos5x_soc {
>  	EXYNOS5420,
> @@ -1587,7 +1590,7 @@ static void __init exynos5x_clk_init(struct
> device_node *np,
> 
>  	exynos5x_soc = soc;
> 
> -	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,
> exynos5x_fixed_rate_ext_clks,
> --
> 2.34.1