linux-kernel - Re: [PATCH 1/5] clk: rockchip: rk3128: Drop CLK_NR

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Date: Wed, 5 Jun 2024 23:03:34 +0200
From: Alex Bee <knaerzche@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: Michael Turquette <mturquette@...libre.com>,
 Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 1/5] clk: rockchip: rk3128: Drop CLK_NR_CLKS usage

Hi,
sorry for the noise - not sure what went wrong here.
Just resend v2:
https://lore.kernel.org/all/20240605210049.232284-1-knaerzche@gmail.com/

Alex
Am 05.06.24 um 22:51 schrieb Alex Bee:
> Similar to
> commit 2dc66a5ab2c6 ("clk: rockchip: rk3588: fix CLK_NR_CLKS usage")
> this drops CLK_NR_CLKS usage from the clock driver and instead uses the
> rockchip_clk_find_max_clk_id helper which was introduced for that purpose.
> 
> Signed-off-by: Alex Bee <knaerzche@...il.com>
> ---
>   drivers/clk/rockchip/clk-rk3128.c | 20 ++++++++++++++++----
>   1 file changed, 16 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/clk/rockchip/clk-rk3128.c b/drivers/clk/rockchip/clk-rk3128.c
> index d076b7971f33..40e0e4556d59 100644
> --- a/drivers/clk/rockchip/clk-rk3128.c
> +++ b/drivers/clk/rockchip/clk-rk3128.c
> @@ -569,18 +569,22 @@ static const char *const rk3128_critical_clocks[] __initconst = {
>   	"sclk_timer5",
>   };
>   
> -static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
> +static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np,
> +								   unsigned long soc_nr_clks)
>   {
>   	struct rockchip_clk_provider *ctx;
> +	unsigned long common_nr_clks;
>   	void __iomem *reg_base;
>   
> +	common_nr_clks = rockchip_clk_find_max_clk_id(common_clk_branches,
> +						      ARRAY_SIZE(common_clk_branches)) + 1;
>   	reg_base = of_iomap(np, 0);
>   	if (!reg_base) {
>   		pr_err("%s: could not map cru region\n", __func__);
>   		return ERR_PTR(-ENOMEM);
>   	}
>   
> -	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
> +	ctx = rockchip_clk_init(np, reg_base, max(common_nr_clks, soc_nr_clks));
>   	if (IS_ERR(ctx)) {
>   		pr_err("%s: rockchip clk init failed\n", __func__);
>   		iounmap(reg_base);
> @@ -609,8 +613,12 @@ static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device
>   static void __init rk3126_clk_init(struct device_node *np)
>   {
>   	struct rockchip_clk_provider *ctx;
> +	unsigned long soc_nr_clks;
>   
> -	ctx = rk3128_common_clk_init(np);
> +	soc_nr_clks = rockchip_clk_find_max_clk_id(rk3126_clk_branches,
> +						   ARRAY_SIZE(rk3126_clk_branches)) + 1;
> +
> +	ctx = rk3128_common_clk_init(np, soc_nr_clks);
>   	if (IS_ERR(ctx))
>   		return;
>   
> @@ -627,8 +635,12 @@ CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
>   static void __init rk3128_clk_init(struct device_node *np)
>   {
>   	struct rockchip_clk_provider *ctx;
> +	unsigned long soc_nr_clks;
> +
> +	soc_nr_clks = rockchip_clk_find_max_clk_id(rk3128_clk_branches,
> +						   ARRAY_SIZE(rk3128_clk_branches)) + 1;
>   
> -	ctx = rk3128_common_clk_init(np);
> +	ctx = rk3128_common_clk_init(np, soc_nr_clks);
>   	if (IS_ERR(ctx))
>   		return;
>