linux-kernel - Re: [PATCH v1 4/4] clk: tegra: Remove CLK_IS

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Date:   Wed, 11 Aug 2021 11:58:46 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Dmitry Osipenko <digetx@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        linux-tegra@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 4/4] clk: tegra: Remove CLK_IS_CRITICAL flag from fuse
 clock

On Tue, Aug 03, 2021 at 01:13:36AM +0300, Dmitry Osipenko wrote:
> FUSE driver now takes care of keeping the clock enabled when necessary.
> Remove the CLK_IS_CRITICAL flag from the clock.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  drivers/clk/tegra/clk-tegra-periph.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)

Mike, Stephen,

I've picked this up into the Tegra tree because it has a runtime
dependency on the patches earlier in this series.

Thierry

> 
> diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
> index 292d6269daf1..4dcf7f7cb8a0 100644
> --- a/drivers/clk/tegra/clk-tegra-periph.c
> +++ b/drivers/clk/tegra/clk-tegra-periph.c
> @@ -777,11 +777,7 @@ static struct tegra_periph_init_data gate_clks[] = {
>  	GATE("ahbdma", "hclk", 33, 0, tegra_clk_ahbdma, 0),
>  	GATE("apbdma", "pclk", 34, 0, tegra_clk_apbdma, 0),
>  	GATE("kbc", "clk_32k", 36, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_kbc, 0),
> -	/*
> -	 * Critical for RAM re-repair operation, which must occur on resume
> -	 * from LP1 system suspend and as part of CCPLEX cluster switching.
> -	 */
> -	GATE("fuse", "clk_m", 39, TEGRA_PERIPH_ON_APB, tegra_clk_fuse, CLK_IS_CRITICAL),
> +	GATE("fuse", "clk_m", 39, TEGRA_PERIPH_ON_APB, tegra_clk_fuse, 0),
>  	GATE("fuse_burn", "clk_m", 39, TEGRA_PERIPH_ON_APB, tegra_clk_fuse_burn, 0),
>  	GATE("kfuse", "clk_m", 40, TEGRA_PERIPH_ON_APB, tegra_clk_kfuse, 0),
>  	GATE("apbif", "clk_m", 107, TEGRA_PERIPH_ON_APB, tegra_clk_apbif, 0),
> -- 
> 2.32.0
> 

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