linux-kernel - Re: [PATCH 1/2] clk: mvebu: set flags in CP110 gate clock

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Message-ID: <20160825001340.GP19826@codeaurora.org>
Date:   Wed, 24 Aug 2016 17:13:40 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Marcin Wojtas <mw@...ihalf.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, mturquette@...libre.com,
        sebastian.hesselbarth@...il.com, andrew@...n.ch,
        jason@...edaemon.net, thomas.petazzoni@...e-electrons.com,
        gregory.clement@...e-electrons.com, nadavh@...vell.com,
        alior@...vell.com, tn@...ihalf.com, jaz@...ihalf.com
Subject: Re: [PATCH 1/2] clk: mvebu: set flags in CP110 gate clock

On 08/23, Marcin Wojtas wrote:
> Armada CP110 system controller comprise its own routine responsble
> for registering gate clocks. Among others 'flags' field in
> struct clk_init_data was not set, using a random values, which
> may cause an unpredicted behavior.
> 
> This patch fixes the problem by setting CLK_IS_BASIC flag for
> all gated clocks of Armada 7k/8k SoCs family.
> 
> Fixes: d3da3eaef7f4 ("clk: mvebu: new driver for Armada CP110 system ...")
> 
> Signed-off-by: Marcin Wojtas <mw@...ihalf.com>
> ---
>  drivers/clk/mvebu/cp110-system-controller.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/mvebu/cp110-system-controller.c b/drivers/clk/mvebu/cp110-system-controller.c
> index 7fa42d6..0835e1d 100644
> --- a/drivers/clk/mvebu/cp110-system-controller.c
> +++ b/drivers/clk/mvebu/cp110-system-controller.c
> @@ -144,6 +144,7 @@ static struct clk *cp110_register_gate(const char *name,
>  
>  	init.name = name;
>  	init.ops = &cp110_gate_ops;
> +	init.flags = CLK_IS_BASIC;

Please don't use CLK_IS_BASIC unless you need it (so far only TI
clks seem to want it?). Just set it to 0 if possible.

>  	init.parent_names = &parent_name;
>  	init.num_parents = 1;
>  

-- 
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