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From: Mike Turquette <mturquette@linaro.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] clk: shmobile: fix setting paretn clock rate
Date: Mon, 31 Mar 2014 23:13:35 +0000	[thread overview]
Message-ID: <20140331231335.5762.46624@quantum> (raw)
In-Reply-To: <1396288047-6647-1-git-send-email-ben.dooks@codethink.co.uk>

Quoting Ben Dooks (2014-03-31 10:47:27)
> If the driver needs to change a clock rate, then it must be propogated
> through the MSTP clock to the parent clock (such as shdi0 -> sd0). Without
> this we cannot up-rate default clocks which are really slow (such as the
> mmcif1 which defaults to 12MHz where it could be running at 97MHz)
> 
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>

Taken into clk-next.

Regards,
Mike

> ---
>  drivers/clk/shmobile/clk-mstp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/shmobile/clk-mstp.c
> index 7bfdcfc..9fc754b 100644
> --- a/drivers/clk/shmobile/clk-mstp.c
> +++ b/drivers/clk/shmobile/clk-mstp.c
> @@ -139,7 +139,7 @@ cpg_mstp_clock_register(const char *name, const char *parent_name,
>  
>         init.name = name;
>         init.ops = &cpg_mstp_clock_ops;
> -       init.flags = CLK_IS_BASIC;
> +       init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
>         init.parent_names = &parent_name;
>         init.num_parents = 1;
>  
> -- 
> 1.9.0
> 

      reply	other threads:[~2014-03-31 23:13 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-31 17:47 [PATCH] clk: shmobile: fix setting paretn clock rate Ben Dooks
2014-03-31 23:13 ` Mike Turquette [this message]

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