linux-kernel - Re: [PATCH v6 05/14] ARM: davinci: da850: add con

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Message-ID: <93a3bbb3-2d9f-bc38-c7b4-5eb3325d985d@ti.com>
Date:   Thu, 26 Jan 2017 10:56:34 -0600
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Kevin Hilman <khilman@...nel.org>,
        Sekhar Nori <nsekhar@...com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Tejun Heo <tj@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        David Lechner <david@...hnology.com>
CC:     <linux-ide@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v6 05/14] ARM: davinci: da850: add con_id for the SATA
 clock



On 01/23/2017 11:00 AM, Bartosz Golaszewski wrote:
> The ahci-da850 SATA driver is now capable of retrieving clocks by
> con_id. Add the connection id for the sysclk2-derived SATA clock.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
>  arch/arm/mach-davinci/da850.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
> index 1d873d1..dbf1daa 100644
> --- a/arch/arm/mach-davinci/da850.c
> +++ b/arch/arm/mach-davinci/da850.c
> @@ -571,7 +571,7 @@ static struct clk_lookup da850_clks[] = {
>  	CLK("spi_davinci.0",	NULL,		&spi0_clk),
>  	CLK("spi_davinci.1",	NULL,		&spi1_clk),
>  	CLK("vpif",		NULL,		&vpif_clk),
> -	CLK("ahci_da850",		NULL,		&sata_clk),
> +	CLK("ahci_da850",	"sata",		&sata_clk),

I'm worry a bit - wouldn't this cause future problems with PM runtime
 (if it will be the case)?

If this is functional clock - shouldn't it be "fck" to 
follow PM domain con_id list for davinci?  (arch/arm/mach-davinci/pm_domain.c) 

>  	CLK("davinci-rproc.0",	NULL,		&dsp_clk),
>  	CLK(NULL,		NULL,		&ehrpwm_clk),
>  	CLK("ehrpwm.0",		"fck",		&ehrpwm0_clk),
> 

-- 
regards,
-grygorii