linux-kernel - Re: [PATCH] sh: sh7757: switch RSPI clock to dev ID match

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Message-ID: <52FAC1F3.4050806@renesas.com>
Date:	Wed, 12 Feb 2014 09:36:03 +0900
From:	"Shimoda, Yoshihiro" <yoshihiro.shimoda.uh@...esas.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Linux-sh list <linux-sh@...r.kernel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
Subject: Re: [PATCH] sh: sh7757: switch RSPI clock to dev ID match

Hi Geert-san,

(2014/02/07 21:45), Geert Uytterhoeven wrote:
> On Sun, Jan 12, 2014 at 11:30 AM, Geert Uytterhoeven
> <geert@...ux-m68k.org> wrote:
>> From: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
>>
>> Switch the RSPI MSTP clock on SH7757 from a con ID match to a dev ID
>> match, so we can start looking it up using clk_get() with a NULL ID.
>>
>> Signed-off-by: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
>> ---
>> Untested, as I don't have the hardware, but this is a prerequisite for
>> "spi: rspi: Use NULL as the clock ID".
> 
> Is there anyone who can test this?
> 
> "spi: rspi: Use NULL as the clock ID" is queued for v3.15:
> https://git.kernel.org/cgit/linux/kernel/git/broonie/spi.git/commit/drivers/spi/spi-rspi.c?h=for-next&id=29f397b739ceef90c8b848f6579cbacd088e896e
> and this patch should go in first.
> 
> Thanks!
> 
>>  arch/sh/kernel/cpu/sh4a/clock-sh7757.c |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
>> index e84a43229b9c..5c0e3c335161 100644
>> --- a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
>> +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
>> @@ -132,7 +132,7 @@ static struct clk_lookup lookups[] = {
>>         CLKDEV_CON_ID("usb_fck", &mstp_clks[MSTP103]),
>>         CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[MSTP102]),
>>         CLKDEV_CON_ID("mmc0", &mstp_clks[MSTP220]),
>> -       CLKDEV_CON_ID("rspi2", &mstp_clks[MSTP127]),
>> +       CLKDEV_DEV_ID("rspi.2", &mstp_clks[MSTP127]),
>>  };
>>
>>  int __init arch_clk_init(void)

I could test this patch. And then, the patch worked correctly.

Best regards,
Yoshihiro Shimoda

> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds
> 
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