linux-kernel - Re: [PATCH 4/4] usb: phy: samsung: Enable runtime power management on samsung-usb3

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Message-ID: <CAFp+6iHSvJdsT-Bdq2nPWo8L+LFigdrx9=2XEind9H8XC9BCFg@mail.gmail.com>
Date:	Mon, 28 Jan 2013 18:54:42 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	balbi@...com
Cc:	Vivek Gautam <gautam.vivek@...sung.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, gregkh@...uxfoundation.org,
	sarah.a.sharp@...ux.intel.com, kgene.kim@...sung.com,
	dianders@...omium.org, sylvester.nawrocki@...il.com,
	tomasz.figa@...il.com
Subject: Re: [PATCH 4/4] usb: phy: samsung: Enable runtime power management on samsung-usb3

Hi Felipe,


On Mon, Jan 28, 2013 at 6:37 PM, Felipe Balbi <balbi@...com> wrote:
> Hi,
>
> On Mon, Jan 28, 2013 at 06:34:15PM +0530, Vivek Gautam wrote:
>> >> @@ -65,7 +67,22 @@ static u32 samsung_usb3_phy_set_refclk(struct samsung_usbphy *sphy)
>> >>       return reg;
>> >>  }
>> >>
>> >> -static int samsung_exynos5_usb3_phy_enable(struct samsung_usbphy *sphy)
>> >> +/*
>> >> + * Sets the phy clk as ref_pad_clk (XusbXTI) which is clock from external PLL.
>> >> + */
>> >> +static u32 samsung_usb3_phy_set_refclk_ext(void)
>> >> +{
>> >> +     u32 reg;
>> >> +
>> >> +     reg = PHYCLKRST_REFCLKSEL_PAD_REFCLK |
>> >> +             PHYCLKRST_FSEL_PAD_100MHZ |
>> >> +             PHYCLKRST_MPLL_MULTIPLIER_100MHZ_REF;
>> >> +
>> >> +     return reg;
>> >> +}
>> >
>> > I wonder if you really need this small function (likewise for
>> > set_refclk_int()). They don't do much, so you could just inline them on
>> > the only caller.
>> >
>>
>> Created this just to keep symmetry, ;-)
>> will move this in the caller only.
>
> you can have a patch before this series moving the refclk_int() to the
> caller, then you will have symmetry ;-)
>

refclk_int() was rather slightly a big chunk :-(
as available in below patch as samsung_usb3_phy_set_refclk() :
[PATCH v4 2/2] usb: phy: samsung: Add PHY support for USB 3.0 controller
http://www.mail-archive.com/linux-usb@vger.kernel.org/msg13796.html

Will try to figure best possible way and amend.


-- 
Thanks & Regards
Vivek
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