linux-kernel - Re: [PATCH 3/7] phy: usb: sunxi: Introduce Allwinner A31 USB PHY support

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Date:	Wed, 7 May 2014 19:05:30 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Emilio Lopez <emilio@...pez.com.ar>,
	Mike Turquette <mturquette@...aro.org>,
	<stern@...land.harvard.edu>, <hdegoede@...hat.com>
CC:	Boris Brezillon <boris@...e-electrons.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <kevin.z.m.zh@...il.com>,
	<sunny@...winnertech.com>, <shuge@...winnertech.com>,
	<zhuzhenhua@...winnertech.com>, <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH 3/7] phy: usb: sunxi: Introduce Allwinner A31 USB PHY
 support

Hi,

On Wednesday 07 May 2014 09:20 AM, Maxime Ripard wrote:
> The USB phy controller in the A31 differs mostly from the older controllers
> because it has a clock dedicated for each phy, while the older ones were having
> a single clock for all the phys.
> 
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> ---
>  drivers/phy/phy-sun4i-usb.c | 35 ++++++++++++++++++++++++++---------
>  1 file changed, 26 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
> index e6e6c4ba7145..1d83abe07a29 100644
> --- a/drivers/phy/phy-sun4i-usb.c
> +++ b/drivers/phy/phy-sun4i-usb.c
> @@ -61,16 +61,17 @@
>  #define MAX_PHYS			3
>  
>  struct sun4i_usb_phy_data {
> -	struct clk *clk;
>  	void __iomem *base;
>  	struct mutex mutex;
>  	int num_phys;
>  	u32 disc_thresh;
> +	bool dedicated_clocks;

Don't think we need this structure member as it's been used only in probe.

Thanks
Kishon
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