linux-kernel - Re: [PATCH v5 10/14] usb: phy: msm: Use reset framework for LINK and PHY resets

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Date:	Wed, 05 Mar 2014 16:34:10 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	"Ivan T. Ivanov" <iivanov@...sol.com>, Felipe Balbi <balbi@...com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v5 10/14] usb: phy: msm: Use reset framework for LINK
 and PHY resets

Hello.

On 05-03-2014 14:13, Ivan T. Ivanov wrote:

> From: "Ivan T. Ivanov" <iivanov@...sol.com>

> Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> ---
>   drivers/usb/phy/phy-msm-usb.c |   30 ++++++++++++++++++++++--------
>   include/linux/usb/msm_hsusb.h |    3 +++
>   2 files changed, 25 insertions(+), 8 deletions(-)

> diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
> index 298820f..7e5c4ab 100644
> --- a/drivers/usb/phy/phy-msm-usb.c
> +++ b/drivers/usb/phy/phy-msm-usb.c
[...]
> @@ -235,12 +236,16 @@ static void ulpi_init(struct msm_otg *motg)
>
>   static int msm_otg_link_clk_reset(struct msm_otg *motg, bool assert)
>   {
> -	int ret = 0;
> +	int ret;
>
> -	if (!motg->pdata->link_clk_reset)
> -		return ret;
> +	if (motg->pdata->link_clk_reset)
> +		ret = motg->pdata->link_clk_reset(motg->clk, assert);
> +	else
> +		if (assert)

    Kernel style assumes:

	else if (assert)

> +			ret = reset_control_assert(motg->link_rst);
> +		else
> +			ret = reset_control_deassert(motg->link_rst);
>
[...]

WBR, Sergei

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