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From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v10 10/15] usb: phy-mxs: Add implementation of set_wakeup
Date: Fri, 21 Feb 2014 09:21:27 +0000	[thread overview]
Message-ID: <20140221092127.GC7541@e106331-lin.cambridge.arm.com> (raw)
In-Reply-To: <1392873284-9386-11-git-send-email-peter.chen@freescale.com>

On Thu, Feb 20, 2014 at 05:14:39AM +0000, Peter Chen wrote:
> When we need the PHY can be waken up by external signals,
> we can call this API. Besides, we call mxs_phy_disconnect_line
> at this API to close the connection between USB PHY and
> controller, after that, the line state from controller is SE0.
> Once the PHY is out of power, without calling mxs_phy_disconnect_line,
> there are unknown wakeups due to dp/dm floating at device mode.
> 
> Signed-off-by: Peter Chen <peter.chen@freescale.com>
> ---
>  drivers/usb/phy/phy-mxs-usb.c |  116 +++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 116 insertions(+), 0 deletions(-)

[...]

> +static void mxs_phy_disconnect_line(struct mxs_phy *mxs_phy, bool on)
> +{
> +	bool vbus_is_on = false;
> +
> +	/* If the SoCs don't need to disconnect line without vbus, quit */
> +	if (!(mxs_phy->data->flags & MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS))
> +		return;
> +
> +	/* If the SoCs don't have anatop, quit */
> +	if (!mxs_phy->regmap_anatop)
> +		return;

So it looks like fsl,anatop is truly optional.

Thanks,
Mark.

  reply	other threads:[~2014-02-21  9:21 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-20  5:14 [PATCH v10 00/15] Add power management support for mxs phy Peter Chen
2014-02-20  5:14 ` [PATCH v10 01/15] usb: doc: phy-mxs: Add more compatible strings Peter Chen
2014-02-21  9:13   ` Mark Rutland
2014-02-21  9:40     ` Peter Chen
2014-02-21  9:46       ` Marc Kleine-Budde
2014-02-21  9:05         ` Peter Chen
2014-02-21 12:38       ` Mark Rutland
2014-02-20  5:14 ` [PATCH v10 02/15] usb: phy-mxs: Add platform judgement code Peter Chen
2014-02-20  5:14 ` [PATCH v10 03/15] usb: phy-mxs: Add auto clock and power setting Peter Chen
2014-02-20  5:14 ` [PATCH v10 04/15] usb: doc: phy-mxs: update binding for adding anatop phandle Peter Chen
2014-02-21  9:14   ` Mark Rutland
2014-02-21  8:57     ` Peter Chen
2014-02-20  5:14 ` [PATCH v10 05/15] usb: phy-mxs: Add anatop regmap Peter Chen
2014-02-20  5:14 ` [PATCH v10 06/15] usb: phy-mxs: change description of usb device speed Peter Chen
2014-02-20  5:14 ` [PATCH v10 07/15] usb: phy-mxs: Enable IC fixes for related SoCs Peter Chen
2014-02-20  5:14 ` [PATCH v10 08/15] usb: phy-mxs: add controller id Peter Chen
2014-02-20  5:14 ` [PATCH v10 09/15] usb: phy: Add set_wakeup API Peter Chen
2014-02-20  5:14 ` [PATCH v10 10/15] usb: phy-mxs: Add implementation of set_wakeup Peter Chen
2014-02-21  9:21   ` Mark Rutland [this message]
2014-02-21  9:03     ` Peter Chen
2014-02-20  5:14 ` [PATCH v10 11/15] usb: phy-mxs: Add system suspend/resume API Peter Chen
2014-02-20  5:14 ` [PATCH v10 12/15] usb: phy-mxs: Add sync time after controller clear phcd Peter Chen
2014-02-20  5:14 ` [PATCH v10 13/15] ARM: dts: mxs: add mxs phy controller id Peter Chen
2014-02-20  5:14 ` [PATCH v10 14/15] ARM: dts: imx6: add anatop phandle for usbphy Peter Chen
2014-02-20  5:14 ` [PATCH v10 15/15] ARM: dts: imx6: add mxs phy controller id Peter Chen

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