Re: [PATCH 3/3] USB: PHY: tegra: Call tegra_usb_phy_close only on device removal

From: Stephen Warren
Date: Tue Jul 01 2014 - 18:21:54 EST


On 07/01/2014 03:08 PM, Tuomas Tynkkynen wrote:
> tegra_usb_phy_close() is supposed to undo the effects of
> tegra_usb_phy_init(). It is also currently added as the USB PHY shutdown
> callback, which is wrong, since tegra_usb_phy_init() is only called
> during probing wheras the shutdown callback can get called multiple
> times. This then leads to warnings about unbalanced regulator_disable if
> the EHCI driver is unbound and bound again at runtime.

The series,
Reviewed-by: Stephen Warren <swarren@xxxxxxxxxx>

> diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c

> -static void tegra_usb_phy_close(struct usb_phy *x)
> +static void tegra_usb_phy_close(struct tegra_usb_phy *phy)

If this function undoes what _init does, it seems it should be called
_fini not _close. But that's bike-shedding perhaps.
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