linux-kernel - Re: [PATCH v2] usb: host: tegra: make use of PHY pointer of HCD

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Date:	Thu, 24 Jan 2013 11:28:15 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Venu Byravarasu <vbyravarasu@...dia.com>
cc:	gregkh@...uxfoundation.org, <balbi@...com>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<swarren@...dotorg.org>
Subject: Re: [PATCH v2] usb: host: tegra: make use of PHY pointer of HCD

On Thu, 24 Jan 2013, Venu Byravarasu wrote:

> As pointer to PHY structure can be stored in struct usb_hcd
> making use of it, to call Tegra PHY APIs.
> 
> Call to usb_phy_shutdown() is moved up in tegra_ehci_remove(),
> so that to avoid dereferencing of hcd after its freed up.
> 
> Signed-off-by: Venu Byravarasu <vbyravarasu@...dia.com>
> ---
> First version of patch can be found at
> http://marc.info/?l=linux-kernel&m=135581479020213&w=2. As it was not
> yet applied, sending v2 of the patch.
> 
> delta from v1:
> Modified all Tegra PHY APIs to use standard 'structu usb_phy *' as
> their parameter instead of proprietary parameter of type 'struct tegra_usb_phy *'.

For ehci-tegra.c:

Acked-by: Alan Stern <stern@...land.harvard.edu>

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