linux-kernel - Re: [PATCH v8 01/22] USB: ehci-omap: Don't free gpios that we didn't request

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Message-ID: <50F941CB.1080808@ti.com>
Date:	Fri, 18 Jan 2013 14:36:27 +0200
From:	Roger Quadros <rogerq@...com>
To:	Roger Quadros <rogerq@...com>
CC:	<sameo@...ux.intel.com>, <balbi@...com>, <tony@...mide.com>,
	<kishon@...com>, <sshtylyov@...sta.com>, <bjorn@...k.no>,
	<linux@....linux.org.uk>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [PATCH v8 01/22] USB: ehci-omap: Don't free gpios that we didn't
 request

On 01/18/2013 02:17 PM, Roger Quadros wrote:
> This driver does not request any gpios so don't free them.
> Fixes L3 bus error on multiple modprobe/rmmod of ehci_hcd
> with ehci-omap in use.
> 
> Without this patch, EHCI will break on repeated insmod/rmmod
> of ehci_hcd for all OMAP2+ platforms that use EHCI and
> set 'phy_reset = true' in usbhs_omap_board_data.
> i.e.
> 
> board-3430sdp.c:	.phy_reset  = true,
> board-3630sdp.c:	.phy_reset  = true,
> board-am3517crane.c:	.phy_reset  = true,
> board-am3517evm.c:	.phy_reset  = true,
> board-cm-t3517.c:	.phy_reset  = true,
> board-cm-t35.c:	.phy_reset  = true,
> board-devkit8000.c:	.phy_reset  = true,
> board-igep0020.c:	.phy_reset = true,
> board-igep0020.c:	.phy_reset = true,
> board-omap3beagle.c:	.phy_reset  = true,
> board-omap3evm.c:	.phy_reset  = true,
> board-omap3pandora.c:	.phy_reset  = true,
> board-omap3stalker.c:	.phy_reset = true,
> board-omap3touchbook.c:	.phy_reset  = true,
> board-omap4panda.c:	.phy_reset  = false,
> board-overo.c:	.phy_reset  = true,
> board-zoom.c:	.phy_reset		= true,
> 
> CC: Alan Stern <stern@...land.harvard.edu>
> Cc: stable@...nel.org

I messed up with the stable list id, so will resend just this one
and update the git repo.

> 
> Signed-off-by: Roger Quadros <rogerq@...com>
> Reviewed-by: Felipe Balbi <balbi@...com>
> Acked-by: Alan Stern <stern@...land.harvard.edu>

cheers,
-roger

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