linux-kernel - Re: [PATCH] fix ehci alignment error

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Date:	Mon, 10 Oct 2011 11:28:05 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Harro Haan <hrhaan@...il.com>
cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Lennert Buytenhek <kernel@...tstofly.org>,
	Nicolas Pitre <nico@...xnic.net>, <linux-usb@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fix ehci alignment error

On Mon, 10 Oct 2011, Harro Haan wrote:

> The Kirkwood gave an unaligned memory access error on
> line 742 of drivers/usb/host/echi-hcd.c:
> "ehci->last_periodic_enable = ktime_get_real();"
> 
> Signed-off-by: Harro Haan <hrhaan@...il.com>
> ---
>  include/linux/usb/hcd.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
> index 0097136..c0ecc5a 100644
> --- a/include/linux/usb/hcd.h
> +++ b/include/linux/usb/hcd.h
> @@ -178,7 +178,7 @@ struct usb_hcd {
>  	 * this structure.
>  	 */
>  	unsigned long hcd_priv[0]
> -			__attribute__ ((aligned(sizeof(unsigned long))));
> +			__attribute__ ((aligned(sizeof(s64))));
>  };
>  
>  /* 2.4 does this a bit differently ... */

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

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