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From: Sergei Shtylyov <sshtylyov@mvista.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V2 1/2] USB-CDC: correct wrong alignment in ether.c
Date: Sat, 14 Aug 2010 16:23:34 +0400	[thread overview]
Message-ID: <4C668AC6.3000003@mvista.com> (raw)
In-Reply-To: <1281773943-16455-1-git-send-email-sbabic@denx.de>

Hello.

Stefano Babic wrote:

> The buffer for the status request must be word aligned
> because it is accessed with 32 bit pointer in the
> eth_status_complete function.

> Signed-off-by: Stefano Babic <sbabic@denx.de>
[...]
> diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
> index 313f15f..0b4ed18 100644
> --- a/drivers/usb/gadget/ether.c
> +++ b/drivers/usb/gadget/ether.c
> @@ -684,7 +684,7 @@ static struct usb_gadget_strings	stringtab = {
>  
>  /*============================================================================*/
>  static u8 control_req[USB_BUFSIZ];
> -static u8 status_req[STATUS_BYTECOUNT];
> +static u8 status_req[STATUS_BYTECOUNT] __attribute__ ((aligned(32)));

    You're aligning to 32 *bytes* -- is that what you meant by "32 bit pointer"?

WBR, Sergei

  reply	other threads:[~2010-08-14 12:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-14  8:19 [U-Boot] [PATCH V2 1/2] USB-CDC: correct wrong alignment in ether.c Stefano Babic
2010-08-14 12:23 ` Sergei Shtylyov [this message]
2010-08-14 15:44   ` Remy Bohmer
2010-08-15 12:16   ` Stefano Babic
2010-08-14 15:22 ` Remy Bohmer
2010-08-15 12:18 ` [U-Boot] [PATCH V3 " Stefano Babic
2010-08-15 12:19   ` [U-Boot] [PATCH V3 2/2] USB-CDC: called handle_interrupts inside usb_eth_send Stefano Babic
2010-08-15 16:17     ` Remy Bohmer
2010-08-15 16:18   ` [U-Boot] [PATCH V3 1/2] USB-CDC: correct wrong alignment in ether.c Remy Bohmer

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