From: Sergei Shtylyov <sshtylyov@mvista.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] USB-CDC: correct wrong alignment in ether.c
Date: Thu, 12 Aug 2010 14:35:07 +0400 [thread overview]
Message-ID: <4C63CE5B.9030707@mvista.com> (raw)
In-Reply-To: <1281562849-6548-1-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.
You don't tell anything here about why the size of the array becomes 16x
with your patch...
> Signed-off-by: Stefano Babic <sbabic@denx.de>
> ---
> drivers/usb/gadget/ether.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
> index 313f15f..9f9b093 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 * 16] __attribute__ ((aligned(32)));
WBR, Sergei
next prev parent reply other threads:[~2010-08-12 10:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-11 21:40 [U-Boot] [PATCH] USB-CDC: correct wrong alignment in ether.c Stefano Babic
2010-08-12 10:35 ` Sergei Shtylyov [this message]
2010-08-12 12:21 ` Stefano Babic
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C63CE5B.9030707@mvista.com \
--to=sshtylyov@mvista.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox