From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YShP6-0007rN-Mf for barebox@lists.infradead.org; Tue, 03 Mar 2015 07:38:11 +0000 Date: Tue, 3 Mar 2015 08:37:43 +0100 From: Sascha Hauer Message-ID: <20150303073743.GM11010@pengutronix.de> References: <1425286776-5024-1-git-send-email-l.stach@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1425286776-5024-1-git-send-email-l.stach@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH] net: cpsw: prevent stray cache writeback To: Lucas Stach Cc: barebox@lists.infradead.org On Mon, Mar 02, 2015 at 09:59:36AM +0100, Lucas Stach wrote: > The cache should be invalidated when transfering ownership of a buffer > to the device. Otherwise the writeback of dirty cache lines can > corrupt the hardware written data. > > Signed-off-by: Lucas Stach > Tested-by: Jan Weitzel > --- > Sascha, please apply this to master. It fixes a TFTP buffer corruption > issue reported by Jan. Did that. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox