From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Fri, 30 Oct 2015 09:21:39 -0700 Subject: [U-Boot] [PATCH] arm: ls1021atwr: optimize the deep sleep latency In-Reply-To: <1443081122-3563-1-git-send-email-Yuantian.Tang@freescale.com> References: <1443081122-3563-1-git-send-email-Yuantian.Tang@freescale.com> Message-ID: <56339913.80102@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 09/24/2015 12:52 AM, Tang Yuantian wrote: > It will take more than 1s when wake up from deep sleep. Most of the > time is spent on outputing information. This patch reduced the deep > sleep latency by: > 1. avoid outputing system informaton > 2. remove flush cache after DDR restore > 3. skip reloading second stage uboot binary when SD boot > > Signed-off-by: Tang Yuantian > --- Applied to u-boot-fsl-qoriq. Awaiting upstream. Thanks. York