From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Stein Date: Mon, 07 Dec 2015 07:35:15 +0100 Subject: [U-Boot] [PATCH 1/1] fsl_qspi: Pet the watchdog while reading/writing In-Reply-To: References: <1446625150-5677-1-git-send-email-alexander.stein@systec-electronic.com> Message-ID: <9354800.gX2YRd6Q1J@ws-stein> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Fabio, On Friday 04 December 2015 18:54:15, Fabio Estevam wrote: > On Wed, Nov 4, 2015 at 6:19 AM, Alexander Stein > wrote: > > When reading a large blob. e.g. a linux kernel (several MiBs) a watchdog > > timeout might occur meanwhile. So pet the watchdog while operating on > > the flash. > > I guess the same problem would occur when you do long file transfers > via TFTP, via USB, via eMMC, right? I didn't notice this problem with TFTP which takes ~3s. I don't have the opportunity to use USB oder eMMC on this hardware. > Shouldn't you fix the watchdog timeout value instead? If I read this > thread correctly you set the watchdog timeout to be 1.5 s, which seems > to be too low. You might be right, but there absolutely no way to change that timeout. It's _fixed_ in hardware. If you can't serve it, you got reset. It's that simple, no matter what. Best regards, Alexander -- Dipl.-Inf. Alexander Stein SYS TEC electronic GmbH alexander.stein at systec-electronic.com Legal and Commercial Address: Am Windrad 2 08468 Heinsdorfergrund Germany Office: +49 (0) 3765 38600-0 Fax: +49 (0) 3765 38600-4100 Managing Directors: Director Technology/CEO: Dipl.-Phys. Siegmar Schmidt; Director Commercial Affairs/COO: Dipl. Ing. (FH) Armin von Collrepp Commercial Registry: Amtsgericht Chemnitz, HRB 28082; USt.-Id Nr. DE150534010