From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mugunthan V N Date: Thu, 12 Nov 2015 15:18:42 +0530 Subject: [U-Boot] [PATCH 1/2] spi: ti_qspi: Add dummy readl for bus sync In-Reply-To: <1447136531-1325-2-git-send-email-vigneshr@ti.com> References: <1447136531-1325-1-git-send-email-vigneshr@ti.com> <1447136531-1325-2-git-send-email-vigneshr@ti.com> Message-ID: <5644607A.50401@ti.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 Tuesday 10 November 2015 11:52 AM, Vignesh R wrote: > Add dummy readl after invalidating cmd field of QSPI_CMD_REG to ensure > bus sync. Without this device's CS is not deactivated reliably leading > to failure to enumerate flash or failure to set quad enable bit on > Macronix flash present on am437x-sk and am437x-idk evms. > > Signed-off-by: Vignesh R > --- Reviewed-by: Mugunthan V N Regards Mugunthan V N