From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Thu, 23 Mar 2017 17:01:54 +0100 Subject: [U-Boot] [PATCH v2 28/45] net: mvpp2.c: Clear all buffer / descriptor areas before usage In-Reply-To: <20170323160211.18072-1-sr@denx.de> References: <20170323160211.18072-1-sr@denx.de> Message-ID: <20170323160211.18072-29-sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de This fixes problems noticed with the PPv2.2 A7k/8k port, when not all elements of the descriptors had been cleared before use. Signed-off-by: Stefan Roese Acked-by: Joe Hershberger --- Changes in v2: - Added Acked-by from Joe drivers/net/mvpp2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index 06909e6a3c..b9e0fdcc82 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -4429,6 +4429,9 @@ static int mvpp2_base_probe(struct udevice *dev) size += RX_BUFFER_SIZE; } + /* Clear the complete area so that all descriptors are cleared */ + memset(bd_space, 0, size); + /* Save base addresses for later use */ priv->base = (void *)dev_get_addr_index(dev, 0); if (IS_ERR(priv->base)) -- 2.12.1