[U-Boot] [PATCH v1 28/41] net: mvpp2.c: Clear all buffer / descriptor areas before usage

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 sr@denx.de ---

drivers/net/mvpp2.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index bacc9190e1..66e75e2af4 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -4426,6 +4426,9 @@ 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))