net: mvneta: zero Tx descriptors on init

Make the initialization sequence consistent with the Linux kernel
driver.

Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>

diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 254dd04697dbc8668e1dc031c1957f061c92dd75..ab697b9bc76ef5876dfa56da534aa92729f952a7 100644 (file)
--- a/drivers/net/mvneta.c
+++ b/drivers/net/mvneta.c
@@ -1708,6 +1708,7 @@ static int mvneta_probe(struct udevice *dev)
                buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space;
                size = roundup(MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc),
                                ARCH_DMA_MINALIGN);
+               memset(buffer_loc.tx_descs, 0, size);
                buffer_loc.rx_descs = (struct mvneta_rx_desc *)
                        ((phys_addr_t)bd_space + size);
                size += roundup(MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc),