[U-Boot] [PATCH v2 2/2] net: mvneta: zero Tx descriptors on init

Baruch Siach baruch at tkos.co.il
Tue Jun 19 18:36:51 UTC 2018


From: Rabeeh Khoury <rabeeh at solid-run.com>

Make the initialization sequence consistent with the Linux kernel
driver.

Reviewed-by: Stefan Roese <sr at denx.de>
Acked-by: Joe Hershberger <joe.hershberger at ni.com>
Signed-off-by: Rabeeh Khoury <rabeeh at solid-run.com>
Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
v2: No change
---
 drivers/net/mvneta.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 254dd04697db..ab697b9bc76e 100644
--- 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),
-- 
2.17.1



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