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net: mvneta: zero Tx descriptors on init

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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>
This commit is contained in:
Rabeeh Khoury 2018-06-19 21:36:51 +03:00 • committed by Joe Hershberger
parent 0f8888b763
commit 318b5d76b6
1 changed files with 1 additions and 0 deletions
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drivers/net/mvneta.c
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@ -1708,6 +1708,7 @@ static int mvneta_probe(struct udevice *dev)
buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space; buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space;
size = roundup(MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc), size = roundup(MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc),
ARCH_DMA_MINALIGN); ARCH_DMA_MINALIGN);
memset(buffer_loc.tx_descs, 0, size);
buffer_loc.rx_descs = (struct mvneta_rx_desc *) buffer_loc.rx_descs = (struct mvneta_rx_desc *)
((phys_addr_t)bd_space + size); ((phys_addr_t)bd_space + size);
size += roundup(MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc), size += roundup(MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc),