netdev - [PATCH net-next 2/8] net: eth: altera: set rx and tx ring size before init

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Message-Id: <20181115005047.28464-3-dwesterg@gmail.com>
Date:   Wed, 14 Nov 2018 16:50:41 -0800
From:   Dalon Westergreen <dwesterg@...il.com>
To:     netdev@...r.kernel.org, dinguyen@...nel.org,
        thor.thayer@...ux.intel.com
Cc:     Dalon Westergreen <dalon.westergreen@...el.com>
Subject: [PATCH net-next 2/8] net: eth: altera: set rx and tx ring size before init_dma call

From: Dalon Westergreen <dalon.westergreen@...el.com>

It is more appropriate to set the rx and tx ring size before calling
the init function for the dma.

Signed-off-by: Dalon Westergreen <dalon.westergreen@...el.com>
---
 drivers/net/ethernet/altera/altera_tse_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index dcb330129e23..0c0e8f9bba9b 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -1166,6 +1166,10 @@ static int tse_open(struct net_device *dev)
 	int i;
 	unsigned long int flags;
 
+	/* set tx and rx ring size */
+	priv->rx_ring_size = dma_rx_num;
+	priv->tx_ring_size = dma_tx_num;
+
 	/* Reset and configure TSE MAC and probe associated PHY */
 	ret = priv->dmaops->init_dma(priv);
 	if (ret != 0) {
@@ -1208,8 +1212,6 @@ static int tse_open(struct net_device *dev)
 	priv->dmaops->reset_dma(priv);
 
 	/* Create and initialize the TX/RX descriptors chains. */
-	priv->rx_ring_size = dma_rx_num;
-	priv->tx_ring_size = dma_tx_num;
 	ret = alloc_init_skbufs(priv);
 	if (ret) {
 		netdev_err(dev, "DMA descriptors initialization failed\n");
-- 
2.19.1