Commit f1c0f591 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'ave-fixes'



Kunihiko Hayashi says:

====================
fixup AVE ethernet driver

This series adds fixup for AVE ethernet driver that includes increse of
descriptors, replacing macro for linux-next, and adding missing author
information.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 60b54823 d75d0e87
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+7 −0
Original line number Diff line number Diff line
@@ -13885,6 +13885,13 @@ F: drivers/md/raid*
F:	include/linux/raid/
F:	include/uapi/linux/raid/

SOCIONEXT (SNI) AVE NETWORK DRIVER
M:	Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/socionext/sni_ave.c
F:	Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt

SOCIONEXT (SNI) NETSEC NETWORK DRIVER
M:	Jassi Brar <jaswinder.singh@linaro.org>
L:	netdev@vger.kernel.org
+14 −10
Original line number Diff line number Diff line
@@ -185,8 +185,8 @@
				 NETIF_MSG_TX_ERR)

/* Parameter for descriptor */
#define AVE_NR_TXDESC		32	/* Tx descriptor */
#define AVE_NR_RXDESC		64	/* Rx descriptor */
#define AVE_NR_TXDESC		64	/* Tx descriptor */
#define AVE_NR_RXDESC		256	/* Rx descriptor */

#define AVE_DESC_OFS_CMDSTS	0
#define AVE_DESC_OFS_ADDRL	4
@@ -194,6 +194,7 @@

/* Parameter for ethernet frame */
#define AVE_MAX_ETHFRAME	1518
#define AVE_FRAME_HEADROOM	2

/* Parameter for interrupt */
#define AVE_INTM_COUNT		20
@@ -576,12 +577,13 @@ static int ave_rxdesc_prepare(struct net_device *ndev, int entry)

	skb = priv->rx.desc[entry].skbs;
	if (!skb) {
		skb = netdev_alloc_skb_ip_align(ndev,
						AVE_MAX_ETHFRAME);
		skb = netdev_alloc_skb(ndev, AVE_MAX_ETHFRAME);
		if (!skb) {
			netdev_err(ndev, "can't allocate skb for Rx\n");
			return -ENOMEM;
		}
		skb->data += AVE_FRAME_HEADROOM;
		skb->tail += AVE_FRAME_HEADROOM;
	}

	/* set disable to cmdsts */
@@ -594,12 +596,12 @@ static int ave_rxdesc_prepare(struct net_device *ndev, int entry)
	 * - Rx buffer begins with 2 byte headroom, and data will be put from
	 *   (buffer + 2).
	 * To satisfy this, specify the address to put back the buffer
	 * pointer advanced by NET_IP_ALIGN by netdev_alloc_skb_ip_align(),
	 * and expand the map size by NET_IP_ALIGN.
	 * pointer advanced by AVE_FRAME_HEADROOM, and expand the map size
	 * by AVE_FRAME_HEADROOM.
	 */
	ret = ave_dma_map(ndev, &priv->rx.desc[entry],
			  skb->data - NET_IP_ALIGN,
			  AVE_MAX_ETHFRAME + NET_IP_ALIGN,
			  skb->data - AVE_FRAME_HEADROOM,
			  AVE_MAX_ETHFRAME + AVE_FRAME_HEADROOM,
			  DMA_FROM_DEVICE, &paddr);
	if (ret) {
		netdev_err(ndev, "can't map skb for Rx\n");
@@ -1689,9 +1691,10 @@ static int ave_probe(struct platform_device *pdev)
		 pdev->name, pdev->id);

	/* Register as a NAPI supported driver */
	netif_napi_add(ndev, &priv->napi_rx, ave_napi_poll_rx, priv->rx.ndesc);
	netif_napi_add(ndev, &priv->napi_rx, ave_napi_poll_rx,
		       NAPI_POLL_WEIGHT);
	netif_tx_napi_add(ndev, &priv->napi_tx, ave_napi_poll_tx,
			  priv->tx.ndesc);
			  NAPI_POLL_WEIGHT);

	platform_set_drvdata(pdev, ndev);

@@ -1913,5 +1916,6 @@ static struct platform_driver ave_driver = {
};
module_platform_driver(ave_driver);

MODULE_AUTHOR("Kunihiko Hayashi <hayashi.kunihiko@socionext.com>");
MODULE_DESCRIPTION("Socionext UniPhier AVE ethernet driver");
MODULE_LICENSE("GPL v2");