From patchwork Mon Mar 7 16:17:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moritz Fischer X-Patchwork-Id: 593036 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id C843814029E for ; Tue, 8 Mar 2016 03:24:00 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ettus-com.20150623.gappssmtp.com header.i=@ettus-com.20150623.gappssmtp.com header.b=N8gWf7cf; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752962AbcCGQXx (ORCPT ); Mon, 7 Mar 2016 11:23:53 -0500 Received: from mail-oi0-f42.google.com ([209.85.218.42]:35610 "EHLO mail-oi0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752557AbcCGQSC (ORCPT ); Mon, 7 Mar 2016 11:18:02 -0500 Received: by mail-oi0-f42.google.com with SMTP id c203so82602838oia.2 for ; Mon, 07 Mar 2016 08:18:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ettus-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=7XPOzk9iDSqTv+7vFMcHW2Lx0b3BCMmsn05hOMmqx6w=; b=N8gWf7cfVYT9KLHoXRKanZtSX4W71nwIOSGWra5EXrOu9GFKVplistDk0rinNsUfTu lGsSTvS6Dy05VnkjedAZR+P9alplVkGXh7Zo9UGhBu/ejHR5NCM0SrYBrmpWJssUgqUi sH38rtk/VJwxDwYa5NAIA0UN/lWEKnQDezYdEWxzgogwvEVaaDJrgzqt5nzkes38gtcK xAwE1dVtMZDad+K43h6UqEI3cBPQYyeUYWW+V7PyBIyQgkEs3J790g4a+juBrQNC+399 z7QO+ddLLTSDciJgb2ZgXpPWG9FCmI8C3kjlU5H59A6lT5ouNWb/KpJxcnbhsFENK606 BztQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7XPOzk9iDSqTv+7vFMcHW2Lx0b3BCMmsn05hOMmqx6w=; b=ek3H0V/GwqofwreNgJDpvTf8jPAzK3CmZ5JmW/sfr5m8Tj1GL0W/A7hLiqubDfAWrs YtpjQAaRlqjPgFMC3fWFXPI7zCnuDSk0s3Vdyec7ojTPyqTC65WCXUE6UneCifS4FcRH 0AXCITfjnZuzLbC0bN1gef9s8e0JreKxEht8varlUvnJINj0g1yXc09n6Qz+y4JT8fnd YW/ZC6TfTnyBvvGe8ze4ZWhihb/7VaLnhBRZK5pXKIkulNvm09ugv84aIbhQu+wYJixV HlMHE0y97v3eADU3nx63hCJPbRTEOIvEpr004zf5ImRQxr2sE76liEWFDs3K9X2kCNQL ANiQ== X-Gm-Message-State: AD7BkJKBwe+JsNN9g0Qr2ICrbU+SxIgvJE3/7jaURRlmWiKZ4W5R8XPj0gnXgeMuN5K45Htz X-Received: by 10.202.213.85 with SMTP id m82mr14237321oig.102.1457367481094; Mon, 07 Mar 2016 08:18:01 -0800 (PST) Received: from beastybook.amer.corp.natinst.com (c-50-185-0-126.hsd1.ca.comcast.net. [50.185.0.126]) by smtp.gmail.com with ESMTPSA id g62sm1872538oic.14.2016.03.07.08.18.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Mar 2016 08:18:00 -0800 (PST) From: Moritz Fischer To: nicolas.ferre@atmel.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Moritz Fischer Subject: [PATCH 3/3] net: macb: Address checkpatch 'check' suggestions Date: Mon, 7 Mar 2016 08:17:39 -0800 Message-Id: <1457367460-9123-4-git-send-email-moritz.fischer@ettus.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1457367460-9123-1-git-send-email-moritz.fischer@ettus.com> References: <1457367460-9123-1-git-send-email-moritz.fischer@ettus.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This commit deals with a bunch of checkpatch suggestions that without changing behavior make checkpatch happier. Signed-off-by: Moritz Fischer --- drivers/net/ethernet/cadence/macb.c | 46 +++++++++++++++++++------------------ 1 file changed, 24 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index fba4239..75c19a2 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -184,7 +184,7 @@ static void macb_get_hwaddr(struct macb *bp) pdata = dev_get_platdata(&bp->pdev->dev); - /* Check all 4 address register for vaild address */ + /* Check all 4 address register for valid address */ for (i = 0; i < 4; i++) { bottom = macb_or_gem_readl(bp, SA1B + i * 8); top = macb_or_gem_readl(bp, SA1T + i * 8); @@ -292,7 +292,7 @@ static void macb_set_tx_clk(struct clk *clk, int speed, struct net_device *dev) ferr = DIV_ROUND_UP(ferr, rate / 100000); if (ferr > 5) netdev_warn(dev, "unable to generate target frequency: %ld Hz\n", - rate); + rate); if (clk_set_rate(clk, rate_rounded)) netdev_err(dev, "adjusting tx_clk failed.\n"); @@ -426,7 +426,7 @@ static int macb_mii_init(struct macb *bp) macb_writel(bp, NCR, MACB_BIT(MPE)); bp->mii_bus = mdiobus_alloc(); - if (bp->mii_bus == NULL) { + if (!bp->mii_bus) { err = -ENOMEM; goto err_out; } @@ -435,7 +435,7 @@ static int macb_mii_init(struct macb *bp) bp->mii_bus->read = &macb_mdio_read; bp->mii_bus->write = &macb_mdio_write; snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - bp->pdev->name, bp->pdev->id); + bp->pdev->name, bp->pdev->id); bp->mii_bus->priv = bp; bp->mii_bus->parent = &bp->dev->dev; pdata = dev_get_platdata(&bp->pdev->dev); @@ -656,7 +656,7 @@ static void macb_tx_interrupt(struct macb_queue *queue) queue_writel(queue, ISR, MACB_BIT(TCOMP)); netdev_vdbg(bp->dev, "macb_tx_interrupt status = 0x%03lx\n", - (unsigned long)status); + (unsigned long)status); head = queue->tx_head; for (tail = queue->tx_tail; tail != head; tail++) { @@ -725,10 +725,10 @@ static void gem_rx_refill(struct macb *bp) bp->rx_prepared_head++; - if (bp->rx_skbuff[entry] == NULL) { + if (!bp->rx_skbuff[entry]) { /* allocate sk_buff for this free entry in ring */ skb = netdev_alloc_skb(bp->dev, bp->rx_buffer_size); - if (unlikely(skb == NULL)) { + if (unlikely(!skb)) { netdev_err(bp->dev, "Unable to allocate sk_buff\n"); break; @@ -762,7 +762,7 @@ static void gem_rx_refill(struct macb *bp) wmb(); netdev_vdbg(bp->dev, "rx ring: prepared head %d, tail %d\n", - bp->rx_prepared_head, bp->rx_tail); + bp->rx_prepared_head, bp->rx_tail); } /* Mark DMA descriptors from begin up to and not including end as unused */ @@ -876,8 +876,8 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag, len = desc->ctrl & bp->rx_frm_len_mask; netdev_vdbg(bp->dev, "macb_rx_frame frags %u - %u (len %u)\n", - macb_rx_ring_wrap(first_frag), - macb_rx_ring_wrap(last_frag), len); + macb_rx_ring_wrap(first_frag), + macb_rx_ring_wrap(last_frag), len); /* The ethernet header starts NET_IP_ALIGN bytes into the * first buffer. Since the header is 14 bytes, this makes the @@ -916,7 +916,8 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag, frag_len = len - offset; } skb_copy_to_linear_data_offset(skb, offset, - macb_rx_buffer(bp, frag), frag_len); + macb_rx_buffer(bp, frag), + frag_len); offset += bp->rx_buffer_size; desc = macb_rx_desc(bp, frag); desc->addr &= ~MACB_BIT(RX_USED); @@ -934,7 +935,7 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag, bp->stats.rx_packets++; bp->stats.rx_bytes += skb->len; netdev_vdbg(bp->dev, "received skb of length %u, csum: %08x\n", - skb->len, skb->csum); + skb->len, skb->csum); netif_receive_skb(skb); return 0; @@ -998,7 +999,7 @@ static int macb_poll(struct napi_struct *napi, int budget) work_done = 0; netdev_vdbg(bp->dev, "poll: status = %08lx, budget = %d\n", - (unsigned long)status, budget); + (unsigned long)status, budget); work_done = bp->macbgem_ops.mog_rx(bp, budget); if (work_done < budget) { @@ -1213,7 +1214,7 @@ static unsigned int macb_tx_map(struct macb *bp, } /* Should never happen */ - if (unlikely(tx_skb == NULL)) { + if (unlikely(!tx_skb)) { netdev_err(bp->dev, "BUG! empty skb!\n"); return 0; } @@ -1283,16 +1284,16 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) #if defined(DEBUG) && defined(VERBOSE_DEBUG) netdev_vdbg(bp->dev, - "start_xmit: queue %hu len %u head %p data %p tail %p end %p\n", - queue_index, skb->len, skb->head, skb->data, - skb_tail_pointer(skb), skb_end_pointer(skb)); + "start_xmit: queue %hu len %u head %p data %p tail %p end %p\n", + queue_index, skb->len, skb->head, skb->data, + skb_tail_pointer(skb), skb_end_pointer(skb)); print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_OFFSET, 16, 1, skb->data, 16, true); #endif /* Count how many TX buffer descriptors are needed to send this * socket buffer: skb fragments of jumbo frames may need to be - * splitted into many buffer descriptors. + * split into many buffer descriptors. */ count = DIV_ROUND_UP(skb_headlen(skb), bp->max_tx_length); nr_frags = skb_shinfo(skb)->nr_frags; @@ -1343,8 +1344,8 @@ static void macb_init_rx_buffer_size(struct macb *bp, size_t size) if (bp->rx_buffer_size % RX_BUFFER_MULTIPLE) { netdev_dbg(bp->dev, - "RX buffer must be multiple of %d bytes, expanding\n", - RX_BUFFER_MULTIPLE); + "RX buffer must be multiple of %d bytes, expanding\n", + RX_BUFFER_MULTIPLE); bp->rx_buffer_size = roundup(bp->rx_buffer_size, RX_BUFFER_MULTIPLE); } @@ -1367,7 +1368,7 @@ static void gem_free_rx_buffers(struct macb *bp) for (i = 0; i < RX_RING_SIZE; i++) { skb = bp->rx_skbuff[i]; - if (skb == NULL) + if (!skb) continue; desc = &bp->rx_ring[i]; @@ -1775,7 +1776,8 @@ static void macb_sethashtable(struct net_device *dev) unsigned int bitnr; struct macb *bp = netdev_priv(dev); - mc_filter[0] = mc_filter[1] = 0; + mc_filter[0] = 0; + mc_filter[1] = 0; netdev_for_each_mc_addr(ha, dev) { bitnr = hash_get_index(ha->addr);