[PATCH 00/10] staging: octeon: Fix several checkpatch issues

[PATCH 00/10] staging: octeon: Fix several checkpatch issues

[Laura Garcia Liebana]

This patchset updates the octeon driver in order to fix several checkpatch issues detected in the source code.

Laura Garcia Liebana (10):
  staging: octeon: Move logical operators on the correct line
  staging: octeon: Fix alignment with open parenthesis
  staging: octeon: Insert blank line after struct declaration
  staging: octeon: Remove comparison to NULL
  staging: octeon: Fix block comments
  staging: octeon: Remove blank lines after open brace
  staging: octeon: Fix lines over 80 characters
  staging: octeon: Use type s32 instead of int32_t
  staging: octeon: Remove multiple blank lines
  staging: octeon: Fix braces in condition statement

 drivers/staging/octeon/ethernet-mdio.c |  2 +-
 drivers/staging/octeon/ethernet-mem.c  |  4 +--
 drivers/staging/octeon/ethernet-rx.c   | 44 ++++++++++-------------
 drivers/staging/octeon/ethernet-rx.h   |  2 +-
 drivers/staging/octeon/ethernet-spi.c  |  2 --
 drivers/staging/octeon/ethernet-tx.c   | 64 ++++++++++++----------------------
 drivers/staging/octeon/ethernet.c      | 38 +++++++++++---------
 7 files changed, 68 insertions(+), 88 deletions(-)

-- 
2.7.0

[PATCH 01/10] staging: octeon: Move logical operators on the correct line

[Laura Garcia Liebana]

Logical continuations should be on the previous line. Checkpatch detected this issue.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-tx.c |  8 ++++----
 drivers/staging/octeon/ethernet.c    | 24 ++++++++++++------------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index e229ebf..94b0e67 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -618,8 +618,8 @@ int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
 		work->word2.s.dec_ipcomp = 0;	/* FIXME */
 #endif
 		work->word2.s.tcp_or_udp =
-		    (ip_hdr(skb)->protocol == IPPROTO_TCP)
-		    || (ip_hdr(skb)->protocol == IPPROTO_UDP);
+		    (ip_hdr(skb)->protocol == IPPROTO_TCP) ||
+		    (ip_hdr(skb)->protocol == IPPROTO_UDP);
 #if 0
 		/* FIXME */
 		work->word2.s.dec_ipsec = 0;
@@ -630,8 +630,8 @@ int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
 		/* No error, packet is internal */
 		work->word2.s.L4_error = 0;
 #endif
-		work->word2.s.is_frag = !((ip_hdr(skb)->frag_off == 0)
-					  || (ip_hdr(skb)->frag_off ==
+		work->word2.s.is_frag = !((ip_hdr(skb)->frag_off == 0) ||
+					  (ip_hdr(skb)->frag_off ==
 					      1 << 14));
 #if 0
 		/* Assume Linux is sending a good packet */
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 00adc52..91f2dd6 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -254,22 +254,22 @@ static int cvm_oct_common_change_mtu(struct net_device *dev, int new_mtu)
 	 * Limit the MTU to make sure the ethernet packets are between
 	 * 64 bytes and 65535 bytes.
 	 */
-	if ((new_mtu + 14 + 4 + vlan_bytes < 64)
-	    || (new_mtu + 14 + 4 + vlan_bytes > 65392)) {
+	if ((new_mtu + 14 + 4 + vlan_bytes < 64) ||
+	    (new_mtu + 14 + 4 + vlan_bytes > 65392)) {
 		pr_err("MTU must be between %d and %d.\n",
 		       64 - 14 - 4 - vlan_bytes, 65392 - 14 - 4 - vlan_bytes);
 		return -EINVAL;
 	}
 	dev->mtu = new_mtu;
 
-	if ((interface < 2)
-	    && (cvmx_helper_interface_get_mode(interface) !=
+	if ((interface < 2) &&
+	    (cvmx_helper_interface_get_mode(interface) !=
 		CVMX_HELPER_INTERFACE_MODE_SPI)) {
 		/* Add ethernet header and FCS, and VLAN if configured. */
 		int max_packet = new_mtu + 14 + 4 + vlan_bytes;
 
-		if (OCTEON_IS_MODEL(OCTEON_CN3XXX)
-		    || OCTEON_IS_MODEL(OCTEON_CN58XX)) {
+		if (OCTEON_IS_MODEL(OCTEON_CN3XXX) ||
+		    OCTEON_IS_MODEL(OCTEON_CN58XX)) {
 			/* Signal errors on packets larger than the MTU */
 			cvmx_write_csr(CVMX_GMXX_RXX_FRM_MAX(index, interface),
 				       max_packet);
@@ -308,8 +308,8 @@ static void cvm_oct_common_set_multicast_list(struct net_device *dev)
 	int interface = INTERFACE(priv->port);
 	int index = INDEX(priv->port);
 
-	if ((interface < 2)
-	    && (cvmx_helper_interface_get_mode(interface) !=
+	if ((interface < 2) &&
+	    (cvmx_helper_interface_get_mode(interface) !=
 		CVMX_HELPER_INTERFACE_MODE_SPI)) {
 		union cvmx_gmxx_rxx_adr_ctl control;
 
@@ -360,8 +360,8 @@ static int cvm_oct_set_mac_filter(struct net_device *dev)
 	int interface = INTERFACE(priv->port);
 	int index = INDEX(priv->port);
 
-	if ((interface < 2)
-	    && (cvmx_helper_interface_get_mode(interface) !=
+	if ((interface < 2) &&
+	    (cvmx_helper_interface_get_mode(interface) !=
 		CVMX_HELPER_INTERFACE_MODE_SPI)) {
 		int i;
 		u8 *ptr = dev->dev_addr;
@@ -434,8 +434,8 @@ int cvm_oct_common_init(struct net_device *dev)
 	 * Force the interface to use the POW send if always_use_pow
 	 * was specified or it is in the pow send list.
 	 */
-	if ((pow_send_group != -1)
-	    && (always_use_pow || strstr(pow_send_list, dev->name)))
+	if ((pow_send_group != -1) &&
+	    (always_use_pow || strstr(pow_send_list, dev->name)))
 		priv->queue = -1;
 
 	if (priv->queue != -1)
-- 
2.7.0

[PATCH 02/10] staging: octeon: Fix alignment with open parenthesis

[Laura Garcia Liebana]

Alignment should match open parenthesis. Checkpatch detected these
issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-rx.c | 7 ++++---
 drivers/staging/octeon/ethernet-rx.h | 2 +-
 drivers/staging/octeon/ethernet-tx.c | 5 +++--
 drivers/staging/octeon/ethernet.c    | 9 +++++----
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index ed55304..c35f4ef 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -182,12 +182,13 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 	if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
 		old_group_mask = cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid));
 		cvmx_write_csr(CVMX_SSO_PPX_GRP_MSK(coreid),
-				1ull << pow_receive_group);
+			       1ull << pow_receive_group);
 		cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid)); /* Flush */
 	} else {
 		old_group_mask = cvmx_read_csr(CVMX_POW_PP_GRP_MSKX(coreid));
 		cvmx_write_csr(CVMX_POW_PP_GRP_MSKX(coreid),
-			(old_group_mask & ~0xFFFFull) | 1 << pow_receive_group);
+			       (old_group_mask & ~0xFFFFull) |
+			       1 << pow_receive_group);
 	}
 
 	if (USE_ASYNC_IOBDMA) {
@@ -381,7 +382,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 			 * doesn't exist.
 			 */
 			printk_ratelimited("Port %d not controlled by Linux, packet dropped\n",
-				   port);
+					   port);
 			dev_kfree_skb_irq(skb);
 		}
 		/*
diff --git a/drivers/staging/octeon/ethernet-rx.h b/drivers/staging/octeon/ethernet-rx.h
index a5973fd..315a63d 100644
--- a/drivers/staging/octeon/ethernet-rx.h
+++ b/drivers/staging/octeon/ethernet-rx.h
@@ -30,7 +30,7 @@ static inline void cvm_oct_rx_refill_pool(int fill_threshold)
 						 number_to_free);
 		if (num_freed != number_to_free) {
 			cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
-					number_to_free - num_freed);
+					      number_to_free - num_freed);
 		}
 	}
 }
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 94b0e67..82e60ae 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -221,7 +221,8 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 					priv->fau + qos * 4, MAX_SKB_TO_FREE);
 			}
 			skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
-							priv->fau + qos * 4);
+								 priv->fau +
+								 qos * 4);
 			spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
 			goto skip_xmit;
 		}
@@ -420,7 +421,7 @@ dont_put_skbuff_in_hw:
 	}
 
 	skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
-						priv->fau + qos * 4);
+						 priv->fau + qos * 4);
 
 	/*
 	 * If we're sending faster than the receive can free them then
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 91f2dd6..8935556 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -139,7 +139,7 @@ static void cvm_oct_periodic_worker(struct work_struct *work)
 
 	if (!atomic_read(&cvm_oct_poll_queue_stopping))
 		queue_delayed_work(cvm_oct_poll_queue,
-						&priv->port_periodic_work, HZ);
+				   &priv->port_periodic_work, HZ);
 }
 
 static void cvm_oct_configure_common_hw(void)
@@ -636,7 +636,7 @@ static struct device_node *cvm_oct_of_get_child(
 }
 
 static struct device_node *cvm_oct_node_for_port(struct device_node *pip,
-							int interface, int port)
+						 int interface, int port)
 {
 	struct device_node *ni, *np;
 
@@ -821,7 +821,7 @@ static int cvm_oct_probe(struct platform_device *pdev)
 				free_netdev(dev);
 			} else if (register_netdev(dev) < 0) {
 				pr_err("Failed to register ethernet device for interface %d, port %d\n",
-					 interface, priv->port);
+				       interface, priv->port);
 				free_netdev(dev);
 			} else {
 				cvm_oct_device[priv->port] = dev;
@@ -829,7 +829,8 @@ static int cvm_oct_probe(struct platform_device *pdev)
 				    cvmx_pko_get_num_queues(priv->port) *
 				    sizeof(u32);
 				queue_delayed_work(cvm_oct_poll_queue,
-						&priv->port_periodic_work, HZ);
+						   &priv->port_periodic_work,
+						   HZ);
 			}
 		}
 	}
-- 
2.7.0

Re: [Outreachy kernel] [PATCH 02/10] staging: octeon: Fix alignment with open parenthesis

[Greg KH]

On Sun, Feb 28, 2016 at 12:42:07AM +0100, Laura Garcia Liebana wrote:
> Alignment should match open parenthesis. Checkpatch detected these
> issues.
> 
> Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>

This patch failed to apply, pleae rebase and resend.

thanks,

greg k-h

[PATCH 03/10] staging: octeon: Insert blank line after struct declaration

[Laura Garcia Liebana]

Blank line is inserted after a struct declaration. Checkpatch detected
these issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 8935556..b49e55a 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -546,6 +546,7 @@ static const struct net_device_ops cvm_oct_npi_netdev_ops = {
 	.ndo_poll_controller	= cvm_oct_poll_controller,
 #endif
 };
+
 static const struct net_device_ops cvm_oct_xaui_netdev_ops = {
 	.ndo_init		= cvm_oct_common_init,
 	.ndo_uninit		= cvm_oct_common_uninit,
@@ -561,6 +562,7 @@ static const struct net_device_ops cvm_oct_xaui_netdev_ops = {
 	.ndo_poll_controller	= cvm_oct_poll_controller,
 #endif
 };
+
 static const struct net_device_ops cvm_oct_sgmii_netdev_ops = {
 	.ndo_init		= cvm_oct_sgmii_init,
 	.ndo_uninit		= cvm_oct_common_uninit,
@@ -576,6 +578,7 @@ static const struct net_device_ops cvm_oct_sgmii_netdev_ops = {
 	.ndo_poll_controller	= cvm_oct_poll_controller,
 #endif
 };
+
 static const struct net_device_ops cvm_oct_spi_netdev_ops = {
 	.ndo_init		= cvm_oct_spi_init,
 	.ndo_uninit		= cvm_oct_spi_uninit,
@@ -589,6 +592,7 @@ static const struct net_device_ops cvm_oct_spi_netdev_ops = {
 	.ndo_poll_controller	= cvm_oct_poll_controller,
 #endif
 };
+
 static const struct net_device_ops cvm_oct_rgmii_netdev_ops = {
 	.ndo_init		= cvm_oct_common_init,
 	.ndo_uninit		= cvm_oct_common_uninit,
@@ -604,6 +608,7 @@ static const struct net_device_ops cvm_oct_rgmii_netdev_ops = {
 	.ndo_poll_controller	= cvm_oct_poll_controller,
 #endif
 };
+
 static const struct net_device_ops cvm_oct_pow_netdev_ops = {
 	.ndo_init		= cvm_oct_common_init,
 	.ndo_start_xmit		= cvm_oct_xmit_pow,
-- 
2.7.0

[PATCH 04/10] staging: octeon: Remove comparison to NULL

[Laura Garcia Liebana]

Comparison to NULL should be avoided in conditions. Chackpatch detected
these issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-mdio.c | 2 +-
 drivers/staging/octeon/ethernet-mem.c  | 4 ++--
 drivers/staging/octeon/ethernet-rx.c   | 6 +++---
 drivers/staging/octeon/ethernet-tx.c   | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c
index 0ac11b1..e13a4ab 100644
--- a/drivers/staging/octeon/ethernet-mdio.c
+++ b/drivers/staging/octeon/ethernet-mdio.c
@@ -196,7 +196,7 @@ int cvm_oct_phy_setup_device(struct net_device *dev)
 	priv->phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0,
 				      PHY_INTERFACE_MODE_GMII);
 
-	if (priv->phydev == NULL)
+	if (!priv->phydev)
 		return -ENODEV;
 
 	priv->last_link = 0;
diff --git a/drivers/staging/octeon/ethernet-mem.c b/drivers/staging/octeon/ethernet-mem.c
index 5a5cdb3..d6172e4 100644
--- a/drivers/staging/octeon/ethernet-mem.c
+++ b/drivers/staging/octeon/ethernet-mem.c
@@ -34,7 +34,7 @@ static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
 	while (freed) {
 		struct sk_buff *skb = dev_alloc_skb(size + 256);
 
-		if (unlikely(skb == NULL))
+		if (unlikely(!skb))
 			break;
 		skb_reserve(skb, 256 - (((unsigned long)skb->data) & 0x7f));
 		*(struct sk_buff **)(skb->data - sizeof(void *)) = skb;
@@ -98,7 +98,7 @@ static int cvm_oct_fill_hw_memory(int pool, int size, int elements)
 		 * just before the block.
 		 */
 		memory = kmalloc(size + 256, GFP_ATOMIC);
-		if (unlikely(memory == NULL)) {
+		if (unlikely(!memory)) {
 			pr_warn("Unable to allocate %u bytes for FPA pool %d\n",
 				elements * size, pool);
 			break;
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index c35f4ef..ee6c5da 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -210,7 +210,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 
 		prefetch(work);
 		did_work_request = 0;
-		if (work == NULL) {
+		if (!work) {
 			if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
 				cvmx_write_csr(CVMX_SSO_WQ_IQ_DIS,
 					       1ull << pow_receive_group);
@@ -417,7 +417,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 	}
 	cvm_oct_rx_refill_pool(0);
 
-	if (rx_count < budget && napi != NULL) {
+	if (rx_count < budget && napi) {
 		/* No more work */
 		napi_complete(napi);
 		enable_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group);
@@ -450,7 +450,7 @@ void cvm_oct_rx_initialize(void)
 		}
 	}
 
-	if (NULL == dev_for_napi)
+	if (!dev_for_napi)
 		panic("No net_devices were allocated.");
 
 	netif_napi_add(dev_for_napi, &cvm_oct_napi, cvm_oct_napi_poll,
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 82e60ae..f1f693b 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -561,7 +561,7 @@ int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
 
 	/* Get a packet buffer */
 	packet_buffer = cvmx_fpa_alloc(CVMX_FPA_PACKET_POOL);
-	if (unlikely(packet_buffer == NULL)) {
+	if (unlikely(!packet_buffer)) {
 		printk_ratelimited("%s: Failed to allocate a packet buffer\n",
 				   dev->name);
 		cvmx_fpa_free(work, CVMX_FPA_WQE_POOL, 1);
-- 
2.7.0

[PATCH 05/10] staging: octeon: Fix block comments

[Laura Garcia Liebana]

Remove commented source code. Checkpatch detected these issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-rx.c | 20 +++++---------------
 drivers/staging/octeon/ethernet-tx.c | 33 ++++++++-------------------------
 2 files changed, 13 insertions(+), 40 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index ee6c5da..a7340cf 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -114,17 +114,11 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
 			}
 
 			if (*ptr == 0xd5) {
-				/*
-				  printk_ratelimited("Port %d received 0xd5 preamble\n",
-					  port);
-				 */
+				/* Port received 0xd5 preamble */
 				work->packet_ptr.s.addr += i + 1;
 				work->word1.len -= i + 5;
 			} else if ((*ptr & 0xf) == 0xd) {
-				/*
-				  printk_ratelimited("Port %d received 0x?d preamble\n",
-					  port);
-				 */
+				/* Port received 0xd preamble */
 				work->packet_ptr.s.addr += i;
 				work->word1.len -= i + 4;
 				for (i = 0; i < work->word1.len; i++) {
@@ -136,9 +130,6 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
 			} else {
 				printk_ratelimited("Port %d unknown preamble, packet dropped\n",
 						   port);
-				/*
-				   cvmx_helper_dump_packet(work);
-				 */
 				cvm_oct_free_work(work);
 				return 1;
 			}
@@ -368,11 +359,10 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 				}
 				netif_receive_skb(skb);
 			} else {
-				/* Drop any packet received for a device that isn't up */
 				/*
-				  printk_ratelimited("%s: Device not up, packet dropped\n",
-					   dev->name);
-				*/
+				 * Drop any packet received for a device that
+				 * isn't up.
+				 */
 				priv->stats.rx_dropped++;
 				dev_kfree_skb_irq(skb);
 			}
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index f1f693b..b093d2e 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -310,55 +310,38 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 #if REUSE_SKBUFFS_WITHOUT_FREE
 	fpa_head = skb->head + 256 - ((unsigned long)skb->head & 0x7f);
 	if (unlikely(skb->data < fpa_head)) {
-		/*
-		 * printk("TX buffer beginning can't meet FPA
-		 * alignment constraints\n");
-		 */
+		/* TX buffer beginning can't meet FPA alignment constraints */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely
 	    ((skb_end_pointer(skb) - fpa_head) < CVMX_FPA_PACKET_POOL_SIZE)) {
-		/*
-		   printk("TX buffer isn't large enough for the FPA\n");
-		 */
+		/* TX buffer isn't large enough for the FPA */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely(skb_shared(skb))) {
-		/*
-		   printk("TX buffer sharing data with someone else\n");
-		 */
+		/* TX buffer sharing data with someone else */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely(skb_cloned(skb))) {
-		/*
-		   printk("TX buffer has been cloned\n");
-		 */
+		/* TX buffer has been cloned */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely(skb_header_cloned(skb))) {
-		/*
-		   printk("TX buffer header has been cloned\n");
-		 */
+		/* TX buffer header has been cloned */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely(skb->destructor)) {
-		/*
-		   printk("TX buffer has a destructor\n");
-		 */
+		/* TX buffer has a destructor */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely(skb_shinfo(skb)->nr_frags)) {
-		/*
-		   printk("TX buffer has fragments\n");
-		 */
+		/* TX buffer has fragments */
 		goto dont_put_skbuff_in_hw;
 	}
 	if (unlikely
 	    (skb->truesize !=
 	     sizeof(*skb) + skb_end_offset(skb))) {
-		/*
-		   printk("TX buffer truesize has been changed\n");
-		 */
+		/* TX buffer truesize has been changed */
 		goto dont_put_skbuff_in_hw;
 	}
 
-- 
2.7.0

[PATCH 06/10] staging: octeon: Remove blank lines after open brace

[Laura Garcia Liebana]

Blank lines are not necessary after an open brace. Checkpatch detected
these issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-rx.c  | 1 -
 drivers/staging/octeon/ethernet-spi.c | 2 --
 drivers/staging/octeon/ethernet-tx.c  | 1 -
 3 files changed, 4 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index a7340cf..31522c2 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -101,7 +101,6 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
 		gmxx_rxx_frm_ctl.u64 =
 		    cvmx_read_csr(CVMX_GMXX_RXX_FRM_CTL(index, interface));
 		if (gmxx_rxx_frm_ctl.s.pre_chk == 0) {
-
 			u8 *ptr =
 			    cvmx_phys_to_ptr(work->packet_ptr.s.addr);
 			int i = 0;
diff --git a/drivers/staging/octeon/ethernet-spi.c b/drivers/staging/octeon/ethernet-spi.c
index 2ae1944..063dcd0 100644
--- a/drivers/staging/octeon/ethernet-spi.c
+++ b/drivers/staging/octeon/ethernet-spi.c
@@ -167,9 +167,7 @@ static void cvm_oct_spi_poll(struct net_device *dev)
 	int interface;
 
 	for (interface = 0; interface < 2; interface++) {
-
 		if ((priv->port == interface * 16) && need_retrain[interface]) {
-
 			if (cvmx_spi_restart_interface
 			    (interface, CVMX_SPI_MODE_DUPLEX, 10) == 0) {
 				need_retrain[interface] = 0;
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index b093d2e..024263d4 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -428,7 +428,6 @@ dont_put_skbuff_in_hw:
 	/* Drop this packet if we have too many already queued to the HW */
 	if (unlikely(skb_queue_len(&priv->tx_free_list[qos]) >=
 		     MAX_OUT_QUEUE_DEPTH)) {
-
 		if (dev->tx_queue_len != 0) {
 			/* Drop the lock when notifying the core.  */
 			spin_unlock_irqrestore(&priv->tx_free_list[qos].lock,
-- 
2.7.0

[PATCH 07/10] staging: octeon: Fix lines over 80 characters

[Laura Garcia Liebana]

The lines should be adjusted to 80 characters. Checkpatch detected these
issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-rx.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 31522c2..a10fe3a 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -216,7 +216,8 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 			}
 			break;
 		}
-		pskb = (struct sk_buff **)(cvm_oct_get_buffer_ptr(work->packet_ptr) -
+		pskb = (struct sk_buff **)
+			(cvm_oct_get_buffer_ptr(work->packet_ptr) -
 			sizeof(void *));
 		prefetch(pskb);
 
@@ -298,7 +299,9 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 
 				while (segments--) {
 					union cvmx_buf_ptr next_ptr =
-					    *(union cvmx_buf_ptr *)cvmx_phys_to_ptr(segment_ptr.s.addr - 8);
+					    *(union cvmx_buf_ptr *)
+					      cvmx_phys_to_ptr(
+					      segment_ptr.s.addr - 8);
 
 			/*
 			 * Octeon Errata PKI-100: The segment size is
@@ -322,7 +325,8 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 						segment_size = len;
 					/* Copy the data into the packet */
 					memcpy(skb_put(skb, segment_size),
-					       cvmx_phys_to_ptr(segment_ptr.s.addr),
+					       cvmx_phys_to_ptr(
+					       segment_ptr.s.addr),
 					       segment_size);
 					len -= segment_size;
 					segment_ptr = next_ptr;
-- 
2.7.0

[PATCH 08/10] staging: octeon: Use type s32 instead of int32_t

[Laura Garcia Liebana]

Prefer the use of type s32 instead of int32_t. Checkpatch detected these
issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-tx.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 024263d4..db04388 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -58,9 +58,9 @@ static DECLARE_TASKLET(cvm_oct_tx_cleanup_tasklet, cvm_oct_tx_do_cleanup, 0);
 /* Maximum number of SKBs to try to free per xmit packet. */
 #define MAX_SKB_TO_FREE (MAX_OUT_QUEUE_DEPTH * 2)
 
-static inline int32_t cvm_oct_adjust_skb_to_free(int32_t skb_to_free, int fau)
+static inline s32 cvm_oct_adjust_skb_to_free(s32 skb_to_free, int fau)
 {
-	int32_t undo;
+	s32 undo;
 
 	undo = skb_to_free > 0 ? MAX_SKB_TO_FREE : skb_to_free +
 						   MAX_SKB_TO_FREE;
@@ -83,7 +83,7 @@ static void cvm_oct_kick_tx_poll_watchdog(void)
 
 static void cvm_oct_free_tx_skbs(struct net_device *dev)
 {
-	int32_t skb_to_free;
+	s32 skb_to_free;
 	int qos, queues_per_port;
 	int total_freed = 0;
 	int total_remaining = 0;
@@ -150,8 +150,8 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 	enum {QUEUE_CORE, QUEUE_HW, QUEUE_DROP} queue_type;
 	struct octeon_ethernet *priv = netdev_priv(dev);
 	struct sk_buff *to_free_list;
-	int32_t skb_to_free;
-	int32_t buffers_to_free;
+	s32 skb_to_free;
+	s32 buffers_to_free;
 	u32 total_to_clean;
 	unsigned long flags;
 #if REUSE_SKBUFFS_WITHOUT_FREE
-- 
2.7.0

Re: [Outreachy kernel] [PATCH 08/10] staging: octeon: Use type s32 instead of int32_t

[Greg KH]

On Sun, Feb 28, 2016 at 12:45:53AM +0100, Laura Garcia Liebana wrote:
> Prefer the use of type s32 instead of int32_t. Checkpatch detected these
> issues.
> 
> Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
> ---
>  drivers/staging/octeon/ethernet-tx.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
> index 024263d4..db04388 100644
> --- a/drivers/staging/octeon/ethernet-tx.c
> +++ b/drivers/staging/octeon/ethernet-tx.c
> @@ -58,9 +58,9 @@ static DECLARE_TASKLET(cvm_oct_tx_cleanup_tasklet, cvm_oct_tx_do_cleanup, 0);
>  /* Maximum number of SKBs to try to free per xmit packet. */
>  #define MAX_SKB_TO_FREE (MAX_OUT_QUEUE_DEPTH * 2)
>  
> -static inline int32_t cvm_oct_adjust_skb_to_free(int32_t skb_to_free, int fau)
> +static inline s32 cvm_oct_adjust_skb_to_free(s32 skb_to_free, int fau)

These really can all be switched to 'int', right?

thanks,

greg k-h

[PATCH 09/10] staging: octeon: Remove multiple blank lines

[Laura Garcia Liebana]

Avoid the use of multiple blank lines. Checkpatch detected these issues.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-tx.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index db04388..313c845 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -99,8 +99,6 @@ static void cvm_oct_free_tx_skbs(struct net_device *dev)
 						       MAX_SKB_TO_FREE);
 		skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
 							 priv->fau + qos * 4);
-
-
 		total_freed += skb_to_free;
 		if (skb_to_free > 0) {
 			struct sk_buff *to_free_list = NULL;
-- 
2.7.0

[PATCH 10/10] staging: octeon: Fix braces in condition statement

[Laura Garcia Liebana]

Braces should be used on all arms of the if statement. Checkpatch
detected this issue.

Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
---
 drivers/staging/octeon/ethernet-tx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 313c845..b106b0c 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -174,8 +174,9 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 			qos = 0;
 		else if (qos >= cvmx_pko_get_num_queues(priv->port))
 			qos = 0;
-	} else
+	} else {
 		qos = 0;
+	}
 
 	if (USE_ASYNC_IOBDMA) {
 		/* Save scratch in case userspace is using it */
-- 
2.7.0