6 files changed, 25 insertions, 47 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c
index aef1d274a14e..9f0f79d02d3c 100644
--- a/drivers/infiniband/hw/mthca/mthca_allocator.c
+++ b/drivers/infiniband/hw/mthca/mthca_allocator.c
@@ -51,7 +51,7 @@ u32 mthca_alloc(struct mthca_alloc *alloc)
 	}
 
 	if (obj < alloc->max) {
-		set_bit(obj, alloc->table);
+		__set_bit(obj, alloc->table);
 		obj |= alloc->top;
 	} else
 		obj = -1;
@@ -69,7 +69,7 @@ void mthca_free(struct mthca_alloc *alloc, u32 obj)
 
 	spin_lock_irqsave(&alloc->lock, flags);
 
-	clear_bit(obj, alloc->table);
+	__clear_bit(obj, alloc->table);
 	alloc->last = min(alloc->last, obj);
 	alloc->top = (alloc->top + alloc->max) & alloc->mask;
 
@@ -79,8 +79,6 @@ void mthca_free(struct mthca_alloc *alloc, u32 obj)
 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
 		     u32 reserved)
 {
-	int i;
-
 	/* num must be a power of 2 */
 	if (num != 1 << (ffs(num) - 1))
 		return -EINVAL;
@@ -90,21 +88,18 @@ int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
 	alloc->max  = num;
 	alloc->mask = mask;
 	spin_lock_init(&alloc->lock);
-	alloc->table = kmalloc_array(BITS_TO_LONGS(num), sizeof(long),
-				     GFP_KERNEL);
+	alloc->table = bitmap_zalloc(num, GFP_KERNEL);
 	if (!alloc->table)
 		return -ENOMEM;
 
-	bitmap_zero(alloc->table, num);
-	for (i = 0; i < reserved; ++i)
-		set_bit(i, alloc->table);
+	bitmap_set(alloc->table, 0, reserved);
 
 	return 0;
 }
 
 void mthca_alloc_cleanup(struct mthca_alloc *alloc)
 {
-	kfree(alloc->table);
+	bitmap_free(alloc->table);
 }
 
 /*
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index bdf5ed38de22..f330ce895d88 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -1252,7 +1252,7 @@ static void get_board_id(void *vsd, char *board_id)
 
 	if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
 	    be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
-		strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MTHCA_BOARD_ID_LEN);
+		strscpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MTHCA_BOARD_ID_LEN);
 	} else {
 		/*
 		 * The board ID is a string but the firmware byte
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index f507c4cd46d3..b54bc8865dae 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -939,12 +939,8 @@ static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
 
 	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 	if (err) {
-		dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
-		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
-		if (err) {
-			dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
-			goto err_free_res;
-		}
+		dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
+		goto err_free_res;
 	}
 
 	/* We can handle large RDMA requests, so allow larger segments. */
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index ce0e0867e488..192f83fd7c8a 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -101,13 +101,13 @@ static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order)
 	return -1;
 
  found:
-	clear_bit(seg, buddy->bits[o]);
+	__clear_bit(seg, buddy->bits[o]);
 	--buddy->num_free[o];
 
 	while (o > order) {
 		--o;
 		seg <<= 1;
-		set_bit(seg ^ 1, buddy->bits[o]);
+		__set_bit(seg ^ 1, buddy->bits[o]);
 		++buddy->num_free[o];
 	}
 
@@ -125,13 +125,13 @@ static void mthca_buddy_free(struct mthca_buddy *buddy, u32 seg, int order)
 	spin_lock(&buddy->lock);
 
 	while (test_bit(seg ^ 1, buddy->bits[order])) {
-		clear_bit(seg ^ 1, buddy->bits[order]);
+		__clear_bit(seg ^ 1, buddy->bits[order]);
 		--buddy->num_free[order];
 		seg >>= 1;
 		++order;
 	}
 
-	set_bit(seg, buddy->bits[order]);
+	__set_bit(seg, buddy->bits[order]);
 	++buddy->num_free[order];
 
 	spin_unlock(&buddy->lock);
@@ -139,7 +139,7 @@ static void mthca_buddy_free(struct mthca_buddy *buddy, u32 seg, int order)
 
 static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
 {
-	int i, s;
+	int i;
 
 	buddy->max_order = max_order;
 	spin_lock_init(&buddy->lock);
@@ -152,22 +152,20 @@ static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
 		goto err_out;
 
 	for (i = 0; i <= buddy->max_order; ++i) {
-		s = BITS_TO_LONGS(1 << (buddy->max_order - i));
-		buddy->bits[i] = kmalloc_array(s, sizeof(long), GFP_KERNEL);
+		buddy->bits[i] = bitmap_zalloc(1 << (buddy->max_order - i),
+					       GFP_KERNEL);
 		if (!buddy->bits[i])
 			goto err_out_free;
-		bitmap_zero(buddy->bits[i],
-			    1 << (buddy->max_order - i));
 	}
 
-	set_bit(0, buddy->bits[buddy->max_order]);
+	__set_bit(0, buddy->bits[buddy->max_order]);
 	buddy->num_free[buddy->max_order] = 1;
 
 	return 0;
 
 err_out_free:
 	for (i = 0; i <= buddy->max_order; ++i)
-		kfree(buddy->bits[i]);
+		bitmap_free(buddy->bits[i]);
 
 err_out:
 	kfree(buddy->bits);
@@ -181,7 +179,7 @@ static void mthca_buddy_cleanup(struct mthca_buddy *buddy)
 	int i;
 
 	for (i = 0; i <= buddy->max_order; ++i)
-		kfree(buddy->bits[i]);
+		bitmap_free(buddy->bits[i]);
 
 	kfree(buddy->bits);
 	kfree(buddy->num_free);
@@ -469,8 +467,7 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
 	mpt_entry->start     = cpu_to_be64(iova);
 	mpt_entry->length    = cpu_to_be64(total_size);
 
-	memset(&mpt_entry->lkey, 0,
-	       sizeof *mpt_entry - offsetof(struct mthca_mpt_entry, lkey));
+	memset_startat(mpt_entry, 0, lkey);
 
 	if (mr->mtt)
 		mpt_entry->mtt_seg =
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.c b/drivers/infiniband/hw/mthca/mthca_profile.c
index 7ea970774839..69af65f1b332 100644
--- a/drivers/infiniband/hw/mthca/mthca_profile.c
+++ b/drivers/infiniband/hw/mthca/mthca_profile.c
@@ -31,8 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index ceee23ebc0f2..c46df53f26cf 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -50,14 +50,6 @@
 #include <rdma/mthca-abi.h>
 #include "mthca_memfree.h"
 
-static void init_query_mad(struct ib_smp *mad)
-{
-	mad->base_version  = 1;
-	mad->mgmt_class    = IB_MGMT_CLASS_SUBN_LID_ROUTED;
-	mad->class_version = 1;
-	mad->method    	   = IB_MGMT_METHOD_GET;
-}
-
 static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
 			      struct ib_udata *uhw)
 {
@@ -78,7 +70,7 @@ static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *pr
 
 	props->fw_ver              = mdev->fw_ver;
 
-	init_query_mad(in_mad);
+	ib_init_query_mad(in_mad);
 	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
 
 	err = mthca_MAD_IFC(mdev, 1, 1,
@@ -140,7 +132,7 @@ static int mthca_query_port(struct ib_device *ibdev,
 
 	/* props being zeroed by the caller, avoid zeroing it here */
 
-	init_query_mad(in_mad);
+	ib_init_query_mad(in_mad);
 	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
 	in_mad->attr_mod = cpu_to_be32(port);
 
@@ -234,7 +226,7 @@ static int mthca_query_pkey(struct ib_device *ibdev,
 	if (!in_mad || !out_mad)
 		goto out;
 
-	init_query_mad(in_mad);
+	ib_init_query_mad(in_mad);
 	in_mad->attr_id  = IB_SMP_ATTR_PKEY_TABLE;
 	in_mad->attr_mod = cpu_to_be32(index / 32);
 
@@ -263,7 +255,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u32 port,
 	if (!in_mad || !out_mad)
 		goto out;
 
-	init_query_mad(in_mad);
+	ib_init_query_mad(in_mad);
 	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
 	in_mad->attr_mod = cpu_to_be32(port);
 
@@ -274,7 +266,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u32 port,
 
 	memcpy(gid->raw, out_mad->data + 8, 8);
 
-	init_query_mad(in_mad);
+	ib_init_query_mad(in_mad);
 	in_mad->attr_id  = IB_SMP_ATTR_GUID_INFO;
 	in_mad->attr_mod = cpu_to_be32(index / 8);
 
@@ -1006,7 +998,7 @@ static int mthca_init_node_data(struct mthca_dev *dev)
 	if (!in_mad || !out_mad)
 		goto out;
 
-	init_query_mad(in_mad);
+	ib_init_query_mad(in_mad);
 	in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
 
 	err = mthca_MAD_IFC(dev, 1, 1,