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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 14:50:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 14:50:12 -0700
commitece236ce2fad9c27a6fd2530f899289025194bce (patch)
tree474b793205872206a2a3f7d409ff9b1f81f3a9a8 /drivers/infiniband/hw/mthca/mthca_srq.c
parent441c196e84b11aad3123baa9320eee7abc6b5c98 (diff)
parent4460207561290c3be7e6c7538f22690028170c1d (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (26 commits) IB/qib: Defer HCA error events to tasklet mlx4_core: Bump the driver version to 1.0 RDMA/cxgb4: Use printk_ratelimited() instead of printk_ratelimit() IB/mlx4: Support PMA counters for IBoE IB/mlx4: Use flow counters on IBoE ports IB/pma: Add include file for IBA performance counters definitions mlx4_core: Add network flow counters mlx4_core: Fix location of counter index in QP context struct mlx4_core: Read extended capabilities into the flags field mlx4_core: Extend capability flags to 64 bits IB/mlx4: Generate GID change events in IBoE code IB/core: Add GID change event RDMA/cma: Don't allow IPoIB port space for IBoE RDMA: Allow for NULL .modify_device() and .modify_port() methods IB/qib: Update active link width IB/qib: Fix potential deadlock with link down interrupt IB/qib: Add sysfs interface to read free contexts IB/mthca: Remove unnecessary read of PCI_CAP_ID_EXP IB/qib: Remove double define IB/qib: Remove unnecessary read of PCI_CAP_ID_EXP ...
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_srq.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c33
1 files changed, 7 insertions, 26 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index 4fabe62aab8a..d22f970480c0 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -200,7 +200,6 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
struct ib_srq_attr *attr, struct mthca_srq *srq)
{
struct mthca_mailbox *mailbox;
- u8 status;
int ds;
int err;
@@ -266,18 +265,12 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
else
mthca_tavor_init_srq_context(dev, pd, srq, mailbox->buf);
- err = mthca_SW2HW_SRQ(dev, mailbox, srq->srqn, &status);
+ err = mthca_SW2HW_SRQ(dev, mailbox, srq->srqn);
if (err) {
mthca_warn(dev, "SW2HW_SRQ failed (%d)\n", err);
goto err_out_free_buf;
}
- if (status) {
- mthca_warn(dev, "SW2HW_SRQ returned status 0x%02x\n",
- status);
- err = -EINVAL;
- goto err_out_free_buf;
- }
spin_lock_irq(&dev->srq_table.lock);
if (mthca_array_set(&dev->srq_table.srq,
@@ -299,11 +292,9 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
return 0;
err_out_free_srq:
- err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn, &status);
+ err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn);
if (err)
mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err);
- else if (status)
- mthca_warn(dev, "HW2SW_SRQ returned status 0x%02x\n", status);
err_out_free_buf:
if (!pd->ibpd.uobject)
@@ -340,7 +331,6 @@ void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)
{
struct mthca_mailbox *mailbox;
int err;
- u8 status;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox)) {
@@ -348,11 +338,9 @@ void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)
return;
}
- err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn, &status);
+ err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn);
if (err)
mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err);
- else if (status)
- mthca_warn(dev, "HW2SW_SRQ returned status 0x%02x\n", status);
spin_lock_irq(&dev->srq_table.lock);
mthca_array_clear(&dev->srq_table.srq,
@@ -378,8 +366,7 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
{
struct mthca_dev *dev = to_mdev(ibsrq->device);
struct mthca_srq *srq = to_msrq(ibsrq);
- int ret;
- u8 status;
+ int ret = 0;
/* We don't support resizing SRQs (yet?) */
if (attr_mask & IB_SRQ_MAX_WR)
@@ -391,16 +378,11 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
return -EINVAL;
mutex_lock(&srq->mutex);
- ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status);
+ ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit);
mutex_unlock(&srq->mutex);
-
- if (ret)
- return ret;
- if (status)
- return -EINVAL;
}
- return 0;
+ return ret;
}
int mthca_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
@@ -410,14 +392,13 @@ int mthca_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
struct mthca_mailbox *mailbox;
struct mthca_arbel_srq_context *arbel_ctx;
struct mthca_tavor_srq_context *tavor_ctx;
- u8 status;
int err;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
- err = mthca_QUERY_SRQ(dev, srq->srqn, mailbox, &status);
+ err = mthca_QUERY_SRQ(dev, srq->srqn, mailbox);
if (err)
goto out;