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Subject[PATCH RFC v2 29/29] vmxnet3: Make use of pcim_enable_msix_range() interface
Date
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/vmxnet3/vmxnet3_drv.c | 40 +++++++++---------------------------
1 files changed, 10 insertions(+), 30 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index d33802c..e552d2b 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2735,39 +2735,19 @@ vmxnet3_read_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac)
*/

static int
-vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter,
- int vectors)
+vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter, int vectors)
{
- int err = -EINVAL, vector_threshold;
- vector_threshold = VMXNET3_LINUX_MIN_MSIX_VECT;
-
- while (vectors >= vector_threshold) {
- err = pci_enable_msix(adapter->pdev, adapter->intr.msix_entries,
- vectors);
- if (!err) {
- adapter->intr.num_intrs = vectors;
- return 0;
- } else if (err < 0) {
- dev_err(&adapter->netdev->dev,
- "Failed to enable MSI-X, error: %d\n", err);
- return err;
- } else if (err < vector_threshold) {
- dev_info(&adapter->pdev->dev,
- "Number of MSI-Xs which can be allocated "
- "is lower than min threshold required.\n");
- return -ENOSPC;
- } else {
- /* If fails to enable required number of MSI-x vectors
- * try enabling minimum number of vectors required.
- */
- dev_err(&adapter->netdev->dev,
- "Failed to enable %d MSI-X, trying %d instead\n",
- vectors, vector_threshold);
- vectors = vector_threshold;
- }
+ vectors = pcim_enable_msix_range(adapter->pdev,
+ adapter->intr.msix_entries, vectors,
+ VMXNET3_LINUX_MIN_MSIX_VECT);
+ if (vectors < 0) {
+ dev_err(&adapter->netdev->dev,
+ "Failed to enable MSI-X, error: %d\n", vectors);
+ return vectors;
}

- return err;
+ adapter->intr.num_intrs = vectors;
+ return 0;
}


--
1.7.7.6


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