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authorDavid S. Miller <davem@davemloft.net>2014-02-18 15:34:14 -0500
committerDavid S. Miller <davem@davemloft.net>2014-02-18 15:34:14 -0500
commit9fa9e49829fc4628ffb3c1d613f6e52bcbf59480 (patch)
tree7a327919da5e6d2a968b41d197d966ee92896ca0 /drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
parent81206ebcbb7c3656b8d2ece3e49e444d9ff646c3 (diff)
parentb4b39061da4d28c15341378e615948936e6d148f (diff)
downloadop-kernel-dev-9fa9e49829fc4628ffb3c1d613f6e52bcbf59480.zip
op-kernel-dev-9fa9e49829fc4628ffb3c1d613f6e52bcbf59480.tar.gz
Merge branch 'msix'
Alexander Gordeev says: ==================== net: Use pci_enable_msix_range() instead of pci_enable_msix() As result of deprecation of MSI-X/MSI enablement functions pci_enable_msix() and pci_enable_msi_block() all drivers using these two interfaces need to be updated to use the new pci_enable_msi_range() and pci_enable_msix_range() interfaces. Cc: e1000-devel@lists.sourceforge.net Cc: linux-driver@qlogic.com Cc: linux-net-drivers@solarflare.com Cc: linux-pci@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: netdev@vger.kernel.org Cc: pv-drivers@vmware.com Cc: wil6210@qca.qualcomm.com ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index 32e3eaa..0834e1e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -698,7 +698,7 @@ static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter,
int vectors)
{
- int err, vector_threshold;
+ int vector_threshold;
/* We'll want at least 2 (vector_threshold):
* 1) TxQ[0] + RxQ[0] handler
@@ -712,18 +712,10 @@ static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter,
* Right now, we simply care about how many we'll get; we'll
* set them up later while requesting irq's.
*/
- while (vectors >= vector_threshold) {
- err = pci_enable_msix(adapter->pdev, adapter->msix_entries,
- vectors);
- if (!err) /* Success in acquiring all requested vectors. */
- break;
- else if (err < 0)
- vectors = 0; /* Nasty failure, quit now */
- else /* err == number of vectors we should try again with */
- vectors = err;
- }
+ vectors = pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
+ vector_threshold, vectors);
- if (vectors < vector_threshold) {
+ if (vectors < 0) {
/* Can't allocate enough MSI-X interrupts? Oh well.
* This just means we'll go with either a single MSI
* vector or fall back to legacy interrupts.
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