lkml.org 
[lkml]   [2014]   [Feb]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next 16/35] ixgbe: Use pci_enable_msix_range() instead of pci_enable_msix()
Date
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.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: e1000-devel@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
---
drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 16 ++++------------
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.
--
1.7.7.6


\
 
 \ /
  Last update: 2014-02-18 12:01    [W:0.286 / U:0.580 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site