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authorAlexander Gordeev <agordeev@redhat.com>2014-04-21 17:19:31 +0200
committerJens Axboe <axboe@fb.com>2014-04-21 19:02:05 -0600
commit01aad3f0de67281f099e253b404fe08db2814c28 (patch)
treed73d9d148cc33298b4896c46dd0bef2634107b43 /drivers/block/skd_main.c
parent49fd524f95cb4cc699d435e0ebb08b1c6220da6d (diff)
downloadblackbird-op-linux-01aad3f0de67281f099e253b404fe08db2814c28.tar.gz
blackbird-op-linux-01aad3f0de67281f099e253b404fe08db2814c28.zip
skd: Use pci_enable_msix_exact() instead of pci_enable_msix_range()
Function pci_enable_msix_exact() is a variation of pci_enable_msix_range() that allows a device driver to request a particular number of MSI-X interrupts, rather than any number within a specified range. Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: linux-pci@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/skd_main.c')
-rw-r--r--drivers/block/skd_main.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 36bcedfd930c..1dcf9067cffa 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -3944,15 +3944,14 @@ static int skd_acquire_msix(struct skd_device *skdev)
for (i = 0; i < SKD_MAX_MSIX_COUNT; i++)
entries[i].entry = i;
- rc = pci_enable_msix_range(pdev, entries,
- SKD_MIN_MSIX_COUNT, SKD_MAX_MSIX_COUNT);
- if (rc < 0) {
+ rc = pci_enable_msix_exact(pdev, entries, SKD_MAX_MSIX_COUNT);
+ if (rc) {
pr_err("(%s): failed to enable MSI-X %d\n",
skd_name(skdev), rc);
goto msix_out;
}
- skdev->msix_count = rc;
+ skdev->msix_count = SKD_MAX_MSIX_COUNT;
skdev->msix_entries = kzalloc(sizeof(struct skd_msix_entry) *
skdev->msix_count, GFP_KERNEL);
if (!skdev->msix_entries) {
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