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Message-Id: <aabd5aabbbbc79e5534a9922240c341c153d2156.1396426390.git.agordeev@redhat.com>
Date: Wed, 2 Apr 2014 10:19:57 +0200
From: Alexander Gordeev <agordeev@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Alexander Gordeev <agordeev@...hat.com>, linux-ide@...r.kernel.org
Subject: [PATCH 2/2] ahci: Use pci_enable_msi_exact() instead of pci_enable_msi_range()
The driver calls pci_enable_msi_range() function with the
range of [nvec..nvec] which what pci_enable_msi_exact()
function is for.
Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
Cc: linux-ide@...r.kernel.org
---
drivers/ata/ahci.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 838d97e..01c5541 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1174,7 +1174,7 @@ static int ahci_is_mrsm(struct ahci_host_priv *hpriv)
static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
struct ahci_host_priv *hpriv)
{
- int nvec;
+ int rc, nvec;
if (hpriv->flags & AHCI_HFLAG_NO_MSI)
goto intx;
@@ -1191,10 +1191,10 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
if (nvec < n_ports)
goto single_msi;
- nvec = pci_enable_msi_range(pdev, nvec, nvec);
- if (nvec == -ENOSPC)
+ rc = pci_enable_msi_exact(pdev, nvec);
+ if (rc == -ENOSPC)
goto single_msi;
- else if (nvec < 0)
+ else if (rc < 0)
goto intx;
/*
--
1.7.7.6
--
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