diff options
| author | Alexander Gordeev <agordeev@redhat.com> | 2014-01-29 22:19:43 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-02-14 22:22:41 +0100 |
| commit | fc061d969f9a44bcf200c557a77fe5e5af8ab363 (patch) | |
| tree | 7f219e5a850e59be83eb9c3a9ec298b0986087ef | |
| parent | ahci: Fix broken fallback to single MSI mode (diff) | |
| download | linux-fc061d969f9a44bcf200c557a77fe5e5af8ab363.tar.xz linux-fc061d969f9a44bcf200c557a77fe5e5af8ab363.zip | |
ahci: Use pci_enable_msi_range() instead of pci_enable_msi_block()
pci_enable_msi_block() has been deprecated; use pci_enable_msi_range()
instead.
[bhelgaas: changelog]
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/ata/ahci.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 3c5f35ef7e55..023710905289 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1151,13 +1151,13 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host) static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, struct ahci_host_priv *hpriv) { - int rc, nvec; + int nvec; if (hpriv->flags & AHCI_HFLAG_NO_MSI) goto intx; - rc = pci_msi_vec_count(pdev); - if (rc < 0) + nvec = pci_msi_vec_count(pdev); + if (nvec < 0) goto intx; /* @@ -1165,21 +1165,19 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, * Message mode could be enforced. In this case assume that advantage * of multipe MSIs is negated and use single MSI mode instead. */ - if (rc < n_ports) + if (nvec < n_ports) goto single_msi; - nvec = rc; - rc = pci_enable_msi_block(pdev, nvec); - if (rc < 0) - goto intx; - else if (rc > 0) + nvec = pci_enable_msi_range(pdev, nvec, nvec); + if (nvec == -ENOSPC) goto single_msi; + else if (nvec < 0) + goto intx; return nvec; single_msi: - rc = pci_enable_msi(pdev); - if (rc) + if (pci_enable_msi(pdev)) goto intx; return 1; |