diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2019-02-17 21:59:33 +0100 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2019-02-17 21:59:33 +0100 |
commit | 8fab3d713ca36bf4ad4dadec0bf38f5e70b8999d (patch) | |
tree | 18cdadced0870584ceffa02eed47f4c86da8263c /drivers/pci/msi.c | |
parent | 760a160e8b899f5ebcab99da17feebbe40ec42f1 (diff) | |
parent | 68b7587baabfa42ca5625b709691358fee51b9d8 (diff) |
Merge tag 'gpio-v5.1-updates-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel
gpio updates for v5.1
- support for a new variant of pca953x
- documentation fix from Wolfram
- some tegra186 name changes
- two minor fixes for madera and altera-a10sr
Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r-- | drivers/pci/msi.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 7a1c8a09efa5..4c0b47867258 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1168,7 +1168,8 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, const struct irq_affinity *affd) { static const struct irq_affinity msi_default_affd; - int vecs = -ENOSPC; + int msix_vecs = -ENOSPC; + int msi_vecs = -ENOSPC; if (flags & PCI_IRQ_AFFINITY) { if (!affd) @@ -1179,16 +1180,17 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, } if (flags & PCI_IRQ_MSIX) { - vecs = __pci_enable_msix_range(dev, NULL, min_vecs, max_vecs, - affd); - if (vecs > 0) - return vecs; + msix_vecs = __pci_enable_msix_range(dev, NULL, min_vecs, + max_vecs, affd); + if (msix_vecs > 0) + return msix_vecs; } if (flags & PCI_IRQ_MSI) { - vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, affd); - if (vecs > 0) - return vecs; + msi_vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, + affd); + if (msi_vecs > 0) + return msi_vecs; } /* use legacy irq if allowed */ @@ -1199,7 +1201,9 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, } } - return vecs; + if (msix_vecs == -ENOSPC) + return -ENOSPC; + return msi_vecs; } EXPORT_SYMBOL(pci_alloc_irq_vectors_affinity); |