diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-01-09 21:37:38 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-01-13 10:00:58 -0600 |
| commit | e8e8dd6d20fa55ff974460ad742fcbf35b301062 (patch) | |
| tree | b4dcb1aa55010f293bf9cd98d4e11b3209b75aef | |
| parent | dadf17334f3820e2f8c561011706b6fb99bf9860 (diff) | |
| download | linux-e8e8dd6d20fa55ff974460ad742fcbf35b301062.tar.bz2 | |
[media] cobalt: use pci_irq_allocate_vectors()
Simplify the interrupt setup by using the new PCI layer helpers.
Despite using pci_enable_msi_range(), this driver was only requesting a
single MSI vector anyway.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
| -rw-r--r-- | drivers/media/pci/cobalt/cobalt-driver.c | 8 | ||||
| -rw-r--r-- | drivers/media/pci/cobalt/cobalt-driver.h | 2 |
2 files changed, 2 insertions, 8 deletions
diff --git a/drivers/media/pci/cobalt/cobalt-driver.c b/drivers/media/pci/cobalt/cobalt-driver.c index 979634000597..d5c911c09e2b 100644 --- a/drivers/media/pci/cobalt/cobalt-driver.c +++ b/drivers/media/pci/cobalt/cobalt-driver.c @@ -308,9 +308,7 @@ static void cobalt_pci_iounmap(struct cobalt *cobalt, struct pci_dev *pci_dev) static void cobalt_free_msi(struct cobalt *cobalt, struct pci_dev *pci_dev) { free_irq(pci_dev->irq, (void *)cobalt); - - if (cobalt->msi_enabled) - pci_disable_msi(pci_dev); + pci_free_irq_vectors(pci_dev); } static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev, @@ -387,14 +385,12 @@ static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev, from being generated. */ cobalt_set_interrupt(cobalt, false); - if (pci_enable_msi_range(pci_dev, 1, 1) < 1) { + if (pci_alloc_irq_vectors(pci_dev, 1, 1, PCI_IRQ_MSI) < 1) { cobalt_err("Could not enable MSI\n"); - cobalt->msi_enabled = false; ret = -EIO; goto err_release; } msi_config_show(cobalt, pci_dev); - cobalt->msi_enabled = true; /* Register IRQ */ if (request_irq(pci_dev->irq, cobalt_irq_handler, IRQF_SHARED, diff --git a/drivers/media/pci/cobalt/cobalt-driver.h b/drivers/media/pci/cobalt/cobalt-driver.h index ed00dc9d9399..00f773ec359a 100644 --- a/drivers/media/pci/cobalt/cobalt-driver.h +++ b/drivers/media/pci/cobalt/cobalt-driver.h @@ -287,8 +287,6 @@ struct cobalt { u32 irq_none; u32 irq_full_fifo; - bool msi_enabled; - /* omnitek dma */ int dma_channels; int first_fifo_channel; |