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| author |   Jan Kiszka <jan.kiszka@siemens.com> | 2017-01-21 10:06:39 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2017-01-23 18:09:37 +0000 |
| commit | 64e02cb0bdfc7cef0a01e2ad4d567fdc0a74450e (patch) | |
| tree | 41008222675a76a052a5374eb0ce7f994ff0b952 /drivers/spi | |
| parent | spi: pxa2xx: Prepare for edge-triggered interrupts (diff) | |
| download | linux-dev-64e02cb0bdfc7cef0a01e2ad4d567fdc0a74450e.tar.xz linux-dev-64e02cb0bdfc7cef0a01e2ad4d567fdc0a74450e.zip | |
spi: pca2xx-pci: Allow MSI
Now that the core is ready for edge-triggered interrupts, we can safely
allow the PCI versions that provide this to enable the feature and,
thus, have less shared interrupts.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pxa2xx-pci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 868452d8e3e1..869f188b02eb 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -227,10 +227,16 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev, ssp = &spi_pdata.ssp; ssp->phys_base = pci_resource_start(dev, 0); ssp->mmio_base = pcim_iomap_table(dev)[0]; - ssp->irq = dev->irq; ssp->port_id = (c->port_id >= 0) ? c->port_id : dev->devfn; ssp->type = c->type; + pci_set_master(dev); + + ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES); + if (ret < 0) + return ret; + ssp->irq = pci_irq_vector(dev, 0); + snprintf(buf, sizeof(buf), "pxa2xx-spi.%d", ssp->port_id); ssp->clk = clk_register_fixed_rate(&dev->dev, buf , NULL, 0, c->max_clk_rate); |