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[PATCH v2 3/3] spi: pca2xx-pci: Allow MSI

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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>
---
 drivers/spi/spi-pxa2xx-pci.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 58d2d48..58dcadb 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -203,10 +203,16 @@ 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);
-- 
2.1.4

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[PATCH v2 3/3] spi: pca2xx-pci: Allow MSI Jan Kiszka <jan.kiszka@siemens.com> - 2017-01-16 19:50 +0100
  Re: [PATCH v2 3/3] spi: pca2xx-pci: Allow MSI Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-01-16 20:20 +0100
    Re: [PATCH v2 3/3] spi: pca2xx-pci: Allow MSI Jarkko Nikula <jarkko.nikula@linux.intel.com> - 2017-01-17 12:20 +0100
  Applied "spi: pca2xx-pci: Allow MSI" to the spi tree Mark Brown <broonie@kernel.org> - 2017-01-24 19:50 +0100

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