redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

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>
zero-colors
Jan Kiszka 2017-01-21 10:06:39 +01:00 committed by Mark Brown
parent e51e9b9304
commit 64e02cb0bd
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/spi/spi-pxa2xx-pci.c
View File

@ -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);