Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v1 1/1] mfd: intel-lpss: Try to enable Memory-Write-Invalidate | Date | Thu, 10 Nov 2016 16:51:42 +0200 |
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Enable MWI mechanism if PCI bus master supports it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/mfd/intel-lpss-pci.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index 50e78db..4756153 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -41,6 +41,7 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev, /* Probably it is enough to set this for iDMA capable devices only */ pci_set_master(pdev); + pci_try_set_mwi(pdev); ret = intel_lpss_probe(&pdev->dev, info); if (ret) -- 2.9.3
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