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Subject[PATCH v1 1/1] mfd: intel-lpss: Try to enable Memory-Write-Invalidate
Date
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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