On Mon, Jul 04, 2016 at 09:44:41PM +0530, Pratyush Anand wrote: > Most of the designware PCIe platforms have more than 2 viewports. So, patch > 1/2 allows to fix viewport-2 for IO transaction for such cases. > When we have only two viewports, then patch 2/2 exchange viewport > assignment of memory and cfg transaction. It helps to fix a possibility of > corruption for memory transaction. However, there still exist possibility > of an IO transaction to be corrupted. We can not do much for <=2 viewports. > See, patch log for detail. > > Dong Bo (1): > pcie/designware: Exchange viewport of `MEMORYs' and `CFGs/IOs' > > Pratyush Anand (1): > pcie/designware: Keep viewport fixed for IO transaction if > num_viewport > 2 > > .../devicetree/bindings/pci/designware-pcie.txt | 3 ++ > drivers/pci/host/pcie-designware.c | 32 +++++++++++++++------- > drivers/pci/host/pcie-designware.h | 1 + > 3 files changed, 26 insertions(+), 10 deletions(-) Applied (with Rob's ack on 1/2) to pci/host-designware for v4.9, thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
