PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch add capability to set the dma configuration such as dma-mask, dma_pfn_offset, and dma ops etc using the same information from DT. The prior RFCs and discussions are available at [1] and [2] below.
This patch make use of a recent dma API addeded to latest master and I could only compile this as the latest kernel doesn't boot up on Keystone platforms. So I am continue to send RFC version so that this gets a wider review before sending the formal patch. [2] : https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg790244.html [1] : http://www.gossamer-threads.com/lists/linux/kernel/2024591 Change history: v1 - updates based on the comments against initial RFC. - Added a helper function to get the OF node of the parent - Added an API in of_pci.c to update DMA configuration of the pci device. Murali Karicheri (2): of/pci: add of_pci_dma_configure() update dma configuration PCI: update dma configuration from DT drivers/of/of_pci.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++ drivers/pci/probe.c | 2 ++ include/linux/of_pci.h | 12 ++++++++ 3 files changed, 85 insertions(+) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
