The DMA API requires drivers to call the appropriate dma_set_mask() functions before doing any DMA mapping. Add this required call to the AMBA PL08x driver.
Signed-off-by: Russell King <[email protected]> --- drivers/video/amba-clcd.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 0a2cce7..afe4702 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -10,6 +10,7 @@ * * ARM PrimeCell PL110 Color LCD Controller */ +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -551,6 +552,10 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id) if (!board) return -EINVAL; + ret = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)); + if (ret) + goto out; + ret = amba_request_regions(dev, NULL); if (ret) { printk(KERN_ERR "CLCD: unable to reserve regs region\n"); -- 1.7.4.4 ------------------------------------------------------------------------------ LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/20/13. http://pubads.g.doubleclick.net/gampad/clk?id=58041151&iu=/4140/ostg.clktrk _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
