[RFC,PATCH] powerpc/powernv: Add iommu DMA bypass support for IODA2

2013-11-23 Thread Benjamin Herrenschmidt
This patch adds the support for to create a direct iommu bypass window on IODA2 bridges (such as Power8) allowing to bypass iommu page translation completely for 64-bit DMA capable devices. This is currently enabled unconditionally for any 64-bit device, we *may* want to make it conditional to a

Re: [PATCH v2] offb: make the screen properties endian safe

2013-11-23 Thread Cedric Le Goater
On 11/21/2013 08:57 PM, Benjamin Herrenschmidt wrote: On Thu, 2013-11-21 at 16:45 +0100, Cedric Le Goater wrote: - fbdev *generally* assume native endian framebuffer, but of course under qemu today, the adapter will use a big endian frame buffer aperture. You can compile in support for

Re: [PATCH v2] offb: make the screen properties endian safe

2013-11-23 Thread Benjamin Herrenschmidt
On Sat, 2013-11-23 at 18:38 +0100, Cedric Le Goater wrote: So, 32bpp works but 16 is broken ... I guess my palette fix is just a lucky hack and I need to dig deeper in fb code to have a better understanding of the color map. I should have provided you two patches in the first place. Do you

Re: eth0: hw csum failure

2013-11-23 Thread Benjamin Herrenschmidt
On Sat, 2013-11-23 at 01:44 +0100, Andreas Schwab wrote: I get a lot of eth0: hw csum failure with 3.13-rc1 on my G5. Alex Graf already reported that, we're looking into it. Cheers, Ben. eth0: hw csum failure CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.13.0-rc1 #1 Call Trace:

Re: Windfarm's max6690 sensor driver was not included in makefile

2013-11-23 Thread Benjamin Herrenschmidt
On Fri, 2013-11-22 at 15:09 -0600, Stanislav Ponomarev wrote: Hello, I had problems with fan speed in my XServe G5. It turned out drivers/macintosh/Makefile has a max6690 module missing from compilation list. I was advised to mail the patch to you guys. I'm not sure what's the proper