Re: rcar_sata DMA warnings on Salvator-X

2016-03-01 Thread Dirk Behme
Hi, On 24.02.2016 13:42, Geert Uytterhoeven wrote: With CONFIG_DMA_API_DEBUG=y, I sometimes get the below warning on r8a7795/salvator-x. My tree is based on renesas-drivers-2016-02-23-v4.5-rc5. Some weeks ago I've had a look at porting the eMMC support from the 4.2 Renesas BSP to the 4.4

Re: rcar_sata DMA warnings on Salvator-X

2016-03-01 Thread Tejun Heo
Hello, On Mon, Feb 29, 2016 at 02:44:16PM +0100, Geert Uytterhoeven wrote: > sata_rcar ee30.sata: DMA-API: cpu touching an active dma mapped > cacheline [cln=0x0090ff40] > [ cut here ] > WARNING: at lib/dma-debug.c:604 > Modules linked in: > > CPU: 2 PID: 329

Re: rcar_sata DMA warnings on Salvator-X

2016-02-29 Thread Geert Uytterhoeven
Hi Tejun, On Fri, Feb 26, 2016 at 9:21 AM, Geert Uytterhoeven wrote: > On Thu, Feb 25, 2016 at 10:42 PM, Tejun Heo wrote: >> On Thu, Feb 25, 2016 at 4:40 PM, Tejun Heo wrote: >>> Is this the problem fixed by the following patch from

Re: rcar_sata DMA warnings on Salvator-X

2016-02-26 Thread Geert Uytterhoeven
Hi Tejun, On Thu, Feb 25, 2016 at 10:42 PM, Tejun Heo wrote: > On Thu, Feb 25, 2016 at 4:40 PM, Tejun Heo wrote: >> Is this the problem fixed by the following patch from Harvey? >> >> >>

Re: rcar_sata DMA warnings on Salvator-X

2016-02-25 Thread Tejun Heo
On Thu, Feb 25, 2016 at 4:40 PM, Tejun Heo wrote: > Is this the problem fixed by the following patch from Harvey? > > > http://lkml.kernel.org/g/CAMuHMdU0=_TJVfy=-zxwhkfjswh_fjulbrl8j9t60qs48wb...@mail.gmail.com Oops, I meant

Re: rcar_sata DMA warnings on Salvator-X

2016-02-25 Thread Tejun Heo
Hello, cc'ing Harvey. On Wed, Feb 24, 2016 at 01:42:33PM +0100, Geert Uytterhoeven wrote: > With CONFIG_DMA_API_DEBUG=y, I sometimes get the below warning > on r8a7795/salvator-x. My tree is based on > renesas-drivers-2016-02-23-v4.5-rc5. > > sata_rcar ee30.sata: DMA-API: cpu touching an