On Wed, Nov 21, 2018 at 01:02:57PM +0100, Simon Horman wrote:
> On Sun, Oct 21, 2018 at 06:35:26AM +0900, Yoshihiro Kaneko wrote:
> > From: Takeshi Kihara <takeshi.kihara...@renesas.com>
> > 
> > This patch enables I2C DMA.
> > 
> > NOTE: I2C7 DMA is not supported by R-Car Gen3 Hardware User's Manual
> > Rev.0.80E.
> > 
> > Signed-off-by: Takeshi Kihara <takeshi.kihara...@renesas.com>
> > Signed-off-by: Yoshihiro Kaneko <ykaneko0...@gmail.com>
> 
> Base patch stack:
> * renesas-devel-20181121-v4.20-rc3
> + "iommu/ipmmu-vmsa: Hook up r8a77990 DT matching code"
> + "pinctrl: sh-pfc: r8a77990: Add Audio SSI pins, groups and functions"
> + "pinctrl: sh-pfc: r8a77990: Add Audio clock pins, groups and functions"
> 
> Config: renesas_defconfig + IPMMU_VMSA
> 
> Should we enable IPMMU_VMSA in arm64 defconfig and renesas_defconfig?
> 
> Test with base patch stack:
> # grep dma /proc/interrupts  | grep -v "0          0"
> (no output)
> # amixer set "DVC Out" 2%
> # play xyz.wav
> # grep dma /proc/interrupts  | grep -v "0          0"
> (no output)
> 
> Test with base patch stack + this patch applied:
> # grep dma /proc/interrupts  | grep -v "0          0"
> (no output)
> # amixer set "DVC Out" 2%
> # play xyz.wav
> # grep dma /proc/interrupts  | grep -v "0          0"
> 109:        512          0     GIC-0 352 Level     ec700000.dma-controller:0
> 
> 
> Tested-by: Simon Horman <horms+rene...@verge.net.au>
> Reviewed-by: Simon Horman <horms+rene...@verge.net.au>
> 
> I plan to apply this patch for v4.21.

Done.

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