RE: [PATCH] usb: gadget: udc-core: remove manual dma configuration

[Yoshihiro Shimoda]

Hi,

> From: Grygorii Strashko [mailto:grygorii.strashko@xxxxxx]
> Sent: Monday, April 04, 2016 8:32 PM
> 
> Since commit 7ace8fc8219e ("usb: gadget: udc: core: Fix argument of
> dma_map_single for IOMMU") it is not necessary to configure DMA for
> usb_gadget device manually, because all DMA operation are performed
> using parent/controller device.
> 
> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>

My environment could work correctly after I applied this patch.
So,

Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>


I realized that the commit 7ace8fc8219e is not suitable for my environment.
(Especially I realized it could use all of DMAC channels when IOMMU was enabled.)
So, I will submit RFC patch set for udc-core.c / renesas_usbhs later :)

Best regards,
Yoshihiro Shimoda