Messages in this thread | | | From | Yoshihiro Shimoda <> | Subject | RE: [PATCH] usb: gadget: udc-core: remove manual dma configuration | Date | Tue, 5 Apr 2016 06:27:18 +0000 |
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Hi,
> From: Grygorii Strashko [mailto:grygorii.strashko@ti.com] > 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@renesas.com> > Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
My environment could work correctly after I applied this patch. So,
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
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
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