Hi Christoph,
On Fri, 2018-05-11 at 09:59 +0200, Christoph Hellwig wrote:
> Switch to the generic noncoherent direct mapping implementation.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> arch/arc/Kconfig | 4 +
> arch/arc/include/asm/Kbuild | 1 +
> arch/arc/include/asm/dma-mapping.h | 21 -----
> arch/arc/mm/dma.c | 141 +++--------------------------
> 4 files changed, 19 insertions(+), 148 deletions(-)
> delete mode 100644 arch/arc/include/asm/dma-mapping.h
Sorry I didn't try your proposed fix earlier - was away for a couple of days.
But that newer version with fixed lib/dma-noncoherent.c still doesn't work on ARC.
USB ECHI controller fails like that:
------------------------->8-------------------------
usb 1-1: new high-speed USB device number 2 using ehci-platform
usb 1-1: can't set config #1, error -32
------------------------->8-------------------------
Again with entire series reverted USB starts to work.
Let's wait for other arches previously affected to update on their status.
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