[v8,3/3] dmaengine: fsl-edma: add ColdFire mcf5441x edma support

[Angelo Dureghello <angelo@sysam.it>]

Hi Stefan,
On Mon, Aug 06, 2018 at 02:21:52PM +0200, Stefan Agner wrote:
> On 06.08.2018 10:09, Krzysztof Kozlowski wrote:
> > On 3 August 2018 at 21:32, Angelo Dureghello <angelo@sysam.it> wrote:
> >> This patch adds support for ColdFire mcf5441x-family edma
> >> module.
> >>
> >> The ColdFire edma module is slightly different from fsl-edma,
> >> so a new driver is added. But most of the code is common
> >> between fsl-edma and mcf-edma so it has been collected into a
> >> separate common module fsl-edma-common (patch 1/3).
> >>
> >> Signed-off-by: Angelo Dureghello <angelo@sysam.it>
> [...]
> >> diff --git a/include/linux/platform_data/dma-mcf-edma.h b/include/linux/platform_data/dma-mcf-edma.h
> >> new file mode 100644
> >> index 000000000000..9a1819acb28f
> >> --- /dev/null
> >> +++ b/include/linux/platform_data/dma-mcf-edma.h
> >> @@ -0,0 +1,38 @@
> >> +/* SPDX-License-Identifier: GPL-2.0 */
> >> +/*
> >> + * Freescale eDMA platform data, ColdFire SoC's family.
> >> + *
> >> + * Copyright (c) 2017 Angelo Dureghello <angelo@sysam.it>
> >> + *
> >> + * This program is free software; you can redistribute it and/or modify
> >> + * it under the terms of the GNU General Public License version 2 as
> >> + * published by the Free Software Foundation.
> >> + *
> >> + * This program is distributed in the hope that it will be useful,
> >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> >> + * GNU General Public License for more details.
> >> + */
> >> +
> >> +#ifndef __MACH_MCF_EDMA_H__
> >> +#define __MACH_MCF_EDMA_H__
> > 
> > The guard should rather match current location, e.g.
> > __LINUX_PLATFORM_DATA_MCF_EDMA_H__
> > 
> > Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
> > 
> 
> So this revision fixed the issue we had seen with the previous version?
> Do we know what it was exactly?
> 
Well, no. I restarted completely the patch from scratch moving/changing
the code carefully. I avoided changes to Freescale code as much 
as possible.

> --
> Stefan
> --
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Regards,
Angelo
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