Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1241341

Re: [PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one

From Sekhar Nori <nsekhar@ti.com>
Newsgroups linux.kernel
Subject Re: [PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one
Date 2015-10-07 12:50 +0200
Message-ID <qgUsh-2md-3@gated-at.bofh.it> (permalink)
References <qcbDr-8jL-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Thursday 24 September 2015 03:31 PM, Peter Ujfalusi wrote:

> with this series the edma two driver setup will be changed to have only one
> driver to support eDMA3. The legacy edma interface will be removed and eDMA can
> only be used via dmaengine API from this point on.
> In order to do the merge the following improvements has been done:
> - One driver instance per eDMA:
>  - Any number of eDMA instances are supported (both legacy and DT boot)
> - Not relying on global variables, arrays, etc
> - Code simplification and optimizations in several places
> 
> This change will also help us to do bigger changes in the eDMA driver since,
> since now we have only one driver to work with.
> 
> The series has been tested on:
> da850-evm (OMAP-L138)
> - with legacy and DT boot (both eDMA0 and eDMA1 is enabled)
> - In code swapping the eDMA instances in legacy mode to make sure the second
>   instance is handled correctly.
> 
> am335x-evmsk
> - DT boot
> 
> I think this series could go via the dmaengine tree. Changes are trivial under
> arch/arm/

I tested this series on DM6446 EVM using MMC/SD as EDMA client. It
worked well. For the arch/arm/mach-davinci parts, please add

Acked-by: Sekhar Nori <nsekhar@ti.com>

Vinod, if you prefer me replying with acks on individual patches, I can
do that too.

Regards,
Sekhar
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

Re: [PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one Sekhar Nori <nsekhar@ti.com> - 2015-10-07 12:50 +0200

csiph-web