[PATCH v2 0/3] dmaengine: Add supports for APM X-Gene SoC CRC32C accerlerator driver
Herbert Xu
herbert at gondor.apana.org.au
Mon Nov 30 00:39:50 PST 2015
On Mon, Nov 30, 2015 at 02:06:03PM +0530, Rameshwar Sahu wrote:
> On Mon, Nov 16, 2015 at 2:42 PM, <rsahu at apm.com> wrote:
> > From: Rameshwar Prasad Sahu <rsahu at apm.com>
> >
> > This patch implements support for APM X-Gene SoC CRC32C h/w accelerator driver
> > and adds CRC32C computations support in dmaengine framework. APM X-Gene SoC has
> > DMA engine capable of performing CRC32C computations.
> >
> > v2 changes:
> > 1. Added helper function in dmaengine framework
> > 2. Documented CRC32C support in Documentations/dmaengine/provider.txt
> > 3. Fixed algo name
> > 4. Fixed coding style issues
> >
> > Signed-off-by: Rameshwar Prasad Sahu <rsahu at apm.com>
> > ---
> >
> > Rameshwar Prasad Sahu (3):
> > dmaengine: Add support for new feature CRC32C computations
> > dmaengine: xgene-dma: Add support for CRC32C computations via DMA
> > engine
> > Crypto: Add support for APM X-Gene SoC CRC32C h/w accelerator driver
> >
> > Documentation/dmaengine/provider.txt | 3 +
> > drivers/crypto/Kconfig | 8 +
> > drivers/crypto/Makefile | 1 +
> > drivers/crypto/xgene-crc32c.c | 234 +++++++++++++++++++++++++
> > drivers/dma/dmaengine.c | 2 +
> > drivers/dma/xgene-dma.c | 314 ++++++++++++++++++++++++++++++++--
> > include/linux/dmaengine.h | 13 ++
> > 7 files changed, 560 insertions(+), 15 deletions(-)
> > create mode 100755 drivers/crypto/xgene-crc32c.c
>
> Any Comments on above patchset ??
The main user of crc32c is lib/libcrc32c.c. Unfortunately it is
entire synchronous so it won't be able to use your crc32c driver
at all.
So who is going to be using this?
Cheers,
--
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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