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Groups > linux.kernel > #1157602
| From | Dan Streetman <ddstreet@ieee.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] crypto: prevent nx 842 load if no hw driver |
| Date | 2015-06-03 15:00 +0200 |
| Message-ID | <pxgr2-1sR-51@gated-at.bofh.it> (permalink) |
| References | <pvcBc-69y-25@gated-at.bofh.it> <px969-7qH-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jun 3, 2015 at 1:08 AM, Herbert Xu <herbert@gondor.apana.org.au> wrote: > On Thu, May 28, 2015 at 04:21:31PM -0400, Dan Streetman wrote: >> Change the nx-842 common driver to wait for loading of both platform >> drivers, and fail loading if the platform driver pointer is not set. >> Add an independent platform driver pointer, that the platform drivers >> set if they find they are able to load (i.e. if they find their platform >> devicetree node(s)). >> >> The problem is currently, the main nx-842 driver will stay loaded even >> if there is no platform driver and thus no possible way it can do any >> compression or decompression. This allows the crypto 842-nx driver >> to load even if it won't actually work. For crypto compression users >> (e.g. zswap) that expect an available crypto compression driver to >> actually work, this is bad. This patch fixes that, so the 842-nx crypto >> compression driver won't load if it doesn't have the driver and hardware >> available to perform the compression. >> >> Signed-off-by: Dan Streetman <ddstreet@ieee.org> > > Applied. Though I had to do the Makefile bit by hand because > it contains references to nx-compress-test which doesn't exist > in my tree. Oops sorry, I forgot to remove that old test module patch from my tree. Thanks. > -- > Email: Herbert Xu <herbert@gondor.apana.org.au> > Home Page: http://gondor.apana.org.au/~herbert/ > PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt > -- > To unsubscribe from this list: send the line "unsubscribe linux-crypto" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- 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/
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Re: [PATCH] crypto: prevent nx 842 load if no hw driver Dan Streetman <ddstreet@ieee.org> - 2015-06-03 15:00 +0200
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