On Tuesday, December 03, 2013 at 12:10:02 PM, Shawn Guo wrote: > On Sun, Dec 01, 2013 at 10:20:21PM +0100, Marek Vasut wrote: > > Add support for the MXS DCP block. The driver currently supports > > SHA-1/SHA-256 hashing and AES-128 CBC/ECB modes. The non-standard > > CRC32 is not yet supported. > > > > Signed-off-by: Marek Vasut <marex@xxxxxxx> > > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > > Cc: David S. Miller <davem@xxxxxxxxxxxxx> > > Cc: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx> > > Cc: Shawn Guo <shawn.guo@xxxxxxxxxx> > > Cc: linux-crypto@xxxxxxxxxxxxxxx > > --- > > > > .../devicetree/bindings/crypto/fsl-dcp.txt | 18 + > > drivers/crypto/Kconfig | 17 + > > drivers/crypto/Makefile | 1 + > > drivers/crypto/mxs-dcp.c | 1100 > > ++++++++++++++++++++ 4 files changed, 1136 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/crypto/fsl-dcp.txt > > Since it creates new device tree bindings, please copy > devicetree@xxxxxxxxxxxxxxx, so that DT experts can have a chance to > review the bindings. OK, makes sense. > Shawn > > > create mode 100644 drivers/crypto/mxs-dcp.c > > > > V2: Use dma_{un,}map_single instead of large coherent chunk > > > > Use the DMA mapping function on DCP buffers instead of the large > > coherent chunk. This reduces the amount of cache > > flushes/invalidations and write buffer drains as we do not need to > > do this every time we operate with the coherent memory chunk, but > > only when really needed. > > > > Make sure rctx is always inited > > > > The crypto request context is not zeroed out by the crypto API. > > While this is not documented anywhere, it will produce arcane and > > hard to debug problems. Fix the DCP code so that the request > > context is always properly initialized. > > > > Minor code and coding-style fixes. > > > > diff --git a/Documentation/devicetree/bindings/crypto/fsl-dcp.txt > > b/Documentation/devicetree/bindings/crypto/fsl-dcp.txt new file mode > > 100644 > > index 0000000..ee8fbf9 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/crypto/fsl-dcp.txt > > @@ -0,0 +1,18 @@ > > +Freescale DCP (Data Co-Processor) found on i.MX23/i.MX28 . > > + > > +Required properties: > > +- compatible : Should be "fsl,<soc>-dcp" > > +- reg : Should contain MXS DCP registers location and length > > +- interrupts : Should contain MXS DCP interrupt numbers, VMI IRQ and DCP > > IRQ + must be supplied, optionally Secure IRQ can be > > present, but + is currently not implemented and not used. > > + > > +Example: > > + > > +dcp@80028000 { > > + compatible = "fsl,imx28-dcp", "fsl,imx23-dcp"; > > + reg = <0x80028000 0x2000>; > > + interrupts = <52 53>; > > + status = "okay"; > > +}; [...] -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html