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c5697462ae
The Security function on the AMCC SoCs has multiple engines within a single MMIO range. The crypto driver currently enables the 3DES functionality by doing a blind write to the device control register. This can unintentionally disable other functions like the PKA or TRNG when the driver is loaded. Perform a read/modify/write to enable the 3DES function instead. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>