Hi Kamil, On Tue, Jan 16, 2018 at 2:16 PM, Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx> wrote: > Crypto framework will require async hash export/import, so add empty > functions to prevent OOPS. Which Oops exactly are you getting? Just booted 4.14.13 and the mxs-dcp driver does not even probe successfully: [ 2.455404] mxs-dcp 80028000.dcp: Failed to register sha1 hash! [ 2.464042] mxs-dcp: probe of 80028000.dcp failed with error -22