Hi Herbert,
On Fri, Apr 20, 2018 at 3:01 PM, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> Is this a regression or a preexisting bug?
It is not a regression.
We haven't seen this problem before because dtsi files passed the
'fsl,sec-era' property.
Since 4.17-rc1, imx7 supports CAAM:
0eeabcad7da5 ("ARM: dts: imx7s: add CAAM device node")
,but it does not pass the 'fsl,sec-era' property leading to the following error:
caam 30900000.caam: device ID = 0x0a16030000000000 (Era -524)
Documentation/devicetree/bindings/crypto/fsl-sec4.txt states that
'fsl,sec-era' property is optional, so 0eeabcad7da5 is not incorrect
by not passing it.
As we can retrieve the era information by reading the CAAM registers
we can fix the problem on imx7 running 4.17-rc with this patch.
Thanks
