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SubjectRe: [PATCH] ARM: dts: imx7ulp: add crypto support
Date
On 6/12/2019 4:06 PM, Shawn Guo wrote:
> On Wed, Jun 12, 2019 at 11:45:18AM +0000, Horia Geanta wrote:
>> On 6/12/2019 1:40 PM, Shawn Guo wrote:
>>> On Thu, Jun 06, 2019 at 11:02:55AM +0300, Horia Geantă wrote:
>>>> From: Iuliana Prodan <iuliana.prodan@nxp.com>
>>>>
>>>> Add crypto node in device tree for CAAM support.
>>>>
>>>> Noteworthy is that on 7ulp the interrupt line is shared
>>>> between the two job rings.
>>>>
>>>> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
>>>> Signed-off-by: Franck LENORMAND <franck.lenormand@nxp.com>
>>>> Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
>>>> ---
>>>>
>>>> I've just realized that this patch should be merged through the crypto tree,
>>>> else bisectability could be affected due to cryptodev-2.6
>>>> commit 385cfc84a5a8 ("crypto: caam - disable some clock checks for iMX7ULP")
>>>> ( https://patchwork.kernel.org/patch/10970017/ )
>>>> which should come first.
>>>
>>> I'm not sure I follow it. This is a new device added to imx7ulp DT.
>>> It's never worked before on imx7ulp. How would it affect git bisect?
>>>
>> Driver corresponding to this device (drivers/crypto/caam) has to be updated
>> before adding the node in DT.
>> Is there any guarantee wrt. merge order of the crypto and DT trees?
>
> Do not merge DT changes until driver part hits mainline.
>
That would mean driver changes would be merged in v5.3 and DT node in v5.4.

Would going through the crypto tree with this patch be such a big issue?
I don't think it's the first time (relatively small) DT patches
are merged via other trees.

Thanks,
Horia

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