Re: [PATCH v3 0/6] Prerequisites for NXP LS104xA SMMU enablement

From: Andreas FÃrber
Date: Fri May 31 2019 - 13:07:34 EST


Hello Laurentiu,

Am 31.05.19 um 18:46 schrieb Laurentiu Tudor:
>> -----Original Message-----
>> From: Andreas FÃrber <afaerber@xxxxxxx>
>> Sent: Friday, May 31, 2019 7:15 PM
>>
>> Hi Laurentiu,
>>
>> Am 30.05.19 um 16:19 schrieb laurentiu.tudor@xxxxxxx:
>>> This patch series contains several fixes in preparation for SMMU
>>> support on NXP LS1043A and LS1046A chips. Once these get picked up,
>>> I'll submit the actual SMMU enablement patches consisting in the
>>> required device tree changes.
>>
>> Have you thought through what will happen if this patch ordering is not
>> preserved? In particular, a user installing a future U-Boot update with
>> the DTB bits but booting a stable kernel without this patch series -
>> wouldn't that regress dpaa then for our customers?
>>
>
> These are fixes for issues that popped out after enabling SMMU.
> I do not expect them to break anything.

That was not my question! You're missing my point: All your patches are
lacking a Fixes header in their commit message, for backporting them, to
avoid _your DT patches_ breaking the driver on stable branches!

Regards,
Andreas

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