[PATCH linux dev-4.10] drivers/fsi: Remove scan from master registration

Jeremy Kerr jk at ozlabs.org
Fri Jul 28 12:07:45 AEST 2017


Hi Chris,

> Scanning during master registration is problematic because the gpio fsi
> master will be registered during boot if it is present in device-tree
> (it's a platform device). That means that the whole fsi scan occurs
> during boot, which can cause problems.

What kind of problems?

This sounds a bit awkward to me - it's fairly reasonable to expect the
master to probe immediately. Requiring manual scan adds some unusual
dependencies to the bus initialisation process.

Cheers,


Jeremy


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