RE: [PATCH V2] firmware: imx: Skip return value check for some special SCU firmware APIs

From: Anson Huang
Date: Wed Oct 09 2019 - 04:29:32 EST


Hi, Marco

> On 19-10-08 00:48, Anson Huang wrote:
> > Hi, Marco
> >
> > > On 19-10-07 09:15, Anson Huang wrote:
> > > > The SCU firmware does NOT always have return value stored in
> > > > message header's function element even the API has response data,
> > > > those special APIs are defined as void function in SCU firmware,
> > > > so they should be treated as return success always.
> > > >
> > > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> > > > ---
> > > > Changes since V1:
> > > > - Use direct API check instead of calling another function to check.
> > > > - This patch is based on
> > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2F
> > > > patc
> > > >
> > >
> hwork.kernel.org%2Fpatch%2F11129553%2F&amp;data=02%7C01%7Canson.
> > > huang%
> > > >
> > >
> 40nxp.com%7C2de0a6be69b74cc249ad08d74afc9730%7C686ea1d3bc2b4c6f
> > > a92cd99
> > > >
> > >
> c5c301635%7C0%7C0%7C637060321046247040&amp;sdata=RMFAdLKGKb6
> > > mEdhycrzHX
> > > > R03E6Qr5pWyRc8Zk6ErlBc%3D&amp;reserved=0
> > >
> > > Thanks for this v2. It would be good to change the callers within this
> series.
> >
> > NOT quite understand your point, the callers does NOT need to be
> > changed, those
> > 2 special APIs callers are already following the right way of calling the APIs.
>
> Ah okay. I searched the 5.4-rc2 tag and found the soc_uid_show() as only
> user but this user sets the have_resp field to false. Is this intended?

I already fixed it and patch applied by Shawn, see below:

https://patchwork.kernel.org/patch/11129497/

Anson