On Friday, April 13, 2018 01:12:39 PM Bartlomiej Zolnierkiewicz wrote: > On Friday, April 13, 2018 12:41:18 PM Bartlomiej Zolnierkiewicz wrote: > > On Friday, April 13, 2018 12:30:04 PM Daniel Lezcano wrote: > > > On 13/04/2018 11:28, Bartlomiej Zolnierkiewicz wrote: > > > > > > [ ... ] > > > > > > >>> It is okay to return 0 because this code-path (the default one) will > > > >>> be > > > >>> never hit by the driver (probe makes sure of it) - the default case is > > > >>> here is just to silence compilation errors.. > > > >> > > > >> The init function is making sure cal_type is one or another. Can you > > > >> fix > > > >> it correctly by replacing the 'switch' by a 'if' instead of adding dead > > > >> branches to please gcc? > > > >> > > > >> if (data->cal_type == TYPE_TWO_POINT_TRIMMING) { > > > >> return ...; > > > >> } > > > >> > > > >> return ...; > > > > > > > > I'm not the one that added this switch statement (it has been there > > > > since > > > > 2011) and I would be happy to remove it. > > > > > > Actually the switch statement was fine until the cleanup. > > > > I don't see how it was fine before as the driver has never used the default > > case (always used TYPE_ONE_POINT_TRIMMING or TYPE_TWO_POINT_TRIMMING). > > > > Could you please explain this more? > > > > > > However could we please defer > > > > this to v4.17 and merge the current set of Exynos thermal fixes/cleanups > > > > (they simplify the driver a lot and make ground for future changes)? > > > > > > Regarding the latest comment, this can be fixed properly by 'return' (or > > > whatever you want which does not get around of gcc warnings). > > > > Do you mean that you want the patch with switch statement removal? > > > > Is incremental fix OK or do you want something else? > > Danial has already posted it, I hope the fix is fine with you.
should have been: Eduardo: Daniel has already posted it, I hope the fix is fine with you. (& sorry for the typo) > Also sorry for the delay with handling issue - I was on holiday last two > days and for some reason I was under (wrong) impression that the previous > fix has been in thermal tree (so I was quite surprised today reading this > mail thread). Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics