[PATCH] drm/amdgpu: Fix compile warning in amdgpu_fru_read_eeprom

[Russell, Kent]

[AMD Public Use]

And I appreciate it. There's always someone who will look at a patch critically instead of just saying "eh, it's his code, he probably knows what he's doing" and doing an automatic RB. Now for the caffeine to kick in 😊

 Kent

> -----Original Message-----
> From: Koenig, Christian <Christian.Koenig at amd.com>
> Sent: Monday, June 29, 2020 8:41 AM
> To: Russell, Kent <Kent.Russell at amd.com>; amd-gfx at lists.freedesktop.org
> Subject: Re: [PATCH] drm/amdgpu: Fix compile warning in
> amdgpu_fru_read_eeprom
> 
> No, problem. I don't know this code but the patch looked kind of fishy :)
> 
> And yes that happens to all of us, that's why we do this review.
> 
> Christian.
> 
> Am 29.06.20 um 14:35 schrieb Russell, Kent:
> > [AMD Public Use]
> >
> > Thanks for making me look at it critically (something I should do more after
> returning from 2 weeks vacation). Nirmoy fixed the issue by using a static
> define in his " drm/amdgpu: label internally used symbols as static" patch and
> I was just in autopilot trying to fix the Intel kbot error email that I received
> while away, not actually realizing that it was fixed and I was breaking and
> unbreaking it during rebasing. This thread can be ignored. Time for some
> coffee.
> >
> >   Kent
> >
> >> -----Original Message-----
> >> From: Koenig, Christian <Christian.Koenig at amd.com>
> >> Sent: Monday, June 29, 2020 8:29 AM
> >> To: Russell, Kent <Kent.Russell at amd.com>;
> >> amd-gfx at lists.freedesktop.org
> >> Subject: Re: [PATCH] drm/amdgpu: Fix compile warning in
> >> amdgpu_fru_read_eeprom
> >>
> >> Ok, then why does it fix a warning if we make it non-static?
> >>
> >> If the function used it compiled under some #ifdef then we should
> >> probably just compile this under #ifdef as well.
> >>
> >> Christian.
> >>
> >> Am 29.06.20 um 14:20 schrieb Russell, Kent:
> >>> [AMD Public Use]
> >>>
> >>> It's used repeatedly in the amdgpu_fru_get_product_info function,
> >>> but only
> >> in that function which is in the amdgpu_fru_eeprom.c file. While it
> >> could be theoretically be used elsewhere, it isn't currently and any
> >> other usage would be best contained in the amdgpu_fru_eeprom.c file.
> >>>    Kent
> >>>
> >>>> -----Original Message-----
> >>>> From: Christian König <ckoenig.leichtzumerken at gmail.com>
> >>>> Sent: Monday, June 29, 2020 8:17 AM
> >>>> To: Russell, Kent <Kent.Russell at amd.com>;
> >>>> amd-gfx at lists.freedesktop.org
> >>>> Subject: Re: [PATCH] drm/amdgpu: Fix compile warning in
> >>>> amdgpu_fru_read_eeprom
> >>>>
> >>>> Am 29.06.20 um 14:13 schrieb Kent Russell:
> >>>>> This fixes the missing-prototypes warning for the
> >>>>> amdgpu_fru_read_eeprom function. Since we declare it in the
> >>>>> header, we can make it un-static
> >>>> Well is it used in different files? Otherwise we might just have
> >>>> unused code in the module which can potentially raise a warning as well.
> >>>>
> >>>> Christian.
> >>>>
> >>>>> Signed-off-by: Kent Russell <kent.russell at amd.com>
> >>>>> Reported-by: kernel test robot <lkp at intel.com>
> >>>>> Change-Id: I2b9419365cb8b38bcfb6582df53b96c83861d6cf
> >>>>> ---
> >>>>>     drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 2 +-
> >>>>>     drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h | 2 ++
> >>>>>     2 files changed, 3 insertions(+), 1 deletion(-)
> >>>>>
> >>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
> >>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
> >>>>> index e811fecc540f..68ed16e4d8be 100644
> >>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
> >>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
> >>>>> @@ -48,7 +48,7 @@ static bool is_fru_eeprom_supported(struct
> >>>> amdgpu_device *adev)
> >>>>>     	return false;
> >>>>>     }
> >>>>>
> >>>>> -static int amdgpu_fru_read_eeprom(struct amdgpu_device *adev,
> >>>>> uint32_t addrptr,
> >>>>> +int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t
> >>>>> +addrptr,
> >>>>>     			   unsigned char *buff)
> >>>>>     {
> >>>>>     	int ret, size;
> >>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
> >>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
> >>>>> index f29a8611d69b..f4024f1d66c9 100644
> >>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
> >>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
> >>>>> @@ -24,6 +24,8 @@
> >>>>>     #ifndef __AMDGPU_FRU_EEPROM_H__
> >>>>>     #define __AMDGPU_FRU_EEPROM_H__
> >>>>>
> >>>>> +int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t
> >>>> addrptr,
> >>>>> +                           unsigned char *buff);
> >>>>>     int amdgpu_fru_get_product_info(struct amdgpu_device *adev);
> >>>>>
> >>>>>     #endif  // __AMDGPU_PRODINFO_H__