Re: [PATCH v1 1/3] bus: mhi: core: Remove warnings for missing MODULE_LICENSE()

bbhatt
2020-09-18T18:48:31Z

On 2020-09-18 10:18, Manivannan Sadhasivam wrote:
> On Fri, Sep 18, 2020 at 09:49:05AM -0700, bbhatt@codeaurora.org wrote:
>> On 2020-09-18 07:27, Jeffrey Hugo wrote:
>> > On 9/17/2020 4:19 PM, Bhaumik Bhatt wrote:
>> > > When building MHI as a module, missing MODULE_LICENSE() warnings
>> > > are seen. Avoid them by adding the license and description
>> > > information for the files where the warnings are seen.
>> > >
>> > > Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
>> > > ---
>> > > drivers/bus/mhi/core/boot.c | 3 +++
>> > > drivers/bus/mhi/core/main.c | 3 +++
>> > > drivers/bus/mhi/core/pm.c | 3 +++
>> > > 3 files changed, 9 insertions(+)
>> > >
>> > > diff --git a/drivers/bus/mhi/core/boot.c b/drivers/bus/mhi/core/boot.c
>> > > index 24422f5..78140cc 100644
>> > > --- a/drivers/bus/mhi/core/boot.c
>> > > +++ b/drivers/bus/mhi/core/boot.c
>> > > @@ -523,3 +523,6 @@ void mhi_fw_load_handler(struct mhi_controller
>> > > *mhi_cntrl)
>> > > error_alloc_fw_table:
>> > > release_firmware(firmware);
>> > > }
>> > > +
>> > > +MODULE_LICENSE("GPL v2");
>> > > +MODULE_DESCRIPTION("MHI Host Interface");
>> > > diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
>> > > index 2cff5dd..172026f 100644
>> > > --- a/drivers/bus/mhi/core/main.c
>> > > +++ b/drivers/bus/mhi/core/main.c
>> > > @@ -1533,3 +1533,6 @@ int mhi_poll(struct mhi_device *mhi_dev, u32
>> > > budget)
>> > > return ret;
>> > > }
>> > > EXPORT_SYMBOL_GPL(mhi_poll);
>> > > +
>> > > +MODULE_LICENSE("GPL v2");
>> > > +MODULE_DESCRIPTION("MHI Host Interface");
>> > > diff --git a/drivers/bus/mhi/core/pm.c b/drivers/bus/mhi/core/pm.c
>> > > index ce4d969..72c3dbc 100644
>> > > --- a/drivers/bus/mhi/core/pm.c
>> > > +++ b/drivers/bus/mhi/core/pm.c
>> > > @@ -1150,3 +1150,6 @@ void mhi_device_put(struct mhi_device *mhi_dev)
>> > > read_unlock_bh(&mhi_cntrl->pm_lock);
>> > > }
>> > > EXPORT_SYMBOL_GPL(mhi_device_put);
>> > > +
>> > > +MODULE_LICENSE("GPL v2");
>> > > +MODULE_DESCRIPTION("MHI Host Interface");
>> > >
>> >
>> > I would expect you only need to add the MODULE_* once per module, in
>> > which case main.c is probably the only place that needs it.
>>
>> Hi Jeff,
>>
>> I thought so too. This is to fix below warnings seen when building MHI
>> as a
>> MODULE:
>>
>> WARNING: modpost: missing MODULE_LICENSE() in
>> drivers/bus/mhi/core/main.o
>> WARNING: modpost: missing MODULE_LICENSE() in
>> drivers/bus/mhi/core/pm.o
>> WARNING: modpost: missing MODULE_LICENSE() in
>> drivers/bus/mhi/core/boot.o
>>
>> We've only had those in init.c so far.
>>
>
> Can you please test below diff to see if it fixes the warning?
>
> diff --git a/drivers/bus/mhi/core/Makefile
> b/drivers/bus/mhi/core/Makefile
> index 66e2700c9032..bc1469778cf8 100644
> --- a/drivers/bus/mhi/core/Makefile
> +++ b/drivers/bus/mhi/core/Makefile
> @@ -1,3 +1,3 @@
> -obj-$(CONFIG_MHI_BUS) := mhi.o
> +obj-$(CONFIG_MHI_BUS) += mhi.o
>
> mhi-y := init.o main.o pm.o boot.o
>
> Thanks,
> Mani
>
>> Thanks,
>> Bhaumik
>>
>> 'The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
>> Forum,\na Linux Foundation Collaborative Project'
Hi Mani,

Yes I was just about to reply. I realized it was due to the Makefile
change. I have fixed and
tested it. The warnings are gone now. I will remove the patch.

Thanks,
Bhaumik

'The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
Forum,\na Linux Foundation Collaborative Project'