linux-kernel - Re: [PATCH v1 1/3] bus: mhi: core: Remove warnings for missing MODULE

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Date:   Fri, 18 Sep 2020 08:27:30 -0600
From:   Jeffrey Hugo <jhugo@...eaurora.org>
To:     Bhaumik Bhatt <bbhatt@...eaurora.org>,
        manivannan.sadhasivam@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, hemantk@...eaurora.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/3] bus: mhi: core: Remove warnings for missing
 MODULE_LICENSE()

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@...eaurora.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.

-- 
Jeffrey Hugo
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.