linux-kernel - Re: [PATCH v3] staging: emxx_udc: Make incorrectly defined global static

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Date:   Sun, 7 Feb 2021 10:18:01 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Kumar Kartikeya Dwivedi <memxor@...il.com>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v3] staging: emxx_udc: Make incorrectly defined global
 static

On Sun, Feb 07, 2021 at 02:29:12PM +0530, Kumar Kartikeya Dwivedi wrote:
> The global gpio_desc pointer and int vbus_irq were defined in the header,
> instead put the definitions in the translation unit and make them static as
> there's only a single consumer, and these symbols shouldn't pollute the
> global namespace.
> 
> This fixes the following sparse warnings for this driver:
> drivers/staging/emxx_udc/emxx_udc.c: note: in included file:
> drivers/staging/emxx_udc/emxx_udc.h:23:18: warning: symbol 'vbus_gpio' was not
> declared. Should it be static?  drivers/staging/emxx_udc/emxx_udc.h:24:5:
> warning: symbol 'vbus_irq' was not declared. Should it be static?
> 
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@...il.com>
> ---
> Changes in v1:
> Switch to variable with static linkage instead of extern
> Changes in v2:
> Resend a versioned patch
> Changes in v3:
> Include version changelog below the marker

Much better, thanks, now queued up.

greg k-h