linux-kernel - Re: [PATCH 4/5] iio: trigger: stm32-lptimer: Fix build warnings about export.h

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Message-ID: <20250611173722.1f78b841@jic23-huawei>
Date: Wed, 11 Jun 2025 17:37:22 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
Cc: Antonio Borneo <antonio.borneo@...s.st.com>, Alexandre Torgue
 <alexandre.torgue@...s.st.com>, Andy Shevchenko <andy@...nel.org>, "David
 Lechner" <dlechner@...libre.com>, Gatien Chevallier
 <gatien.chevallier@...s.st.com>, "Lee Jones" <lee@...nel.org>,
 <linux-iio@...r.kernel.org>, Nuno Sá <nuno.sa@...log.com>,
 Olivier Moysan <olivier.moysan@...s.st.com>,
 <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
 <linux-stm32@...md-mailman.stormreply.com>, Maxime Coquelin
 <mcoquelin.stm32@...il.com>
Subject: Re: [PATCH 4/5] iio: trigger: stm32-lptimer: Fix build warnings
 about export.h

On Tue, 10 Jun 2025 15:05:50 +0200
Fabrice Gasnier <fabrice.gasnier@...s.st.com> wrote:

> On 6/10/25 14:48, Antonio Borneo wrote:
> > After commit a934a57a42f6 ("scripts/misc-check: check missing #include
> > <linux/export.h> when W=1") and commit 7d95680d64ac ("scripts/misc-check:
> > check unnecessary #include <linux/export.h> when W=1") we get the build
> > warning with W=1:
> > 
> > drivers/iio/trigger/stm32-lptimer-trigger.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
> > 
> > Fix it.
> > 
> > Signed-off-by: Antonio Borneo <antonio.borneo@...s.st.com>  
> 
> Hi Antonio,
> 
> You can add my:
> Acked-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
> 
Applied.

> Thanks,
> Fabrice
> 
> > ---
> >  drivers/iio/trigger/stm32-lptimer-trigger.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/iio/trigger/stm32-lptimer-trigger.c b/drivers/iio/trigger/stm32-lptimer-trigger.c
> > index 2505ace440b46..c7bab18221c70 100644
> > --- a/drivers/iio/trigger/stm32-lptimer-trigger.c
> > +++ b/drivers/iio/trigger/stm32-lptimer-trigger.c
> > @@ -9,6 +9,7 @@
> >   * Inspired by Benjamin Gaignard's stm32-timer-trigger driver
> >   */
> >  
> > +#include <linux/export.h>
> >  #include <linux/iio/timer/stm32-lptim-trigger.h>
> >  #include <linux/mfd/stm32-lptimer.h>
> >  #include <linux/mod_devicetable.h>