linux-kernel - Re: [PATCH v8 1/3] serial: samsung: Replace rd_regb/wr_regb with rd_reg/wr

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Date:   Wed, 6 May 2020 08:31:05 +0200
From:   'Greg Kroah-Hartman' <gregkh@...uxfoundation.org>
To:     Hyunki Koo <hyunki00.koo@...sung.com>
Cc:     'Kukjin Kim' <kgene@...nel.org>,
        'Krzysztof Kozlowski' <krzk@...nel.org>,
        'Jiri Slaby' <jslaby@...e.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 1/3] serial: samsung: Replace rd_regb/wr_regb with
 rd_reg/wr_reg

On Wed, May 06, 2020 at 08:30:46AM +0900, Hyunki Koo wrote:
> On Tuesday, May 5, 2020 at 2020 11:23:00 PM +0900, Greg Kroah-Hartman wrote:
> > On Mon, Apr 20, 2020 at 10:32:56AM +0900, Hyunki Koo wrote:
> > > This patch change the name of macro for general usage.
> > >
> > > Signed-off-by: Hyunki Koo <hyunki00.koo@...sung.com>
> > 
> > This patch series creates the following build error, which is not
> > allowed:
> > 
> >   CC [M]  drivers/tty/serial/samsung_tty.o
> > drivers/tty/serial/samsung_tty.c:186:13: warning: ‘wr_reg_barrier’
> > defined but not used [-Wunused-function]
> >   186 | static void wr_reg_barrier(struct uart_port *port, u32 reg, u32 val)
> >       |             ^~~~~~~~~~~~~~
> > 
> > Please fix up and resend.  Always make sure you keep the reviewed-by
> > tags from others as well.
> > 
> > greg k-h
> 
> I tested on latest kernel today one more time, there is no error and warning on my side, not only patch 1/3 and patch 3/3
> Line 1735:   CC      drivers/tty/serial/samsung_tty.o
> Line 343:   CC      drivers/tty/serial/samsung_tty.o
> 
> wr_reg_barrier is not defined in patch 1/3, 
> and wr_reg_barrier is define and used in patch3/3
> it might be no warning.

After I apply this series, I got the above build warning on my normal
x86 system, so I can not take the patches.  Please fix up and resend.

greg k-h