linux-kernel - Re: [PATCH] hwmon: (aspeed-pwm-tacho) Select REGMAP

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Date:   Tue, 30 May 2017 15:09:51 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Joel Stanley <joel@....id.au>
Cc:     linux-hwmon@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jaghathiswari Rankappagounder Natarajan <jaghu@...gle.com>
Subject: Re: [PATCH] hwmon: (aspeed-pwm-tacho) Select REGMAP

On Tue, May 30, 2017 at 03:48:22PM +0930, Joel Stanley wrote:
> On Sat, May 27, 2017 at 11:24 PM, Guenter Roeck <linux@...ck-us.net> wrote:
> > The driver uses regmap and thus has to select it to avoid build
> > errors such as the following.
> >
> > drivers/hwmon/aspeed-pwm-tacho.c:337:21: error: variable
> >         'aspeed_pwm_tacho_regmap_config' has initializer but incomplete type
> 
> While we're at it the driver should also depend on OF.
> 
The driver compiles without it, so that isn't strictly necessary.

> > Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> 
> Acked-by: Joel Stanley <joel@....id.au>
> 
Thanks,

Guenter

> Cheers,
> 
> Joel
> 
> 
> > ---
> >  drivers/hwmon/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
> > index 22d5eafd6815..5ef2814345ef 100644
> > --- a/drivers/hwmon/Kconfig
> > +++ b/drivers/hwmon/Kconfig
> > @@ -343,6 +343,7 @@ config SENSORS_ASB100
> >
> >  config SENSORS_ASPEED
> >         tristate "ASPEED AST2400/AST2500 PWM and Fan tach driver"
> > +       select REGMAP
> >         help
> >           This driver provides support for ASPEED AST2400/AST2500 PWM
> >           and Fan Tacho controllers.
> > --
> > 2.7.4
> >
> --
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