From: Jonathan Cameron <jic23@kernel.org>
To: "Ardelean, Alexandru" <alexandru.Ardelean@analog.com>
Cc: "rikard.falkeborn@gmail.com" <rikard.falkeborn@gmail.com>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"Hennerich, Michael" <Michael.Hennerich@analog.com>,
"knaack.h@gmx.de" <knaack.h@gmx.de>,
"lars@metafoo.de" <lars@metafoo.de>,
"pmeerw@pmeerw.net" <pmeerw@pmeerw.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/6] iio: dac: ad5686: Constify static struct iio_chan_spec
Date: Sun, 31 May 2020 14:47:15 +0100 [thread overview]
Message-ID: <20200531144715.089886ce@archlinux> (raw)
In-Reply-To: <d822bd34435902f096cdeb27ae0dc029d29bfb2c.camel@analog.com>
On Wed, 27 May 2020 04:50:46 +0000
"Ardelean, Alexandru" <alexandru.Ardelean@analog.com> wrote:
> On Tue, 2020-05-26 at 23:02 +0200, Rikard Falkeborn wrote:
> > [External]
> >
> > These are never modified and can be made const to allow the compiler to
> > put it in read-only memory.
> >
> > Before:
> > text data bss dec hex filename
> > 6642 12608 64 19314 4b72 drivers/iio/dac/ad5686.o
> >
> > After:
> > text data bss dec hex filename
> > 16946 2304 64 19314 4b72 drivers/iio/dac/ad5686.o
> >
>
> Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
>
Applied.
thanks,
> > Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
> > ---
> > drivers/iio/dac/ad5686.c | 8 ++++----
> > drivers/iio/dac/ad5686.h | 2 +-
> > 2 files changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
> > index 8dd67da0a7da..6de48f618c95 100644
> > --- a/drivers/iio/dac/ad5686.c
> > +++ b/drivers/iio/dac/ad5686.c
> > @@ -206,12 +206,12 @@ static const struct iio_chan_spec_ext_info
> > ad5686_ext_info[] = {
> > }
> >
> > #define DECLARE_AD5693_CHANNELS(name, bits, _shift) \
> > -static struct iio_chan_spec name[] = { \
> > +static const struct iio_chan_spec name[] = { \
> > AD5868_CHANNEL(0, 0, bits, _shift), \
> > }
> >
> > #define DECLARE_AD5686_CHANNELS(name, bits, _shift) \
> > -static struct iio_chan_spec name[] = { \
> > +static const struct iio_chan_spec name[] = { \
> > AD5868_CHANNEL(0, 1, bits, _shift), \
> > AD5868_CHANNEL(1, 2, bits, _shift), \
> > AD5868_CHANNEL(2, 4, bits, _shift), \
> > @@ -219,7 +219,7 @@ static struct iio_chan_spec name[] = {
> > \
> > }
> >
> > #define DECLARE_AD5676_CHANNELS(name, bits, _shift) \
> > -static struct iio_chan_spec name[] = { \
> > +static const struct iio_chan_spec name[] = { \
> > AD5868_CHANNEL(0, 0, bits, _shift), \
> > AD5868_CHANNEL(1, 1, bits, _shift), \
> > AD5868_CHANNEL(2, 2, bits, _shift), \
> > @@ -231,7 +231,7 @@ static struct iio_chan_spec name[] = {
> > \
> > }
> >
> > #define DECLARE_AD5679_CHANNELS(name, bits, _shift) \
> > -static struct iio_chan_spec name[] = { \
> > +static const struct iio_chan_spec name[] = { \
> > AD5868_CHANNEL(0, 0, bits, _shift), \
> > AD5868_CHANNEL(1, 1, bits, _shift), \
> > AD5868_CHANNEL(2, 2, bits, _shift), \
> > diff --git a/drivers/iio/dac/ad5686.h b/drivers/iio/dac/ad5686.h
> > index 52009b5eef88..a15f2970577e 100644
> > --- a/drivers/iio/dac/ad5686.h
> > +++ b/drivers/iio/dac/ad5686.h
> > @@ -104,7 +104,7 @@ typedef int (*ad5686_read_func)(struct ad5686_state
> > *st, u8 addr);
> > struct ad5686_chip_info {
> > u16 int_vref_mv;
> > unsigned int num_channels;
> > - struct iio_chan_spec *channels;
> > + const struct iio_chan_spec *channels;
> > enum ad5686_regmap_type regmap_type;
> > };
> >
next prev parent reply other threads:[~2020-05-31 13:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 21:02 [PATCH 0/6] drivers/iio: Constify structs Rikard Falkeborn
2020-05-26 21:02 ` [PATCH 1/6] iio: adc: max11100: Constify struct iio_chan_spec Rikard Falkeborn
2020-05-31 13:07 ` Jonathan Cameron
2020-05-26 21:02 ` [PATCH 2/6] iio: dac: ad5380: Constify struct iio_chan_spec_ext_info Rikard Falkeborn
2020-05-27 4:22 ` Ardelean, Alexandru
2020-05-31 13:44 ` Jonathan Cameron
2020-05-26 21:02 ` [PATCH 3/6] iio: dac: ad5592r-base: " Rikard Falkeborn
2020-05-27 4:22 ` Ardelean, Alexandru
2020-05-31 13:47 ` Jonathan Cameron
2020-05-26 21:02 ` [PATCH 4/6] iio: dac: ad5686: Constify static struct iio_chan_spec Rikard Falkeborn
2020-05-27 4:50 ` Ardelean, Alexandru
2020-05-31 13:47 ` Jonathan Cameron [this message]
2020-08-18 19:30 ` Rikard Falkeborn
2020-08-22 10:31 ` Jonathan Cameron
2020-05-26 21:02 ` [PATCH 5/6] iio: light: stk3310: Constify regmap_config Rikard Falkeborn
2020-05-31 13:47 ` Jonathan Cameron
2020-05-26 21:02 ` [PATCH 6/6] iio: magnetometer: mmc35240: Constify struct reg_default Rikard Falkeborn
2020-05-31 13:48 ` Jonathan Cameron
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