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Date: Sat, 22 Aug 2020 11:31:13 +0100 From: Jonathan Cameron <jic23@...nel.org> To: Rikard Falkeborn <rikard.falkeborn@...il.com> Cc: "Ardelean, Alexandru" <alexandru.Ardelean@...log.com>, "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, "Hennerich, Michael" <Michael.Hennerich@...log.com>, "knaack.h@....de" <knaack.h@....de>, "lars@...afoo.de" <lars@...afoo.de>, "pmeerw@...erw.net" <pmeerw@...erw.net>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 4/6] iio: dac: ad5686: Constify static struct iio_chan_spec On Tue, 18 Aug 2020 21:30:17 +0200 Rikard Falkeborn <rikard.falkeborn@...il.com> wrote: > On Sun, May 31, 2020 at 02:47:15PM +0100, Jonathan Cameron wrote: > > On Wed, 27 May 2020 04:50:46 +0000 > > "Ardelean, Alexandru" <alexandru.Ardelean@...log.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@...log.com> > > > > > Applied. > > > > thanks, > > Was this one really applied? I can't see it anywhere? The rest of the > patches in the series are in Linus' tree. > No idea what happened here. Now applied to the togreg branch of iio.git and pushed out as testing. Sorry about that! Jonathan > Rikard > > > > > > > Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.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; > > > > }; > > > > > >
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