linux-kernel - Re: [PATCH 1/3] iio: imu: adis: add doc-string for 'adis' struct

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Message-ID: <414d7e293b75e556ce857e0ce985a0f89fb24ffd.camel@analog.com>
Date:   Fri, 21 Feb 2020 15:59:35 +0000
From:   "Ardelean, Alexandru" <alexandru.Ardelean@...log.com>
To:     "jic23@...nel.org" <jic23@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
Subject: Re: [PATCH 1/3] iio: imu: adis: add doc-string for 'adis' struct

On Fri, 2020-02-21 at 13:11 +0000, Jonathan Cameron wrote:
> On Fri, 21 Feb 2020 13:49:41 +0200
> Alexandru Ardelean <alexandru.ardelean@...log.com> wrote:
> 
> > This change adds a doc-string for the 'adis' struct. It details the fields
> > and their roles.
> > 
> > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
> > ---
> >  include/linux/iio/imu/adis.h | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> > 
> > diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
> > index ac7cfd073804..0787a3aabd05 100644
> > --- a/include/linux/iio/imu/adis.h
> > +++ b/include/linux/iio/imu/adis.h
> > @@ -73,6 +73,20 @@ struct adis_data {
> >  	bool has_paging;
> >  };
> >  
> > +/**
> > + * struct adis - ADIS device instance data
> > + * @spi: Reference to SPI device which owns this ADIS IIO device
> > + * @trig: IIO trigger object data
> > + * @data: ADIS chip variant specific data
> > + * @burst: ADIS burst transfer information
> > + * @state_lock: Lock used by the device to protect state
> > + * @msg: SPI message object
> > + * @xfer: SPI transfer objects to be used for a @msg
> > + * @current_page: Some ADIS devices have registers, this selects current
> > page
> > + * @buffer: Data buffer for information read from the device
> > + * @tx: Cacheline aligned TX buffer for SPI transfers
> > + * @rx: Cacheline aligned RX buffer for SPI transfers
> 
> This last one isn't true.. 

Oh right.
I noticed this at some point, then forgot about it.
[ The "joys" of multi-tasking; sorry about it :) ]
I guess I should also add a patch in this series making it cacheline-aligned.
I don't see a reason why not-to [unless I am misunderstanging something]


> 
> > + */
> >  struct adis {
> >  	struct spi_device	*spi;
> >  	struct iio_trigger	*trig;