From: Daniel Campello <campello@google.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: LKML <devicetree@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Jonathan Cameron <jic23@kernel.org>,
Douglas Anderson <dianders@chromium.org>,
Enrico Granata <egranata@chromium.org>,
Gwendal Grignou <gwendal@chromium.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Stephen Boyd <swboyd@chromium.org>,
linux-iio <linux-iio@vger.kernel.org>
Subject: Re: [PATCH 06/15] iio: sx9310: Align memory
Date: Tue, 28 Jul 2020 15:26:09 -0600 [thread overview]
Message-ID: <CAHcu+VbxtAz-2y9FLdraqhYjzHKmi-5O=MioSU1caupT_y6PrQ@mail.gmail.com> (raw)
In-Reply-To: <CAHp75VfLYqPpO5M6GaHfSBBkQoZpnVTHFKVX5k9Pu_RjMO-whw@mail.gmail.com>
On Tue, Jul 28, 2020 at 12:11 PM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Tue, Jul 28, 2020 at 6:15 PM Daniel Campello <campello@chromium.org> wrote:
> >
> > Use __aligned(8) to ensure that the timestamp is correctly aligned
> > when we call push_to_buffers
> >
> > Signed-off-by: Daniel Campello <campello@chromium.org>
> > ---
> >
> > drivers/iio/proximity/sx9310.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
> > index de52afd7c13333..fb5c16f2aa6b1a 100644
> > --- a/drivers/iio/proximity/sx9310.c
> > +++ b/drivers/iio/proximity/sx9310.c
> > @@ -131,8 +131,8 @@ struct sx9310_data {
> > */
> > bool prox_stat[SX9310_NUM_CHANNELS];
> > bool trigger_enabled;
> > - __be16 buffer[SX9310_NUM_CHANNELS +
> > - 4]; /* 64-bit data + 64-bit timestamp */
> > + /* 64-bit data + 64-bit timestamp buffer */
> > + __be16 buffer[SX9310_NUM_CHANNELS + 4] __aligned(8);
>
> If the data amount (channels) is always the same, please, use struct approach.
> Otherwise put a comment explaining dynamic data.
I'm not sure what you mean here. I have a comment above for the size
of the array.
>
> --
> With Best Regards,
> Andy Shevchenko
next prev parent reply other threads:[~2020-07-28 21:26 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-25 0:40 [PATCH] iio: sx9310: Fixes dropped on initial commit Daniel Campello
2020-07-26 8:10 ` Andy Shevchenko
2020-07-26 11:53 ` Jonathan Cameron
2020-07-28 15:12 ` [PATCH 00/15] sx9310 iio driver updates Daniel Campello
2020-07-28 15:12 ` [PATCH 01/15] dt-bindings: iio: Add bindings for sx9310 sensor Daniel Campello
2020-07-28 22:06 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 02/15] iio: sx9310: Update macros declarations Daniel Campello
2020-07-28 19:42 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 03/15] iio: sx9310: Fix irq handling Daniel Campello
2020-07-28 18:08 ` Andy Shevchenko
2020-07-28 20:07 ` Daniel Campello
2020-07-28 20:15 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 04/15] iio: sx9310: Remove acpi and of table macros Daniel Campello
2020-07-28 18:09 ` Andy Shevchenko
2020-07-28 20:47 ` Daniel Campello
2020-07-28 21:28 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 05/15] iio: sx9310: Change from .probe to .probe_new Daniel Campello
2020-07-28 18:10 ` Andy Shevchenko
2020-07-28 19:32 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 06/15] iio: sx9310: Align memory Daniel Campello
2020-07-28 18:11 ` Andy Shevchenko
2020-07-28 21:26 ` Daniel Campello [this message]
2020-07-29 6:52 ` Andy Shevchenko
2020-07-28 15:12 ` [PATCH 07/15] iio: sx9310: Use long instead of int for channel bitmaps Daniel Campello
2020-07-28 18:13 ` Andy Shevchenko
2020-07-28 19:37 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 08/15] iio: sx9310: Use regmap_read_poll_timeout() for compensation Daniel Campello
2020-07-28 18:14 ` Andy Shevchenko
2020-07-28 19:37 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 09/15] iio: sx9310: Update copyright Daniel Campello
2020-07-28 15:12 ` [PATCH 10/15] iio: sx9310: Simplify error return handling Daniel Campello
2020-07-28 18:15 ` Andy Shevchenko
2020-07-28 19:40 ` Stephen Boyd
2020-07-28 21:23 ` Daniel Campello
2020-07-28 21:32 ` Stephen Boyd
2020-07-28 22:06 ` Daniel Campello
2020-07-28 15:12 ` [PATCH 11/15] iio: sx9310: Use variable to hold &client->dev Daniel Campello
2020-07-28 18:16 ` Andy Shevchenko
2020-07-28 19:41 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 12/15] iio: sx9310: Miscellaneous format fixes Daniel Campello
2020-07-28 18:16 ` Andy Shevchenko
2020-07-28 19:41 ` Stephen Boyd
2020-07-28 15:12 ` [PATCH 13/15] iio: sx9310: Add newlines to printks Daniel Campello
2020-07-28 18:19 ` Andy Shevchenko
2020-07-28 18:24 ` Joe Perches
2020-07-28 18:32 ` Andy Shevchenko
2020-07-28 15:12 ` [PATCH 14/15] iio: sx9310: Drop channel_users[] Daniel Campello
2020-07-28 18:20 ` Andy Shevchenko
2020-07-28 15:12 ` [PATCH 15/15] iio: sx9310: Enable vdd and svdd regulators at probe Daniel Campello
2020-07-28 18:21 ` Andy Shevchenko
2020-07-28 23:05 ` [PATCH v2 00/14] sx9310 iio driver updates Daniel Campello
2020-07-28 23:05 ` [PATCH v2 01/14] dt-bindings: iio: Add bindings for sx9310 sensor Daniel Campello
2020-07-29 0:52 ` Stephen Boyd
2020-07-28 23:05 ` [PATCH v2 02/14] iio: sx9310: Update macros declarations Daniel Campello
2020-07-28 23:05 ` [PATCH v2 03/14] iio: sx9310: Fix irq handling Daniel Campello
2020-07-29 8:40 ` Stephen Boyd
2020-07-28 23:05 ` [PATCH v2 04/14] iio: sx9310: Remove acpi and of table macros Daniel Campello
2020-07-29 6:54 ` Andy Shevchenko
2020-07-29 8:38 ` Stephen Boyd
2020-07-28 23:05 ` [PATCH v2 05/14] iio: sx9310: Change from .probe to .probe_new Daniel Campello
2020-07-28 23:05 ` [PATCH v2 06/14] iio: sx9310: Fixes various memory handling Daniel Campello
2020-07-28 23:05 ` [PATCH v2 07/14] iio: sx9310: Use long instead of int for channel bitmaps Daniel Campello
2020-07-29 1:03 ` Stephen Boyd
2020-07-29 7:00 ` Andy Shevchenko
2020-07-31 15:44 ` Daniel Campello
2020-07-31 15:52 ` Andy Shevchenko
2020-07-28 23:05 ` [PATCH v2 08/14] iio: sx9310: Use regmap_read_poll_timeout() for compensation Daniel Campello
2020-07-28 23:05 ` [PATCH v2 09/14] iio: sx9310: Update copyright Daniel Campello
2020-07-28 23:05 ` [PATCH v2 10/14] iio: sx9310: Simplify error return handling Daniel Campello
2020-07-29 8:42 ` Stephen Boyd
2020-07-28 23:05 ` [PATCH v2 11/14] iio: sx9310: Use variable to hold &client->dev Daniel Campello
2020-07-28 23:05 ` [PATCH v2 12/14] iio: sx9310: Miscellaneous format fixes Daniel Campello
2020-07-28 23:05 ` [PATCH v2 13/14] iio: sx9310: Drop channel_users[] Daniel Campello
2020-07-28 23:05 ` [PATCH v2 14/14] iio: sx9310: Enable vdd and svdd regulators at probe Daniel Campello
2020-07-29 0:50 ` [PATCH v2 00/14] sx9310 iio driver updates Stephen Boyd
2020-07-29 9:20 ` Stephen Boyd
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