From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: nuno.sa@analog.com
Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
Michael Hennerich <Michael.Hennerich@analog.com>,
Jonathan Cameron <jic23@kernel.org>,
David Lechner <dlechner@baylibre.com>,
Andy Shevchenko <andy@kernel.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Subject: Re: [PATCH v4 02/12] iio: dac: ad5446: Use DMA safe buffer for transfers
Date: Tue, 4 Nov 2025 19:10:41 +0200 [thread overview]
Message-ID: <aQozkdWtQxv15Umd@smile.fi.intel.com> (raw)
In-Reply-To: <20251104-dev-add-ad5542-v4-2-6fe35458bf8c@analog.com>
On Tue, Nov 04, 2025 at 03:35:07PM +0000, Nuno Sá via B4 Relay wrote:
>
> Make sure to use DMA safe buffer. While for i2c we could be fine without
> them, we need it for spi anyways.
>
> As we now have DMA safe buffers, use i2c_master_send_dmasafe().
...
> - put_unaligned_be24(val, &data[0]);
> + put_unaligned_be24(val, &st->d24[0]);
Now this &...[0] are redundant as you defined (by name) that the variable is to
be used as 24-bit one, i.o.w. as a whole.
put_unaligned_be24(val, st->d24);
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-11-04 17:10 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-04 15:35 [PATCH v4 00/12] iio: dac: ad5446: Refactor and add support for AD5542 Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 15:35 ` [PATCH v4 01/12] dt-bindings: iio: dac: Document AD5446 and similar devices Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 17:51 ` [PATCH v5 6/7] dt-bindings: clock: rockchip: Add RK3506 clock and reset unit Conor Dooley
2025-11-09 15:57 ` Jonathan Cameron
2025-11-09 19:51 ` Conor Dooley
2025-11-09 16:05 ` [PATCH v4 01/12] dt-bindings: iio: dac: Document AD5446 and similar devices Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 02/12] iio: dac: ad5446: Use DMA safe buffer for transfers Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 17:10 ` Andy Shevchenko [this message]
2025-11-09 16:04 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 03/12] iio: dac: ad5446: Drop duplicated spi_id entry Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 17:12 ` Andy Shevchenko
2025-11-05 10:16 ` Nuno Sá
2025-11-09 16:05 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 04/12] iio: dac: ad5446: Don't ignore missing regulator Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-09 16:05 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 05/12] iio: dac: ad5446: Move to single chip_info structures Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-09 16:06 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 06/12] iio: dac: ad5456: Add missing DT compatibles Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-09 16:13 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 07/12] iio: dac: ad5446: Separate I2C/SPI into different drivers Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 18:20 ` Andy Shevchenko
2025-11-09 15:55 ` Jonathan Cameron
2025-11-09 16:13 ` Jonathan Cameron
2025-11-09 16:16 ` Jonathan Cameron
2025-11-10 15:11 ` Nuno Sá
2025-11-04 15:35 ` [PATCH v4 08/12] iio: dac: ad5446: Make use of devm_mutex_init() Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-09 16:16 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 09/12] iio: dac: ad5446: Make use of the cleanup helpers Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 18:23 ` Andy Shevchenko
2025-11-09 16:19 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 10/12] iio: dac: ad5446: Refactor header inclusion Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 18:24 ` Andy Shevchenko
2025-11-09 16:30 ` Jonathan Cameron
2025-11-09 19:32 ` Andy Shevchenko
2025-11-11 19:25 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 11/12] iio: dac: ad5446: Fix coding style issues Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-04 18:26 ` Andy Shevchenko
2025-11-09 16:32 ` Jonathan Cameron
2025-11-04 15:35 ` [PATCH v4 12/12] iio: dac: ad5446: Add AD5542 to the spi id table Nuno Sá
2025-11-04 15:35 ` Nuno Sá via B4 Relay
2025-11-09 16:32 ` Jonathan Cameron
2025-11-04 18:30 ` [PATCH v4 00/12] iio: dac: ad5446: Refactor and add support for AD5542 Andy Shevchenko
2025-11-05 10:16 ` Nuno Sá
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