From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Marcelo Schmitt <marcelo.schmitt@analog.com>
Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
jic23@kernel.org, michael.hennerich@analog.com,
nuno.sa@analog.com, eblanc@baylibre.com, dlechner@baylibre.com,
andy@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, corbet@lwn.net, marcelo.schmitt1@gmail.com,
Andy Shevchenko <andy.shevchenko@gmail.com>
Subject: Re: [PATCH v5 4/7] iio: adc: ad4030: Use BIT macro to improve code readability
Date: Wed, 15 Oct 2025 16:46:32 +0300 [thread overview]
Message-ID: <aO-luIfTsekQC3e4@smile.fi.intel.com> (raw)
In-Reply-To: <ec78fd7e4348e2cbc99ae08004c48b7ea238ecf7.1760479760.git.marcelo.schmitt@analog.com>
On Tue, Oct 14, 2025 at 07:21:58PM -0300, Marcelo Schmitt wrote:
> Use BIT macro to make the list of average modes more readable.
>
> Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Okay, but...
...
> static const int ad4030_average_modes[] = {
> - 1, 2, 4, 8, 16, 32, 64, 128,
> - 256, 512, 1024, 2048, 4096, 8192, 16384, 32768,
> - 65536,
> + BIT(0), /* No averaging/oversampling */
> + BIT(1), BIT(2), BIT(3), BIT(4), /* 2 to 16 */
> + BIT(5), BIT(6), BIT(7), BIT(8), /* 32 to 256 */
> + BIT(9), BIT(10), BIT(11), BIT(12), /* 512 to 4096 */
> + BIT(13), BIT(14), BIT(15), BIT(16), /* 8192 to 65536 */
...the comments now a bit odd as it's unclear in which step the values are.
Taking this into account I would rather drop the comments for all bits but
0.
Or even drop all and make a top comment to explain the meaning of values
0, 1, and bit permutations, if any.
> };
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-10-18 17:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-14 22:20 [PATCH v5 0/7] Add SPI offload support to AD4030 Marcelo Schmitt
2025-10-14 22:21 ` [PATCH v5 1/7] dt-bindings: iio: adc: adi,ad4030: Reference spi-peripheral-props Marcelo Schmitt
2025-10-14 22:21 ` [PATCH v5 2/7] Docs: iio: ad4030: Add double PWM SPI offload doc Marcelo Schmitt
2025-10-14 22:21 ` [PATCH v5 3/7] dt-bindings: iio: adc: adi,ad4030: Add PWM Marcelo Schmitt
2025-10-14 22:21 ` [PATCH v5 4/7] iio: adc: ad4030: Use BIT macro to improve code readability Marcelo Schmitt
2025-10-15 13:46 ` Andy Shevchenko [this message]
2025-10-17 14:14 ` Nuno Sá
2025-10-14 22:22 ` [PATCH v5 5/7] iio: adc: ad4030: Add SPI offload support Marcelo Schmitt
2025-10-16 16:40 ` David Lechner
2025-10-17 11:35 ` Marcelo Schmitt
2025-10-17 15:03 ` Nuno Sá
2025-10-17 15:02 ` Nuno Sá
2025-10-17 19:54 ` Marcelo Schmitt
2025-10-18 14:16 ` Nuno Sá
2025-10-14 22:22 ` [PATCH v5 6/7] dt-bindings: iio: adc: adi,ad4030: Add ADAQ4216 and ADAQ4224 Marcelo Schmitt
2025-10-16 16:30 ` Conor Dooley
2025-10-14 22:22 ` [PATCH v5 7/7] iio: adc: ad4030: Add support for " Marcelo Schmitt
2025-10-15 13:56 ` Andy Shevchenko
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