From: Joshua Crofts <joshua.crofts1@gmail.com>
To: Marcelo Schmitt <marcelo.schmitt@analog.com>
Cc: <linux-iio@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux@analog.com>,
<jic23@kernel.org>, <nuno.sa@analog.com>, <dlechner@baylibre.com>,
<andy@kernel.org>, <Michael.Hennerich@analog.com>,
<robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>,
<corbet@lwn.net>, <skhan@linuxfoundation.org>,
<marcelo.schmitt1@gmail.com>
Subject: Re: [PATCH v5 03/15] iio: adc: ad4134: Apply reset recovery wait time
Date: Sat, 17 Oct 2026 07:55:13 +0200 [thread overview]
Message-ID: <20261017075513.3a959a6a@systembl0wer> (raw)
In-Reply-To: <9f6d78d607b2f9a896513535fefa3329d52c4464.1792200021.git.marcelo.schmitt@analog.com>
On Fri, 16 Oct 2026 22:57:08 -0300
Marcelo Schmitt <marcelo.schmitt@analog.com> wrote:
> Add a reset recovery wait time to avoid any SPI transfer from running too
> soon during device probe.
>
> Fixes: e0bc6d7e2584 ("iio: adc: Initial support for AD4134")
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
> ---
> New patch in v5.
>
> drivers/iio/adc/ad4134.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/adc/ad4134.c b/drivers/iio/adc/ad4134.c
> index 40b27b01f126..d555874b4959 100644
> --- a/drivers/iio/adc/ad4134.c
> +++ b/drivers/iio/adc/ad4134.c
> @@ -442,6 +442,7 @@ static int ad4134_probe(struct spi_device *spi)
> return dev_err_probe(dev, PTR_ERR(rst),
> "failed to get and deassert reset\n");
>
> + fsleep(AD4134_RESET_TIME_US);
> crc8_populate_msb(ad4134_spi_crc_table, AD4134_SPI_CRC_POLYNOM);
>
> st->regmap = devm_regmap_init(dev, NULL, st, &ad4134_regmap_config);
Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com>
--
Kind regards,
Joshua Crofts
next prev parent reply other threads:[~2026-10-17 5:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-17 1:56 [PATCH v5 00/15] iio: adc: ad4134: Enable greater sample rate data capture Marcelo Schmitt
2026-10-17 1:56 ` [PATCH v5 01/15] iio: adc: ad4134: Adjust register map range Marcelo Schmitt
2026-10-17 1:56 ` [PATCH v5 02/15] iio: adc: ad4134: Sign extend sample data Marcelo Schmitt
2026-10-17 1:57 ` [PATCH v5 03/15] iio: adc: ad4134: Apply reset recovery wait time Marcelo Schmitt
2026-10-17 5:55 ` Joshua Crofts [this message]
2026-10-17 1:57 ` [PATCH v5 04/15] iio: adc: ad4134: Update include list to comply with IWYU principles Marcelo Schmitt
2026-10-17 1:57 ` [PATCH v5 05/15] iio: adc: ad4134: Serialize single-read operations Marcelo Schmitt
2026-10-17 1:58 ` [PATCH v5 06/15] iio: adc: ad4134: Protect conventional device access from debug accesses Marcelo Schmitt
2026-10-17 1:58 ` [PATCH v5 07/15] iio: adc: ad4134: Run shorter transfers when CRC is disabled Marcelo Schmitt
2026-10-17 1:58 ` [PATCH v5 08/15] iio: adc: ad4134: Add support for digital filter type selection Marcelo Schmitt
2026-10-17 1:59 ` [PATCH v5 09/15] iio: adc: ad4134: Support buffered data read Marcelo Schmitt
2026-10-17 5:59 ` Joshua Crofts
2026-10-17 1:59 ` [PATCH v5 10/15] dt-bindings: iio: adc: adi,ad4134: Document SPI connection mode Marcelo Schmitt
2026-10-17 1:59 ` [PATCH v5 11/15] dt-bindings: iio: adc: adi,ad4134: Document external multiplexer usage Marcelo Schmitt
2026-10-17 1:59 ` [PATCH v5 12/15] iio: adc: ad4134: Support SPI 4-wire mode Marcelo Schmitt
2026-10-17 2:00 ` [PATCH v5 13/15] dt-bindings: iio: adc: adi,ad4134: Document PWM usage Marcelo Schmitt
2026-10-17 2:00 ` [PATCH v5 14/15] iio: adc: ad4134: Support high-speed data capture Marcelo Schmitt
2026-10-17 2:00 ` [PATCH v5 15/15] Docs: iio: Add AD4134 Marcelo Schmitt
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