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([2600:8803:e7e4:500:c482:1912:c2de:367e]) by smtp.gmail.com with ESMTPSA id 5614622812f47-441c9209c34sm3068700b6e.8.2025.10.15.11.46.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Oct 2025 11:46:29 -0700 (PDT) Message-ID: <1d9704c6-1729-4288-973b-3b3596609553@baylibre.com> Date: Wed, 15 Oct 2025 13:46:27 -0500 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6/6] iio: adc: ad7380: Add support for multiple SPI buses To: =?UTF-8?Q?Nuno_S=C3=A1?= , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marcelo Schmitt , Michael Hennerich , =?UTF-8?Q?Nuno_S=C3=A1?= , Jonathan Cameron , Andy Shevchenko Cc: Sean Anderson , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org References: <20251014-spi-add-multi-bus-support-v1-0-2098c12d6f5f@baylibre.com> <20251014-spi-add-multi-bus-support-v1-6-2098c12d6f5f@baylibre.com> Content-Language: en-US From: David Lechner In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 10/15/25 5:36 AM, Nuno Sá wrote: > On Tue, 2025-10-14 at 17:02 -0500, David Lechner wrote: ... >>   >>   if (st->seq) { >>   xfer[0].delay.value = xfer[1].delay.value = t_convert; >> @@ -1124,6 +1118,7 @@ static int ad7380_update_xfers(struct ad7380_state *st, >>   AD7380_SPI_BYTES(scan_type) * >>   st->chip_info->num_simult_channels; >>   xfer[3].rx_buf = xfer[2].rx_buf + xfer[2].len; >> + xfer[3].multi_bus_mode = xfer[2].multi_bus_mode; > > Why not doing the above once during probe? > There is nothing else in st->seq_xfer[3] that gets set in probe, so I didn't really consider it. Seems like it should be fine to do as you suggest though.