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([2600:8803:e7e4:1d00:cc63:6a65:89f9:fe4a]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-74186a0f8c1sm2849781a34.0.2025.08.05.09.32.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 Aug 2025 09:32:01 -0700 (PDT) Message-ID: Date: Tue, 5 Aug 2025 11:32:01 -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 v2 1/2] iio: magnetometer: add support for Infineon TLV493D 3D Magentic sensor To: Dixit Parmar , Jonathan Cameron Cc: =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org References: <20250802-tlv493d-sensor-v6_16-rc5-v2-0-e867df86ad93@gmail.com> <20250802-tlv493d-sensor-v6_16-rc5-v2-1-e867df86ad93@gmail.com> <20250802124333.67f64863@jic23-huawei> Content-Language: en-US From: David Lechner In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/3/25 10:18 PM, Dixit Parmar wrote: >>> +static const struct iio_buffer_setup_ops tlv493d_setup_ops = { NULL }; >> >> No need specify that NULL. Due to some odd quirks of compiler specific >> handling and C spec evolution (none of which apply to the kernel because >> we carefully choose build options) that is actually less likely to do what >> you want than = { }; >> > Originally it was { } in V1. Got review comment that it must have NULL > if no ops is being passed, so I added (May be I would have asked and > understand their point). Nevertheless will remove NULL. We don't need tlv493d_setup_ops at all. The NULL comes later where tlv493d_setup_ops was used: ret = devm_iio_triggered_buffer_setup(dev, indio_dev, iio_pollfunc_store_time, tlv493d_trigger_handler, NULL);