From patchwork Mon May 1 23:17:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marijn Suijten X-Patchwork-Id: 678122 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1537C7EE21 for ; Mon, 1 May 2023 23:18:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232101AbjEAXR5 convert rfc822-to-8bit (ORCPT ); Mon, 1 May 2023 19:17:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231222AbjEAXR5 (ORCPT ); Mon, 1 May 2023 19:17:57 -0400 Received: from m-r2.th.seeweb.it (m-r2.th.seeweb.it [5.144.164.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 502FF2D63 for ; Mon, 1 May 2023 16:17:56 -0700 (PDT) Received: from localhost.localdomain (94-211-6-86.cable.dynamic.v4.ziggo.nl [94.211.6.86]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id 5211040E42; Tue, 2 May 2023 01:17:54 +0200 (CEST) From: Marijn Suijten To: phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, AngeloGioacchino Del Regno , Konrad Dybcio , Martin Botka , Jami Kettunen , Jonathan Cameron , Lars-Peter Clausen , Andy Gross , Bjorn Andersson Cc: Marijn Suijten , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH RESEND v3 0/5] iio: adc: qcom-spmi-vadc: Propagate fw node label to userspace Date: Tue, 2 May 2023 01:17:32 +0200 Message-Id: <20230502-iio-adc-propagate-fw-node-label-v3-0-6be5db6e6b5a@somainline.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-Mailer: b4 0.12.2 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Implement read_label in qcom-spmi-vadc to see DT-specified label names in userspace. At the same time clear up some documentation around extend_name to promote read_label, and normalize similar code in qcom-spmi-adc5. v3 resend: added missing to/cc addresses via b4 prep --auto-to-cc. Changes since v2: - Dropped RFC tag; - Reworded @extend_name deprecation comment. v2: https://lore.kernel.org/r/20230116220909.196926-1-marijn.suijten@somainline.org Changes since v1: - qcom-spmi-vadc: Use read_label instead of extend_name. New since v1: - core: Point users of extend_name field to read_label callback - qcom-spmi-adc5: Use datasheet_name string literal for iio_chan_spec::datasheet_name; - qcom-spmi-adc5: Fall back to datasheet_name instead of fwnode_get_name() for iio_chan_spec::extend_name (gets rid of @xx in sysfs filenames and labels); - qcom-spmi-adc5: Remove unnecessary datasheet_name NULL check. v1: https://lore.kernel.org/linux-arm-msm/20221106193018.270106-1-marijn.suijten@somainline.org/ Reviewed-by: Dmitry Baryshkov Reviewed-by: Dmitry Baryshkov --- Marijn Suijten (5): iio: core: Point users of extend_name field to read_label callback iio: adc: qcom-spmi-adc5: Use driver datasheet_name instead of DT label iio: adc: qcom-spmi-adc5: Fall back to datasheet_name instead of fwnode name iio: adc: qcom-spmi-adc5: Remove unnecessary datasheet_name NULL check iio: adc: qcom-spmi-vadc: Propagate fw node label to userspace drivers/iio/adc/qcom-spmi-adc5.c | 15 +++++++-------- drivers/iio/adc/qcom-spmi-vadc.c | 19 ++++++++++++++++++- include/linux/iio/iio.h | 3 +++ 3 files changed, 28 insertions(+), 9 deletions(-) --- base-commit: 92e815cf07ed24ee1c51b122f24ffcf2964b4b13 change-id: 20230502-iio-adc-propagate-fw-node-label-b1fff2e63ae8