{"id":2197980,"url":"http://patchwork.ozlabs.org/api/1.0/covers/2197980/?format=json","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/1.0/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260219022929.3558081-1-dmitry.torokhov@gmail.com>","date":"2026-02-19T02:29:24","name":"[v2,0/4] ti-ads7950: fix gpio handling and facelift","submitter":{"id":695,"url":"http://patchwork.ozlabs.org/api/1.0/people/695/?format=json","name":"Dmitry Torokhov","email":"dmitry.torokhov@gmail.com"},"series":[{"id":492631,"url":"http://patchwork.ozlabs.org/api/1.0/series/492631/?format=json","date":"2026-02-19T02:29:24","name":"ti-ads7950: fix gpio handling and facelift","version":2,"mbox":"http://patchwork.ozlabs.org/series/492631/mbox/"}],"headers":{"Return-Path":"\n <linux-gpio+bounces-31834-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20230601 header.b=gD5GMvFt;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; helo=sin.lore.kernel.org;\n envelope-from=linux-gpio+bounces-31834-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"gD5GMvFt\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=74.125.82.42","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sin.lore.kernel.org (sin.lore.kernel.org\n [IPv6:2600:3c15:e001:75::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fGclq1Zctz1xvg\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 19 Feb 2026 13:29:43 +1100 (AEDT)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sin.lore.kernel.org (Postfix) with ESMTP id B721F3007B3C\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 19 Feb 2026 02:29:39 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 340CA26ED3A;\n\tThu, 19 Feb 2026 02:29:38 +0000 (UTC)","from mail-dl1-f42.google.com (mail-dl1-f42.google.com\n [74.125.82.42])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id E1B2324E4C4\n\tfor <linux-gpio@vger.kernel.org>; Thu, 19 Feb 2026 02:29:36 +0000 (UTC)","by mail-dl1-f42.google.com with SMTP id\n a92af1059eb24-127380532eeso1049264c88.1\n        for <linux-gpio@vger.kernel.org>;\n Wed, 18 Feb 2026 18:29:36 -0800 (PST)","from dtor-ws.sjc.corp.google.com\n ([2a00:79e0:2ebe:8:265b:f5ad:9e03:677e])\n        by smtp.gmail.com with ESMTPSA id\n 5a478bee46e88-2bacb577bcasm19609433eec.12.2026.02.18.18.29.35\n        (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n        Wed, 18 Feb 2026 18:29:35 -0800 (PST)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1771468178; cv=none;\n b=GRqr9HgV3ICpzNN5CxWzxQfY+Ai3KzBLfEvKUNuYxxVWTHBymJqL4SNpU3uI7nmA/JRtuEowIQ8yPs4FRiS+h5kGO5DMTxFABN/yCVj76lsgeFAhMrYxXdfluJK/7wJuJ4zXTgxn+sCJtKRsG54NEktplP5DnFELlpEutfehMaU=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1771468178; c=relaxed/simple;\n\tbh=y62dQmcfzA7x9evjRbkFtEx6ixLGw521fZkusri9NRQ=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=UclDmCrE1PZVSIq3udOWp6VvN8+3Z5wVw1VLsonbSH675yYuaXDTy8KoqkgowCEMNZV1TTUoGEg3OC6BWQ0as8lOwmBRJ9pGWacgxXvTeuFeTohF6fFg3VQdh1vGbQoP4JvqNeUILoDfo2I2pXWC4+hEKXybRBsmubUTHhS0BKI=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com;\n spf=pass smtp.mailfrom=gmail.com;\n dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=gD5GMvFt; arc=none smtp.client-ip=74.125.82.42","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n        d=gmail.com; s=20230601; t=1771468176; x=1772072976;\n darn=vger.kernel.org;\n        h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n         :to:from:from:to:cc:subject:date:message-id:reply-to;\n        bh=aHHqKD+lhoCXs9icmscKR43kyWRRP9aoACTlazkgEzo=;\n        b=gD5GMvFtQFpyHTDte6hhs+IOOyx7YzSQOK4eitReKF9YL0pOJILFEn/uXBdg0P6Co0\n         Jna8xo3xOn81L0uZhO3IDF++OKPezmRIOsTHNrtJNdKeyucCeNX0o3VetiuDSxI3vKxE\n         M/+T68ZkbKO9obt34sQyjZVqFfF14M62ANHJqOzO0hTy0RBC2p9BwLOXjUXfyffABHB0\n         qfqk6+NRnrC0AqhDG/baOlrfd/o3hsbbYpKbReUuy19I3tsZN59kAIFq0cwDbutudzKT\n         tbhnX+rKpJa7TNE4TnWNRqYUJhe43KtoIyMBHwIfCSdAUzxA7qSohXYF6/IgeYbUO84+\n         4/6Q==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n        d=1e100.net; s=20230601; t=1771468176; x=1772072976;\n        h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n         :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n         :message-id:reply-to;\n        bh=aHHqKD+lhoCXs9icmscKR43kyWRRP9aoACTlazkgEzo=;\n        b=BHLddA8HSQILY78DehPDzMtEqPNJ68zULDsV9Z6vJvecqJ/bH287MjpWYy1+kt+6QU\n         LFF+ahTcCtwI1+rPZOV9YBXk4RHUeS1Qf8ZijCsT1WiKOPypFf6CUW1F1f/e53kSB8tN\n         W/xSZn9R1BZbFNr//7yMly3gZd3PL1lDwIORWrsCQUIBriFrKMQkq4tNRIvz0JLl3xqW\n         UIPCTltf+g8ey5elbs9LGXALeggcJNQ3s5H7mezmzYMbePaEEuzNVfpP/NHMhG4dI2Ij\n         8r+PsH98AhXNjN6LcW7/GVV9UinNFB4ziW8n6it+u6F1ljRaYRZa/tDA2pFyG2YPO/+n\n         rVdA==","X-Forwarded-Encrypted":"i=1;\n AJvYcCUXG3LRkD+ndv2nBJvIDMiu1CYZ+TrKfgxF0yJ0RuTpCQnR92xXH+MgsDSBs/Koo6dQdKXbY4WRRjg8@vger.kernel.org","X-Gm-Message-State":"AOJu0YxRTExBJGCpcfKtnA6RCINLqyXnbcYwJVk946P5eRF41S8T5F7A\n\t7zUaEv8URxrFoHdHMiqOFBdvgmJXq47H+x27GUGz0H+KJsocfODXUX/n","X-Gm-Gg":"AZuq6aL3zBNoWzUT6izPstWxGrXwC6xu7te2JXD6vc0+f5f3jrrbyQ8y1cBzXXEAr3H\n\tpjLGYlqcGLPijyynPuUYQwRBWJykdlBnsAP7BfMOioej+gzQtgFu67xOe7H3Yep1SMRn9ajl08Y\n\tdWDqqTI7+rKz/HWTlgC+O0jHaENPNjuLde5zP6kO7JvNNn9TlyYHr+FJPPJJzuMDXzAeLqUwTZ5\n\tnYNJCfBCHzp/C0U5KTzb7Dbd5DKRe2TvHqbEnjnqp/rF7ah2V11+pN3nTVlzqVOPNyEKsfK+rmj\n\ttNyPeuDq3EbjpAJBXQ9fNBLCGPWzkxOfDfC+Qz8ihp8rGdgU2IvupjVvX4gVREVD47w6Nfm8Wik\n\tzLoeI0qwI8NTC2BEclzliUKdU6T//LVS4dcQgpuicBVasO6UwS83/iFdvoISkZMSLGaP3a6ggzI\n\t4RTDSxL7l1AWNVIMBGLaWUhRvpUX3wdPhBcqSO/ALxIwdbtz7AHcmnVlhp48cdJruWz6zNYiALB\n\tYecSMgPo0mMaMU=","X-Received":"by 2002:a05:7022:248b:b0:127:3b1b:c816 with SMTP id\n a92af1059eb24-12759a36a1bmr2420480c88.20.1771468175930;\n        Wed, 18 Feb 2026 18:29:35 -0800 (PST)","From":"Dmitry Torokhov <dmitry.torokhov@gmail.com>","To":"Jonathan Cameron <jic23@kernel.org>","Cc":"David Lechner <dlechner@baylibre.com>,\n =?utf-8?q?Nuno_S=C3=A1?= <nuno.sa@analog.com>,\n Andy Shevchenko <andy@kernel.org>, Linus Walleij <linusw@kernel.org>,\n Bartosz Golaszewski <brgl@kernel.org>, linux-iio@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org","Subject":"[PATCH v2 0/4] ti-ads7950: fix gpio handling and facelift","Date":"Wed, 18 Feb 2026 18:29:24 -0800","Message-ID":"<20260219022929.3558081-1-dmitry.torokhov@gmail.com>","X-Mailer":"git-send-email 2.53.0.335.g19a08e0c02-goog","Precedence":"bulk","X-Mailing-List":"linux-gpio@vger.kernel.org","List-Id":"<linux-gpio.vger.kernel.org>","List-Subscribe":"<mailto:linux-gpio+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-gpio+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"The original reason for this series is to make sure ti_ads7950_get()\nreturns result in range [0, 1] or a negative error code to comply with\ngpiolib requirement.\n\nDuring review David noticed the fact that the function also clobbers\ngpio state. Fixing that lead to adding cleanups using guard() and devm.\n\nv2:\n\n- style fixes in #1 (per David)\n- fix to not clobber state (#2, new)\n- #3 and #4 (new)\n\n\nDmitry Torokhov (4):\n  iio: adc: ti-ads7950: normalize return value of gpio_get\n  iio: adc: ti-ads7950: do not clobber gpio state in ti_ads7950_get()\n  iio: adc: ti-ads7950: switch to using guard() notation\n  iio: adc: ti-ads7950: complete conversion to using managed resources\n\n drivers/iio/adc/ti-ads7950.c | 206 +++++++++++++++--------------------\n 1 file changed, 90 insertions(+), 116 deletions(-)\n\nThanks."}