From patchwork Tue Jun 6 19:13:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 690422 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 0D931C7EE24 for ; Tue, 6 Jun 2023 19:14:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239549AbjFFTOA (ORCPT ); Tue, 6 Jun 2023 15:14:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239186AbjFFTNo (ORCPT ); Tue, 6 Jun 2023 15:13:44 -0400 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E45881728 for ; Tue, 6 Jun 2023 12:13:13 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id 38308e7fff4ca-2b1bb2fc9c6so47965481fa.0 for ; Tue, 06 Jun 2023 12:13:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686078792; x=1688670792; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ZA9rQfuTuqMm7L4rY7JdHmHFP9ipyFjfGT8l696KaLE=; b=vLc1ML2qr3C12ZYpWpoyaYhHj0XIOe8Njbe6tedoFST7tai7/M5t+EDQudAS5OF5fI 7os6Kmn0Lyc+boAbg8vRBciqi1msjsu72IBo8fyoCX3Ov7MfKtvFAAQ9pgEZQS8JblJ+ xviNlYe/0EGavOwUWR0njwHprykxc2mjk6qfpv3zoSLZzg7ir9YAurVfpHQrF1xQqdtZ yJ3ZaEy9YLUqs59eZAXtlQyOzQfrEpgTfRfzthTKl+AX7APrE8TXh1BDH2jtg4wri7HH n2+U2ccLFQKoU6Qtxw7KrK31/upkrfDpOWeWCVNGPZcDO1KMkiO5dIPtCvRkimqSeJN+ k2+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686078792; x=1688670792; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ZA9rQfuTuqMm7L4rY7JdHmHFP9ipyFjfGT8l696KaLE=; b=WEJLNNrM8piyddOA08ncMXnz1v1dkuZoGAvlLCH6lRZHYIEBI+ZoYjpdaMjE0mGWQN SLEPs/TiIhlDfuKKvGF62cFSmXjvuIuxAG7jZk23NXAKWYkM0vi4H39Dy/8utysXa3+C hQixJCo7HWFT4eFcSxt4ZlSzFrG2yFt1+PL7klH2VujvvxKNdpoU6RGQFUF6XS04kYo3 qQ8YdwDfB2mASKwjDgwDa6MaGQE2Nhr2z7LSorBI3X5dqd4maxdZTD+MOo/2oO1SHM5c IOOMKcXZT0fWanLFnQrGQ8VDDxqCCFpuWCd/nfA80Ufj1SmPIqhRSbWCrUodxlS3Z5Cz /DTA== X-Gm-Message-State: AC+VfDwDcuRJhblycDsjlJ0g4Q2f1V+sArEijrkwib64Y2lQKKZ2kEyA /jyaB/iYlaTR3ExNr13UotKFCA== X-Google-Smtp-Source: ACHHUZ5hIzfSf9Id8op7bMrggT6dyfvWxlvGZYvBblpZ5phSJdaSXH7BjMIp7vBZT6Idca1Nd8MtHg== X-Received: by 2002:a2e:b0e1:0:b0:2b0:4c72:98ff with SMTP id h1-20020a2eb0e1000000b002b04c7298ffmr1440823ljl.7.1686078792034; Tue, 06 Jun 2023 12:13:12 -0700 (PDT) Received: from Fecusia.lan (c-05d8225c.014-348-6c756e10.bbcust.telenor.se. [92.34.216.5]) by smtp.gmail.com with ESMTPSA id z19-20020a2e8853000000b002af15f2a735sm1972480ljj.111.2023.06.06.12.13.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 12:13:11 -0700 (PDT) From: Linus Walleij To: Aaro Koskinen , Janusz Krzysztofik , Tony Lindgren , soc@kernel.org, Dmitry Torokhov Cc: linux-omap@vger.kernel.org, linux-input@vger.kernel.org, Linus Walleij , Guenter Roeck Subject: [PATCH] Input: ads7846 - Fix usage of match data Date: Tue, 6 Jun 2023 21:13:04 +0200 Message-Id: <20230606191304.3804174-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org device_get_match_data() returns the match data directly, fix this up and fix the probe crash. Fixes: 767d83361aaa ("Input: ads7846 - Convert to use software nodes") Reported-by: Guenter Roeck Signed-off-by: Linus Walleij --- This patch needs to be applied to the SoC tree where the offending patch is residing. --- drivers/input/touchscreen/ads7846.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 40eb27f1b23f..fe6fe8acd8a6 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -1117,20 +1117,13 @@ MODULE_DEVICE_TABLE(of, ads7846_dt_ids); static const struct ads7846_platform_data *ads7846_get_props(struct device *dev) { struct ads7846_platform_data *pdata; - const struct platform_device_id *pdev_id; u32 value; - pdev_id = device_get_match_data(dev); - if (!pdev_id) { - dev_err(dev, "Unknown device model\n"); - return ERR_PTR(-EINVAL); - } - pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return ERR_PTR(-ENOMEM); - pdata->model = (unsigned long)pdev_id->driver_data; + pdata->model = (u32)device_get_match_data(dev); device_property_read_u16(dev, "ti,vref-delay-usecs", &pdata->vref_delay_usecs);