From patchwork Mon Mar 27 08:34:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Nyekjaer X-Patchwork-Id: 13188842 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 01ADCC761A6 for ; Mon, 27 Mar 2023 09:06:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232454AbjC0JGl (ORCPT ); Mon, 27 Mar 2023 05:06:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232983AbjC0JFx (ORCPT ); Mon, 27 Mar 2023 05:05:53 -0400 Received: from www530.your-server.de (www530.your-server.de [188.40.30.78]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F7AE10FE for ; Mon, 27 Mar 2023 02:05:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=geanix.com; s=default2211; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date: Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References; bh=nlRe8f4/ag5dmmxfq8dbVSW6Imwp09NDX9J36bNmqcE=; b=1n9DpUdWR7h3HKncZodKxLLvt/ PmX3+2bFVlysh3j9qIRbC5G6/HPMQJavh1DU1tvIgnQAAR/p7Zb+/jENNUG/cDYYefi0Exxh+czVd y82FrJ/dJ9NiIbNLQAjCXG6eIOpHfNWVK436x4OwNTeJwQEnIDzmrCDFCZ05ZM2A8Z3fNZ7JwVq32 NQisL69TjgIKd9lmZUqRjc25fqOgQ+SoanQyihH5OZriZB3iZ9KSaGXLe5Cx9mXSXirolDKJKJfsy sAlWe+BKSvXmG2Trg8wNEjR0mQ/l1GIk9Vzny9OwL6CStRLw9JqCDcnj5jzrMifS1nlvLDmdE7JkA wy9ZnFyw==; Received: from sslproxy06.your-server.de ([78.46.172.3]) by www530.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pgiJo-000PcX-Bq; Mon, 27 Mar 2023 10:35:08 +0200 Received: from [185.17.218.86] (helo=zen..) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pgiJo-000H3h-1k; Mon, 27 Mar 2023 10:35:08 +0200 From: Sean Nyekjaer To: jic23@kernel.org, lars@metafoo.de, alexandre.torgue@foss.st.com, nuno.sa@analog.com Cc: Sean Nyekjaer , linux-iio@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH 1/3] iio: adc: stm32-adc: warn if dt uses legacy channel config Date: Mon, 27 Mar 2023 10:34:47 +0200 Message-Id: <20230327083449.1098174-1-sean@geanix.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-Authenticated-Sender: sean@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.8/26856/Mon Mar 27 09:24:05 2023) Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Since nearly all stm32 dt's are using the legacy adc channel config, we should warn users about using it. Signed-off-by: Sean Nyekjaer --- drivers/iio/adc/stm32-adc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 1aadb2ad2cab..d8e755d0cc52 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -1993,6 +1993,8 @@ static int stm32_adc_get_legacy_chan_count(struct iio_dev *indio_dev, struct stm const struct stm32_adc_info *adc_info = adc->cfg->adc_info; int num_channels = 0, ret; + dev_warn(&indio_dev->dev, "using legacy channel config\n"); + ret = device_property_count_u32(dev, "st,adc-channels"); if (ret > adc_info->max_channels) { dev_err(&indio_dev->dev, "Bad st,adc-channels?\n");