From patchwork Fri Mar 17 22:57:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 664682 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 4115DC76195 for ; Fri, 17 Mar 2023 22:57:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230380AbjCQW5W (ORCPT ); Fri, 17 Mar 2023 18:57:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230002AbjCQW5Q (ORCPT ); Fri, 17 Mar 2023 18:57:16 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17B722BF1A; Fri, 17 Mar 2023 15:57:15 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8A0E460C22; Fri, 17 Mar 2023 22:57:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 894A9C4331E; Fri, 17 Mar 2023 22:57:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679093833; bh=VIy8olwrlGICMSJRbSV49sc6H5GVSRN/zSVEjc1k0Ak=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dq2IlKXEfLtYs6s6s8Tjsnlk5m8gt3V+HRfoC0L5pv3LX9lFIe9UPCO04V96Pz2Ph xQfwdp5mE9X6oZiG8aGMIuwVaxBgBpGeJwCCXqFSsbSt91rXOewezFl1qxibQVP3+i WIlxrE91+ftcV4Ce4q1xOW8+6Aa/DWYs1vGoyVIeqRjlQ7wkj/aN+rDQcnZkzaMgXQ uGv3BqSfwulVfx4JyIE98jY8hvdRFmaa9N7X2Pq+2Rxl9M9s8dBgLwhZBhDGOuaMla xJqrtAwSNsUanIx/7brnKSsknFblKeK7R3fa3bNi+TfMKGRKING0u7npkCDAL41NAN A5ZoL9R4lb9WA== Received: by mercury (Postfix, from userid 1000) id 9F6AC1062115; Fri, 17 Mar 2023 23:57:08 +0100 (CET) From: Sebastian Reichel To: Sebastian Reichel Cc: Linus Walleij , Matti Vaittinen , Rob Herring , Krzysztof Kozlowski , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCHv3 13/14] power: supply: generic-adc-battery: improve error message Date: Fri, 17 Mar 2023 23:57:06 +0100 Message-Id: <20230317225707.1552512-14-sre@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230317225707.1552512-1-sre@kernel.org> References: <20230317225707.1552512-1-sre@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add device context and error code to the error messages to make it useful. Signed-off-by: Sebastian Reichel Reviewed-by: Linus Walleij Reviewed-by: Matti Vaittinen --- drivers/power/supply/generic-adc-battery.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c index df1c0a1c6b52..2fa946c93fb4 100644 --- a/drivers/power/supply/generic-adc-battery.c +++ b/drivers/power/supply/generic-adc-battery.c @@ -92,7 +92,7 @@ static int read_channel(struct gab *adc_bat, enum gab_chan_type channel, ret = iio_read_channel_processed(adc_bat->channel[channel], result); if (ret < 0) - pr_err("read channel error\n"); + dev_err(&adc_bat->psy->dev, "read channel error: %d\n", ret); else *result *= 1000;