From patchwork Wed May 13 09:22:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jishnu Prakash X-Patchwork-Id: 11545459 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2632A90 for ; Wed, 13 May 2020 09:24:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EEFC206A5 for ; Wed, 13 May 2020 09:24:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="iTnDHQzB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728678AbgEMJYE (ORCPT ); Wed, 13 May 2020 05:24:04 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:36577 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732463AbgEMJYD (ORCPT ); Wed, 13 May 2020 05:24:03 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1589361842; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=TFrgDbbKZBm6NPQL5mWJzkI/vXhkytHX3yOOZfCUOjo=; b=iTnDHQzBWLX+DD7Lo1vS3kBvrjjtLZVHNvTfm7kkWanAlEjIGOUboYx1mDxCZhGnOmEGX53Q zuXyuojGltAMTDQW71/ZBWI3nlrWf98ejDDrG4RiKOlin6Vf5wKuXUrRhq0RpC6i3uVeLLWC bQ9bFx5bnukAUmL7t9z/Wnh0Fus= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5ebbbca4.7f1f1bb1ec70-smtp-out-n04; Wed, 13 May 2020 09:23:48 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 5DF85C4478F; Wed, 13 May 2020 09:23:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from jprakash-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jprakash) by smtp.codeaurora.org (Postfix) with ESMTPSA id 217B0C433BA; Wed, 13 May 2020 09:23:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 217B0C433BA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=jprakash@codeaurora.org From: Jishnu Prakash To: agross@kernel.org, bjorn.andersson@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mka@chromium.org, linus.walleij@linaro.org, Jonathan.Cameron@huawei.com, andy.shevchenko@gmail.com, amit.kucheria@verdurent.com, smohanad@codeaurora.org, kgunda@codeaurora.org, aghayal@codeaurora.org, Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-arm-msm@vger.kernel.org, linux-iio@vger.kernel.org Cc: linux-arm-msm-owner@vger.kernel.org, Jishnu Prakash Subject: [PATCH V4 4/5] iio: adc: Update error checks and debug prints Date: Wed, 13 May 2020 14:52:15 +0530 Message-Id: <1589361736-816-5-git-send-email-jprakash@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1589361736-816-1-git-send-email-jprakash@codeaurora.org> References: <1589361736-816-1-git-send-email-jprakash@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Change pr_err/pr_debug statements to dev_err/dev_dbg for increased clarity. Also clean up some return value checks. Signed-off-by: Jishnu Prakash --- drivers/iio/adc/qcom-spmi-adc5.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c index 6d6b611..974073f 100644 --- a/drivers/iio/adc/qcom-spmi-adc5.c +++ b/drivers/iio/adc/qcom-spmi-adc5.c @@ -249,11 +249,11 @@ static int adc5_read_voltage_data(struct adc5_chip *adc, u16 *data) *data = (rslt_msb << 8) | rslt_lsb; if (*data == ADC5_USR_DATA_CHECK) { - pr_err("Invalid data:0x%x\n", *data); + dev_err(adc->dev, "Invalid data:0x%x\n", *data); return -EINVAL; } - pr_debug("voltage raw code:0x%x\n", *data); + dev_dbg(adc->dev, "voltage raw code:0x%x\n", *data); return 0; } @@ -304,7 +304,7 @@ static int adc5_configure(struct adc5_chip *adc, /* Read registers 0x42 through 0x46 */ ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf)); - if (ret < 0) + if (ret) return ret; /* Digital param selection */ @@ -344,7 +344,7 @@ static int adc7_configure(struct adc5_chip *adc, return ret; ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf)); - if (ret < 0) + if (ret) return ret; /* Digital param selection */ @@ -385,24 +385,24 @@ static int adc5_do_conversion(struct adc5_chip *adc, ret = adc5_configure(adc, prop); if (ret) { - pr_err("ADC configure failed with %d\n", ret); + dev_err(adc->dev, "ADC configure failed with %d\n", ret); goto unlock; } if (adc->poll_eoc) { ret = adc5_poll_wait_eoc(adc); if (ret < 0) { - pr_err("EOC bit not set\n"); + dev_err(adc->dev, "EOC bit not set\n"); goto unlock; } } else { ret = wait_for_completion_timeout(&adc->complete, ADC5_CONV_TIMEOUT); if (!ret) { - pr_debug("Did not get completion timeout.\n"); + dev_dbg(adc->dev, "Did not get completion timeout.\n"); ret = adc5_poll_wait_eoc(adc); if (ret < 0) { - pr_err("EOC bit not set\n"); + dev_err(adc->dev, "EOC bit not set\n"); goto unlock; } } @@ -435,7 +435,7 @@ static int adc7_do_conversion(struct adc5_chip *adc, wait_for_completion_timeout(&adc->complete, ADC7_CONV_TIMEOUT); ret = adc5_read(adc, ADC5_USR_STATUS1, &status, 1); - if (ret < 0) + if (ret) goto unlock; if (status & ADC5_USR_STATUS1_CONV_FAULT) { @@ -481,8 +481,8 @@ static int adc7_of_xlate(struct iio_dev *indio_dev, int i, v_channel; for (i = 0; i < adc->nchannels; i++) { - v_channel = (adc->chan_props[i].sid << ADC_CHANNEL_OFFSET | - adc->chan_props[i].channel); + v_channel = (adc->chan_props[i].sid << ADC_CHANNEL_OFFSET) | + adc->chan_props[i].channel; if (v_channel == iiospec->args[0]) return i; } @@ -728,7 +728,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc, channel_name = of_get_property(node, "label", NULL) ? : node->name; if (!channel_name) { - pr_err("Invalid channel name\n"); + dev_err(dev, "Invalid channel name\n"); return -EINVAL; } prop->datasheet_name = channel_name; @@ -766,12 +766,12 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc, ret = adc5_read(adc, ADC5_USR_REVISION1, dig_version, sizeof(dig_version)); - if (ret < 0) { + if (ret) { dev_err(dev, "Invalid dig version read %d\n", ret); return ret; } - pr_debug("dig_ver:minor:%d, major:%d\n", dig_version[0], + dev_dbg(dev, "dig_ver:minor:%d, major:%d\n", dig_version[0], dig_version[1]); /* Digital controller >= 5.3 have hw_settle_2 option */ if ((dig_version[0] >= ADC5_HW_SETTLE_DIFF_MINOR && @@ -975,7 +975,7 @@ static int adc5_probe(struct platform_device *pdev) ret = adc5_get_dt_data(adc, node); if (ret) { - pr_err("adc get dt data failed\n"); + dev_err(dev, "adc get dt data failed\n"); return ret; }