From patchwork Sat Aug 29 06:47:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11744051 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 7195916B1 for ; Sat, 29 Aug 2020 06:48:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 513F2214DB for ; Sat, 29 Aug 2020 06:48:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683691; bh=K83T+JXtESA0TpwgWdU6Z3Vl8lzC3/2+GqaR3PlsHoM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ykdptq72gbcmqVSnvQCFmU/8U3p2hn/nGX/YP8v/1S2V1r9FZp/iIQcaVg0gZTWNS sMJWkXVzTu11RjH+795g4fRnZTajj9pMUrM+D/Ghgs9KP5E8Qe3Cu2Q7uGlPpQ3sYZ nrD7m1YwVEYFZcDpqwF+V7j0+UB/ZdkSBZbd7+0E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726559AbgH2GsK (ORCPT ); Sat, 29 Aug 2020 02:48:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:40374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725886AbgH2GsJ (ORCPT ); Sat, 29 Aug 2020 02:48:09 -0400 Received: from localhost.localdomain (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1B5D92137B; Sat, 29 Aug 2020 06:48:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683689; bh=K83T+JXtESA0TpwgWdU6Z3Vl8lzC3/2+GqaR3PlsHoM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zTVALHupfoniHQUm20051KrWI84bHOmJyP/hwatzCG0rANIzfPOmJmaqR/DuaU+Wm tS4bqbiP8NA8TnXPOl7PzZCRf+Wa4eN8qkd9N3p91VtViDeCGp411Qr2EAHqVhuJbF wbxeZaRfF2FHkTRRyevIzHU3ERkdVU8P5FZhMG3w= From: Krzysztof Kozlowski To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Peter Rosin , Michael Hennerich , Marek Vasut , Tomasz Duszynski , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Cc: Andy Shevchenko , Krzysztof Kozlowski Subject: [PATCH v3 02/18] iio: accel: mma8452: Simplify with dev_err_probe() Date: Sat, 29 Aug 2020 08:47:10 +0200 Message-Id: <20200829064726.26268-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200829064726.26268-1-krzk@kernel.org> References: <20200829064726.26268-1-krzk@kernel.org> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Andy Shevchenko --- drivers/iio/accel/mma8452.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 4e6e70250048..104b87b98455 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1538,22 +1538,14 @@ static int mma8452_probe(struct i2c_client *client, data->chip_info = match->data; data->vdd_reg = devm_regulator_get(&client->dev, "vdd"); - if (IS_ERR(data->vdd_reg)) { - if (PTR_ERR(data->vdd_reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "failed to get VDD regulator!\n"); - return PTR_ERR(data->vdd_reg); - } + if (IS_ERR(data->vdd_reg)) + return dev_err_probe(&client->dev, PTR_ERR(data->vdd_reg), + "failed to get VDD regulator!\n"); data->vddio_reg = devm_regulator_get(&client->dev, "vddio"); - if (IS_ERR(data->vddio_reg)) { - if (PTR_ERR(data->vddio_reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "failed to get VDDIO regulator!\n"); - return PTR_ERR(data->vddio_reg); - } + if (IS_ERR(data->vddio_reg)) + return dev_err_probe(&client->dev, PTR_ERR(data->vddio_reg), + "failed to get VDDIO regulator!\n"); ret = regulator_enable(data->vdd_reg); if (ret) {