From patchwork Tue Sep 1 15:27:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11749135 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 29C3E1709 for ; Tue, 1 Sep 2020 16:39:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0998620767 for ; Tue, 1 Sep 2020 16:39:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598978346; bh=NaQTcz4Nx7tejgYOZkje1gbrDOO+iWUUqbxrXjzVwak=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dFTZOgXFxGBFlRJMghQ3ltZ+WW1+qXB0tkobXJaJ6gnxu3lQbAnc3ouWVK8YvrSbY YBWSKW6FrHcqNYDDhZWRTEmWvMqCYXR+Z/aRa444sA2qyVBXaUQt6SnkAUiwhnQbXj +duGyuYPUrcdbdpF95KsObYDNOCrgUcS+cbiyUgs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730045AbgIAQjE (ORCPT ); Tue, 1 Sep 2020 12:39:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:57214 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729702AbgIAP2m (ORCPT ); Tue, 1 Sep 2020 11:28:42 -0400 Received: from kozik-lap.mshome.net (unknown [194.230.155.106]) (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 ABB7D214D8; Tue, 1 Sep 2020 15:28:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974117; bh=NaQTcz4Nx7tejgYOZkje1gbrDOO+iWUUqbxrXjzVwak=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ysl+WcfJY4JrmGMlfKduw86YoqyKEsHDVyFgGTtIScPzzBT8pfyFC3CEd0TkFQwCU SLGsGIXMQSRI4a7MxNOyzQRog+SMTTGwNq3wLLPq18fHesHTWrj0k5lKNQ4reIlUCZ cn1+8VuKHP+mw5xjf3WYuTg45e33rJenTaZhTKR8= From: Krzysztof Kozlowski To: Tudor Ambarus , Mark Brown , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Andy Gross , Bjorn Andersson , Orson Zhai , Baolin Wang , Chunyan Zhang , Maxime Coquelin , Alexandre Torgue , Masahisa Kojima , Jassi Brar , Laxman Dewangan , Thierry Reding , Jonathan Hunter , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 10/11] spi: tegra114: Simplify with dev_err_probe() Date: Tue, 1 Sep 2020 17:27:12 +0200 Message-Id: <20200901152713.18629-10-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200901152713.18629-1-krzk@kernel.org> References: <20200901152713.18629-1-krzk@kernel.org> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski --- drivers/spi/spi-tegra114.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index c2c58871a947..ca6886aaa519 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -664,16 +664,11 @@ static int tegra_spi_init_dma_param(struct tegra_spi_data *tspi, struct dma_chan *dma_chan; u32 *dma_buf; dma_addr_t dma_phys; - int ret; dma_chan = dma_request_chan(tspi->dev, dma_to_memory ? "rx" : "tx"); - if (IS_ERR(dma_chan)) { - ret = PTR_ERR(dma_chan); - if (ret != -EPROBE_DEFER) - dev_err(tspi->dev, - "Dma channel is not available: %d\n", ret); - return ret; - } + if (IS_ERR(dma_chan)) + return dev_err_probe(tspi->dev, PTR_ERR(dma_chan), + "Dma channel is not available\n"); dma_buf = dma_alloc_coherent(tspi->dev, tspi->dma_buf_size, &dma_phys, GFP_KERNEL);