From patchwork Wed May 12 14:43:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 438618 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F841C43600 for ; Wed, 12 May 2021 15:21:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E322D6199E for ; Wed, 12 May 2021 15:21:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233369AbhELPWc (ORCPT ); Wed, 12 May 2021 11:22:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:60804 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234715AbhELPUc (ORCPT ); Wed, 12 May 2021 11:20:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DE10D6199E; Wed, 12 May 2021 15:08:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620832116; bh=aavuMoAmsTtU9NsiQA63lzinfEBT2PLkjb9/vgJa9jA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kBxlCw6k26eULBAIfUKJV/098xaIgk1tbYfkE3/z6YXhqxfoJFnBdEBr5pRj/YIMb XHLPsjPfuOoaFFoP1dbbpgxr0b8vnB4t5gZpGXT2kxQgr/yPtdFX3kYynPpxxh3Lg5 RPoKVJ7SqzgxmkApwtJ+jB1ptUVN3aO0olUveYHg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Luca Ceresoli , Moritz Fischer , Sasha Levin Subject: [PATCH 5.10 114/530] fpga: fpga-mgr: xilinx-spi: fix error messages on -EPROBE_DEFER Date: Wed, 12 May 2021 16:43:44 +0200 Message-Id: <20210512144823.544030771@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144819.664462530@linuxfoundation.org> References: <20210512144819.664462530@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Luca Ceresoli [ Upstream commit 484a58607a808c3721917f5ca5fba7eff809e4df ] The current code produces an error message on devm_gpiod_get() errors even when the error is -EPROBE_DEFER, which should be silent. This has been observed producing a significant amount of messages like: xlnx-slave-spi spi1.1: Failed to get PROGRAM_B gpio: -517 Fix and simplify code by using the dev_err_probe() helper function. Signed-off-by: Luca Ceresoli Fixes: dd2784c01d93 ("fpga manager: xilinx-spi: check INIT_B pin during write_init") Fixes: 061c97d13f1a ("fpga manager: Add Xilinx slave serial SPI driver") Signed-off-by: Moritz Fischer Signed-off-by: Sasha Levin --- drivers/fpga/xilinx-spi.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/drivers/fpga/xilinx-spi.c b/drivers/fpga/xilinx-spi.c index 824abbbd631e..d3e6f41e78bf 100644 --- a/drivers/fpga/xilinx-spi.c +++ b/drivers/fpga/xilinx-spi.c @@ -233,25 +233,19 @@ static int xilinx_spi_probe(struct spi_device *spi) /* PROGRAM_B is active low */ conf->prog_b = devm_gpiod_get(&spi->dev, "prog_b", GPIOD_OUT_LOW); - if (IS_ERR(conf->prog_b)) { - dev_err(&spi->dev, "Failed to get PROGRAM_B gpio: %ld\n", - PTR_ERR(conf->prog_b)); - return PTR_ERR(conf->prog_b); - } + if (IS_ERR(conf->prog_b)) + return dev_err_probe(&spi->dev, PTR_ERR(conf->prog_b), + "Failed to get PROGRAM_B gpio\n"); conf->init_b = devm_gpiod_get_optional(&spi->dev, "init-b", GPIOD_IN); - if (IS_ERR(conf->init_b)) { - dev_err(&spi->dev, "Failed to get INIT_B gpio: %ld\n", - PTR_ERR(conf->init_b)); - return PTR_ERR(conf->init_b); - } + if (IS_ERR(conf->init_b)) + return dev_err_probe(&spi->dev, PTR_ERR(conf->init_b), + "Failed to get INIT_B gpio\n"); conf->done = devm_gpiod_get(&spi->dev, "done", GPIOD_IN); - if (IS_ERR(conf->done)) { - dev_err(&spi->dev, "Failed to get DONE gpio: %ld\n", - PTR_ERR(conf->done)); - return PTR_ERR(conf->done); - } + if (IS_ERR(conf->done)) + return dev_err_probe(&spi->dev, PTR_ERR(conf->done), + "Failed to get DONE gpio\n"); mgr = devm_fpga_mgr_create(&spi->dev, "Xilinx Slave Serial FPGA Manager",