From mboxrd@z Thu Jan 1 00:00:00 1970 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 85315E95A95 for ; Mon, 9 Oct 2023 13:43:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346505AbjJINnL (ORCPT ); Mon, 9 Oct 2023 09:43:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346443AbjJINnK (ORCPT ); Mon, 9 Oct 2023 09:43:10 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 067B19D for ; Mon, 9 Oct 2023 06:43:09 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4665AC433C8; Mon, 9 Oct 2023 13:43:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696858988; bh=K+ffzTyNcnb+xea8TclQM5gI2ZkdJSnE1cgmrCYM9YU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fxTpau99uJ4Z2z1eF99EUHq/MpQ8/qrcIsOC+M/gG8O4kTE1W7YusdHyTiNBSjfjT frBlTszeh53vik8vESYNm5kX2PPkIb1ThcwrLLBJxx4PLb4Yb6Oj7NU2UB8l4Xu7sV CbbBEZ3zP4mtjSW1Jlc3wB5Tmb++gLMZPvNjn1mE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dinghao Liu , Mark Brown , Sasha Levin Subject: [PATCH 5.10 164/226] spi: spi-zynqmp-gqspi: Fix runtime PM imbalance in zynqmp_qspi_probe Date: Mon, 9 Oct 2023 15:02:05 +0200 Message-ID: <20231009130130.959156677@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231009130126.697995596@linuxfoundation.org> References: <20231009130126.697995596@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dinghao Liu [ Upstream commit a21fbc42807b15b74b0891bd557063e6acf4fcae ] When platform_get_irq() fails, a pairing PM usage counter increment is needed to keep the counter balanced. It's the same for the following error paths. Signed-off-by: Dinghao Liu Link: https://lore.kernel.org/r/20210408092559.3824-1-dinghao.liu@zju.edu.cn Signed-off-by: Mark Brown Stable-dep-of: 1527b076ae2c ("spi: zynqmp-gqspi: fix clock imbalance on probe failure") Signed-off-by: Sasha Levin --- drivers/spi/spi-zynqmp-gqspi.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 3d3ac48243ebd..ed68e237314fb 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1147,11 +1147,16 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT); pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); + + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to pm_runtime_get_sync: %d\n", ret); + goto clk_dis_all; + } + /* QSPI controller initializations */ zynqmp_qspi_init_hw(xqspi); - pm_runtime_mark_last_busy(&pdev->dev); - pm_runtime_put_autosuspend(&pdev->dev); xqspi->irq = platform_get_irq(pdev, 0); if (xqspi->irq <= 0) { ret = -ENXIO; @@ -1178,6 +1183,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) ctlr->mode_bits = SPI_CPOL | SPI_CPHA | SPI_RX_DUAL | SPI_RX_QUAD | SPI_TX_DUAL | SPI_TX_QUAD; ctlr->dev.of_node = np; + ctlr->auto_runtime_pm = true; ret = devm_spi_register_controller(&pdev->dev, ctlr); if (ret) { @@ -1185,9 +1191,13 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) goto clk_dis_all; } + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + return 0; clk_dis_all: + pm_runtime_put_sync(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(&pdev->dev); clk_disable_unprepare(xqspi->refclk); -- 2.40.1