From patchwork Tue May 2 10:38:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13228763 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 CFF03C7EE21 for ; Tue, 2 May 2023 10:39:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233946AbjEBKjh (ORCPT ); Tue, 2 May 2023 06:39:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234029AbjEBKjL (ORCPT ); Tue, 2 May 2023 06:39:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7592F3586; Tue, 2 May 2023 03:38:51 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0E14D622DB; Tue, 2 May 2023 10:38:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67857C4339B; Tue, 2 May 2023 10:38:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1683023930; bh=R7UAdwqbV3UuM3O7wDNuryWZu1psAQNZrWV73HlxA/8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rOHMAG4G6EUpMa7NyB//qgND9I1hG3Ze5d3EQcth9b56Ct2/bDjwnPt4o5X5gSXV3 cjZGWLzXFPIsCnAMqfuMF3SfVrDsDzythuLBwKLoaraXpcZDrH3MMUvG1I4aDn07Jt IGDjAuJpglgXldLF8mCgQonzlWkNrfja5JP+X+WV3HQRfR+iJ5P94uDTO8sc/HikZG Q96DU5hK1yDLmH8yOOEyfU4qR1PdHYWIleemrB5OC9Yy38+LPWVOtH+b2xSlj1Q8nh KUCjtNkW+EVtxWvtpc52Ds0/Gzbcy22exihqD/dNcvcZ7QNvQ5G4yYkZvaBJ4sU+Il OHOMs0y4ZLfWQ== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1ptnPJ-00038z-70; Tue, 02 May 2023 12:38:53 +0200 From: Johan Hovold To: Vinod Koul , Kishon Vijay Abraham I Cc: Bjorn Andersson , Andy Gross , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH 2/2] phy: qcom-qmp-pcie-msm8996: fix init-count imbalance Date: Tue, 2 May 2023 12:38:10 +0200 Message-Id: <20230502103810.12061-3-johan+linaro@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230502103810.12061-1-johan+linaro@kernel.org> References: <20230502103810.12061-1-johan+linaro@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The init counter is not decremented on initialisation errors, which prevents retrying initialisation. Add the missing decrement on initialisation errors so that the counter reflects the state of the device. Fixes: e78f3d15e115 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets") Cc: stable@vger.kernel.org # 4.12 Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c index 09824be088c9..0c603bc06e09 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c @@ -379,7 +379,7 @@ static int qmp_pcie_msm8996_com_init(struct qmp_phy *qphy) ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); if (ret) { dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret); - goto err_unlock; + goto err_decrement_count; } ret = reset_control_bulk_assert(cfg->num_resets, qmp->resets); @@ -409,7 +409,8 @@ static int qmp_pcie_msm8996_com_init(struct qmp_phy *qphy) reset_control_bulk_assert(cfg->num_resets, qmp->resets); err_disable_regulators: regulator_bulk_disable(cfg->num_vregs, qmp->vregs); -err_unlock: +err_decrement_count: + qmp->init_count--; mutex_unlock(&qmp->phy_mutex); return ret;