From patchwork Tue Jan 9 14:48:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Escande X-Patchwork-Id: 10152481 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EDEFB60223 for ; Tue, 9 Jan 2018 14:50:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DAD5228A39 for ; Tue, 9 Jan 2018 14:50:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D9A3E28633; Tue, 9 Jan 2018 14:50:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8731A28633 for ; Tue, 9 Jan 2018 14:50:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CM9+Qwhjtr2WTHyDJTz9Lgk9+/D1f7Kl20WFaoPonnM=; b=OIbcUhVomNIWhJ 0wmCQS3XgigEO5MvBifRXXmvQzBtiqCz0lK+ylNp1FMilzBFKHvXRked2ePhqTfCz+cg0LXNeRJJF Pz5BY9ydaOTjDRIXAv+uEzaj6HmKlzWa49eZMULsih1bkWPbXWUtIqz/v3S+4dEIdFm5a8u9IbedB QKKDMQxh8zZH6QisYa2XWJeCg4OMwiKG38Nq6hB5LLVavwu3u26XmbVqOkVh++E/jkbLHAd1wKNzk cubNosisNMfInIdPdtYWVLH4COD+DPihRedGkcA+QnMsrBGd1SgWJYUtFFhs3sJh515HQFVmRBDXA EuEIvrhXCEB9hZ/0tApQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eYvE7-0003Y2-R5; Tue, 09 Jan 2018 14:50:07 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eYvDb-00038a-8R for linux-rockchip@lists.infradead.org; Tue, 09 Jan 2018 14:49:38 +0000 Received: from localhost.localdomain (unknown [IPv6:2a01:e35:8a7e:4790:89bd:7dd:e56e:3a92]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: tescande) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id AC2E9271BEA; Tue, 9 Jan 2018 14:49:21 +0000 (GMT) From: Thierry Escande To: Rob Herring , Archit Taneja , Daniel Vetter , Neil Armstrong , Laurent Pinchart , Sandy Huang Subject: [PATCH v7 4/8] drm/rockchip: dw-mipi-dsi: Fix error handling path Date: Tue, 9 Jan 2018 15:48:49 +0100 Message-Id: <20180109144853.32536-5-thierry.escande@collabora.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180109144853.32536-1-thierry.escande@collabora.com> References: <20180109144853.32536-1-thierry.escande@collabora.com> MIME-Version: 1.0 Content-Transfert-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180109_064935_579102_3C73D615 X-CRM114-Status: UNSURE ( 8.30 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rockchip@lists.infradead.org, Jeffy Chen , Sean Paul , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jeffy Chen Add missing pm_runtime_disable() in bind()'s error handling path. Also cleanup encoder & connector in unbind(). Fixes: 80a9a059d4e4 ("drm/rockchip/dsi: add dw-mipi power domain support") Signed-off-by: Jeffy Chen Signed-off-by: Thierry Escande --- drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index b1fe0639227e..78e6b7919bf7 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -1282,7 +1282,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, ret = dw_mipi_dsi_register(drm, dsi); if (ret) { DRM_DEV_ERROR(dev, "Failed to register mipi_dsi: %d\n", ret); - goto err_pllref; + goto err_disable_pllref; } dsi->dsi_host.ops = &dw_mipi_dsi_host_ops; @@ -1290,24 +1290,25 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, ret = mipi_dsi_host_register(&dsi->dsi_host); if (ret) { DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret); - goto err_cleanup; + goto err_disable_pm_runtime; } if (!dsi->panel) { ret = -EPROBE_DEFER; - goto err_mipi_dsi_host; + goto err_unreg_mipi_dsi_host; } dev_set_drvdata(dev, dsi); pm_runtime_enable(dev); return 0; -err_mipi_dsi_host: +err_unreg_mipi_dsi_host: mipi_dsi_host_unregister(&dsi->dsi_host); -err_cleanup: - drm_encoder_cleanup(&dsi->encoder); - drm_connector_cleanup(&dsi->connector); -err_pllref: +err_disable_pm_runtime: + pm_runtime_disable(dev); + dsi->connector.funcs->destroy(&dsi->connector); + dsi->encoder.funcs->destroy(&dsi->encoder); +err_disable_pllref: clk_disable_unprepare(dsi->pllref_clk); return ret; } @@ -1319,6 +1320,10 @@ static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, mipi_dsi_host_unregister(&dsi->dsi_host); pm_runtime_disable(dev); + + dsi->connector.funcs->destroy(&dsi->connector); + dsi->encoder.funcs->destroy(&dsi->encoder); + clk_disable_unprepare(dsi->pllref_clk); }