From patchwork Tue Apr 19 13:37:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 12818463 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 1F779C433EF for ; Tue, 19 Apr 2022 13:46:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351369AbiDSNs5 (ORCPT ); Tue, 19 Apr 2022 09:48:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353004AbiDSNru (ORCPT ); Tue, 19 Apr 2022 09:47:50 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31BD239839; Tue, 19 Apr 2022 06:42:06 -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 ams.source.kernel.org (Postfix) with ESMTPS id 88111B81986; Tue, 19 Apr 2022 13:42:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D256C385A5; Tue, 19 Apr 2022 13:41:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650375722; bh=b8M7Htp8PC1M3UqN4COpkh3W696Svq9K1vaNWm/6ehg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WO+hx1jvcO8sNvVYXwtk9yzViyIi/AeD0vyEdyCzAJ0epFG3OGq2Fn7Q2EGQVFZtL lxuUOfpn5uHFQi9GsZUgd6pDtHMGP4raATiMUNW5ZDgt1Mx2Nw3Wma2I/LO2HpIx7E xUcwEuvzj7umr7FkY4CRlMIXjMQvfrB/eUY+gzYzcxeP8V0TSSePzn/s5Bzv+cR+NL E7plBnP5gpO17xOQMhGm9BvxgJ5ifb3qFbpNxGlNnaeWblY970wnie8dXu9AYsKFAH ZR4rCJZff8i/YehkU19EDTDNz/bmaatCQOWZ7ZUnBrKD8BeNNfnxpY761tWUDxDIY6 FSC+791LABy0A== From: Arnd Bergmann To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Cc: Arnd Bergmann , Russell King , Paul Walmsley , Kevin Hilman , Peter Ujfalusi , Vinod Koul , Dmitry Torokhov , Ulf Hansson , Dominik Brodowski , Mark Brown , Felipe Balbi , Alan Stern , Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , Linus Walleij , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dmaengine@vger.kernel.org, linux-input@vger.kernel.org, linux-mmc@vger.kernel.org, linux-serial@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 35/41] usb: host: ohci-omap: Make it CCF clk API compatible Date: Tue, 19 Apr 2022 15:37:17 +0200 Message-Id: <20220419133723.1394715-36-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> References: <20220419133723.1394715-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Janusz Krzysztofik The driver, OMAP1 specific, now omits clk_prepare/unprepare() steps, not supported by OMAP1 custom implementation of clock API. However, non-CCF stubs of those functions exist for use on such platforms until converted to CCF. Update the driver to be compatible with CCF implementation of clock API. Signed-off-by: Janusz Krzysztofik Acked-by: Alan Stern Signed-off-by: Arnd Bergmann --- drivers/usb/host/ohci-omap.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 069791d25abb..f5bc9c8bdc9a 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -259,6 +259,10 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev) goto err_put_hcd; } + retval = clk_prepare(priv->usb_host_ck); + if (retval) + goto err_put_host_ck; + if (!cpu_is_omap15xx()) priv->usb_dc_ck = clk_get(&pdev->dev, "usb_dc_ck"); else @@ -266,13 +270,17 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev) if (IS_ERR(priv->usb_dc_ck)) { retval = PTR_ERR(priv->usb_dc_ck); - goto err_put_host_ck; + goto err_unprepare_host_ck; } + retval = clk_prepare(priv->usb_dc_ck); + if (retval) + goto err_put_dc_ck; + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { dev_dbg(&pdev->dev, "request_mem_region failed\n"); retval = -EBUSY; - goto err_put_dc_ck; + goto err_unprepare_dc_ck; } hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); @@ -297,8 +305,12 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev) iounmap(hcd->regs); err2: release_mem_region(hcd->rsrc_start, hcd->rsrc_len); +err_unprepare_dc_ck: + clk_unprepare(priv->usb_dc_ck); err_put_dc_ck: clk_put(priv->usb_dc_ck); +err_unprepare_host_ck: + clk_unprepare(priv->usb_host_ck); err_put_host_ck: clk_put(priv->usb_host_ck); err_put_hcd: @@ -333,7 +345,9 @@ static int ohci_hcd_omap_remove(struct platform_device *pdev) } iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); + clk_unprepare(priv->usb_dc_ck); clk_put(priv->usb_dc_ck); + clk_unprepare(priv->usb_host_ck); clk_put(priv->usb_host_ck); usb_put_hcd(hcd); return 0;