From patchwork Sun Mar 29 10:48:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King \(Oracle\)" X-Patchwork-Id: 207143 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=unavailable 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 05712C2D0EB for ; Sun, 29 Mar 2020 10:48:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C20D12082E for ; Sun, 29 Mar 2020 10:48:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="jF9Yd5vV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728020AbgC2Ksa (ORCPT ); Sun, 29 Mar 2020 06:48:30 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:35648 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727972AbgC2Ksa (ORCPT ); Sun, 29 Mar 2020 06:48:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:To:From:References:In-Reply-To :Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=fDxFOVlMCyOGehYYYAC/qV8jV1DTDosFgHZObj8sD4E=; b=jF9Yd5vVNjmTFZW9qQ2dGkTrEs rzEbH3EM1ym7PA0E4cHPnC7/kcQ6/XV6b1JTJdj9OxK72Hxkm/EB8JPylLx8poD8dl8KqBDQ88yXT 82h7IgE07i/0esOAmpCPRxOOlU2phodccMmacYHTyDKjdZTGwLACjE4l4dr95vPrIX7XjOXQMSnKJ qKcX4t8HP/4OPyew+u3j/9Q96BH7/i5wFaTiHLd+opj0RvpqmnkA7ZV8xSqAN+NoBAET+tSk+8SX9 XKPULaM0MRF/1wMq/EHujOvnUWNGVZWO++Ao19qFmdLm9nF3CdnOTld8Zr9gDuhm+eQXB4aMkTjQK xMdwdrQA==; Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:37650 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jIVUB-0004Ve-3L; Sun, 29 Mar 2020 11:48:11 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1jIVU9-0005h4-QU; Sun, 29 Mar 2020 11:48:09 +0100 In-Reply-To: <20200329104549.GX25745@shell.armlinux.org.uk> References: <20200329104549.GX25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Bartosz Golaszewski , devicetree@vger.kernel.org, Gregory Clement , Jason Cooper , Linus Walleij , linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-pwm@vger.kernel.org, Mark Rutland , Rob Herring , Sebastian Hesselbarth , Thierry Reding , "Uwe Kleine-Konig" Subject: [PATCH RFC 2/6] gpio: mvebu: honour EPROBE_DEFER for devm_clk_get() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Sun, 29 Mar 2020 11:48:09 +0100 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Honour deferred probing for devm_clk_get() so that we can get the clock for PWM. Signed-off-by: Russell King --- drivers/gpio/gpio-mvebu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index fa5641615db6..ee13b11c5298 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -1132,6 +1132,9 @@ static int mvebu_gpio_probe(struct platform_device *pdev) } mvchip->clk = devm_clk_get(&pdev->dev, NULL); + if (mvchip->clk == ERR_PTR(-EPROBE_DEFER)) + return -EPROBE_DEFER; + /* Not all SoCs require a clock.*/ if (!IS_ERR(mvchip->clk)) clk_prepare_enable(mvchip->clk);