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 X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT 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 82437C433E0 for ; Mon, 27 Jul 2020 11:37:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D17520714 for ; Mon, 27 Jul 2020 11:37:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726873AbgG0Lh2 (ORCPT ); Mon, 27 Jul 2020 07:37:28 -0400 Received: from mailout10.rmx.de ([94.199.88.75]:41102 "EHLO mailout10.rmx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726599AbgG0Lh2 (ORCPT ); Mon, 27 Jul 2020 07:37:28 -0400 Received: from kdin01.retarus.com (kdin01.dmz1.retloc [172.19.17.48]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mailout10.rmx.de (Postfix) with ESMTPS id 4BFcLs4pvGz311B; Mon, 27 Jul 2020 13:01:41 +0200 (CEST) Received: from mta.arri.de (unknown [217.111.95.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by kdin01.retarus.com (Postfix) with ESMTPS id 4BFcKZ5qFvz2xFb; Mon, 27 Jul 2020 13:00:34 +0200 (CEST) Received: from N95HX1G2.wgnetz.xx (192.168.54.121) by mta.arri.de (192.168.100.104) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 27 Jul 2020 12:59:12 +0200 From: Christian Eggers To: Rob Herring , Shawn Guo , "Sascha Hauer" CC: Christian Eggers , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Matt Mackall , Herbert Xu , Arnd Bergmann , "Greg Kroah-Hartman" , Martin Kaiser , PrasannaKumar Muralidharan , Anson Huang , , , , Subject: [PATCH 2/3] hwrng: imx-rngc - make clock optional Date: Mon, 27 Jul 2020 12:57:15 +0200 Message-ID: <20200727105718.26225-3-ceggers@arri.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200727105718.26225-1-ceggers@arri.de> References: <20200727105718.26225-1-ceggers@arri.de> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [192.168.54.121] X-RMX-ID: 20200727-130034-4BFcKZ5qFvz2xFb-0@kdin01 X-RMX-SOURCE: 217.111.95.66 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On i.MX6 ULL the RNGB has no switchable clock. Signed-off-by: Christian Eggers --- drivers/char/hw_random/imx-rngc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c index 9c47e431ce90..f9c5ddd0276b 100644 --- a/drivers/char/hw_random/imx-rngc.c +++ b/drivers/char/hw_random/imx-rngc.c @@ -245,7 +245,7 @@ static int imx_rngc_probe(struct platform_device *pdev) if (IS_ERR(rngc->base)) return PTR_ERR(rngc->base); - rngc->clk = devm_clk_get(&pdev->dev, NULL); + rngc->clk = devm_clk_get_optional(&pdev->dev, NULL); if (IS_ERR(rngc->clk)) { dev_err(&pdev->dev, "Can not get rng_clk\n"); return PTR_ERR(rngc->clk); -- Christian Eggers Embedded software developer Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRA 57918 Persoenlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRB 54477 Geschaeftsfuehrer: Dr. Michael Neuhaeuser; Stephan Schenk; Walter Trauninger; Markus Zeiler