From patchwork Sat Apr 11 12:09:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 228013 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 BBF83C2BB85 for ; Sat, 11 Apr 2020 12:25:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9118E20644 for ; Sat, 11 Apr 2020 12:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586607951; bh=D7XvoFat6Y1aaR78hihBtrrJf1Mq8fezeVUfL892XaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=V7p+acxXQ2mU+XDHIq3WdGOtdMwUbQdah3WsNLx1d6ycjCWkVXVFXggV9LfeYu6Mb S3SCKEymrpEnek7oduKEv55+F/z9pQPuL1MmGYx/f3lg5iEtH7y/ldwjCKspID4NlO 2PUEVyf6ipIffwxuoUt1YVSvvlhqB/W3/MlYEsVA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728495AbgDKMZr (ORCPT ); Sat, 11 Apr 2020 08:25:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:50588 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727173AbgDKMQU (ORCPT ); Sat, 11 Apr 2020 08:16:20 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 21E3E2084D; Sat, 11 Apr 2020 12:16:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586607380; bh=D7XvoFat6Y1aaR78hihBtrrJf1Mq8fezeVUfL892XaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GAkJCynojTPYGelPuoeqZBh9VnpaYMF8B61Sh8rA5tbqHbo98Xp6ZQk5NXiS1waow dVjA1GNRPxXjjXbboRf1r5kUgV6aDTSIB+B+dLZci17KvSVM0eyfVbyaznmwTmLu3t ns+3ZLvODaaujbKvnuxTJaZ+1xWUf+QEyj7oi+SY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Taniya Das , Stephen Boyd , Lee Jones Subject: [PATCH 4.19 49/54] clk: qcom: rcg: Return failure for RCG update Date: Sat, 11 Apr 2020 14:09:31 +0200 Message-Id: <20200411115513.623424955@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200411115508.284500414@linuxfoundation.org> References: <20200411115508.284500414@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Taniya Das commit 21ea4b62e1f3dc258001a68da98c9663a9dbd6c7 upstream. In case of update config failure, return -EBUSY, so that consumers could handle the failure gracefully. Signed-off-by: Taniya Das Link: https://lkml.kernel.org/r/1557339895-21952-2-git-send-email-tdas@codeaurora.org Signed-off-by: Stephen Boyd Signed-off-by: Lee Jones Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/clk-rcg2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -105,7 +105,7 @@ static int update_config(struct clk_rcg2 } WARN(1, "%s: rcg didn't update its configuration.", name); - return 0; + return -EBUSY; } static int clk_rcg2_set_parent(struct clk_hw *hw, u8 index)