From patchwork Sat Apr 11 12:09:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 228096 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 51F44C2BBC7 for ; Sat, 11 Apr 2020 12:12:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2749521655 for ; Sat, 11 Apr 2020 12:12:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586607175; bh=dgX/AzzkPZiHTu9xbH6PAnXfb+18YXSgOqPbxjzZcfM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OLlYvO2tEhsi8K8slDRF4UjWh8KsS0N2jQl87hd6/PtNRiExSAXD0ahTZXfwMs/Dm zXcl7TvZtB/FO9BFaVUAUXv2lOy91OAPluC/Ky0Gy/xjjIGknZVVsfeqagpaVVK8oL oPuqv0SNgOgGPBlcwAK83PuWkuoYythI66vpYdBM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727469AbgDKMMu (ORCPT ); Sat, 11 Apr 2020 08:12:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:45572 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727427AbgDKMMu (ORCPT ); Sat, 11 Apr 2020 08:12:50 -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 D42B921841; Sat, 11 Apr 2020 12:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586607170; bh=dgX/AzzkPZiHTu9xbH6PAnXfb+18YXSgOqPbxjzZcfM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JYhOtrklydXQ7icGgiLlvFXrD9zydfCLv6c3/d+HuFgxLR1EDIx0t8vCLDWt7DzdT seSOBXDZa7jE+V2caS8DUD5DzW+YOEEWHjTxLocp22DffQeDvWcbQqNAJhEwNPr1JF H4F0HGQkc2QYLRjzcmmuhxS4p3XBM3GgQUC8eSEM= 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 4.9 28/32] clk: qcom: rcg: Return failure for RCG update Date: Sat, 11 Apr 2020 14:09:07 +0200 Message-Id: <20200411115422.513988245@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200411115418.455500023@linuxfoundation.org> References: <20200411115418.455500023@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 @@ -107,7 +107,7 @@ 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)