From patchwork Tue Mar 12 11:00:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 10849093 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 64D711390 for ; Tue, 12 Mar 2019 11:01:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D2462951F for ; Tue, 12 Mar 2019 11:01:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 416C6295DA; Tue, 12 Mar 2019 11:01:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DB9772951F for ; Tue, 12 Mar 2019 11:01:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FqL3gp4Ba5EWEC89KV3HDPo4RzgAOEorpY75HkHm7QI=; b=tUu2UvwKxsL6FO ltwhGttoSE2Fa3qdOFLVMb+s4pQOtuSq0jbDtPRSmaWTZqFV5LBPbxL7ndzmS7G2n0ivkVKSU6E3N mLc9/CY+L7TCIIHMbBxMN6DwFjbzec3bTjwE6A/1SyMmT9F9oBkoHhg+2CmSHGiRBWCIA5+KSBwEN bA8NsXUn0icatJdLvuQhLTNkfOIoDSOtRWozTdUy0CJYW8uqZrvHTpEDeZHEy0fkqY6+WSQzhZ18P QfUe1cHYVsdmtY2BySWG2n6Krbhm66uiGDGIEBmmp2Eayp16nUt4yxdhPMQ+DhYo1YvusKC5yoKEn 2/TkJdCLjQyR4BHX8X2A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h3fA0-0000NF-DW; Tue, 12 Mar 2019 11:01:28 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h3f8x-0007Ta-3q for linux-arm-kernel@lists.infradead.org; Tue, 12 Mar 2019 11:00:32 +0000 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.lab.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1h3f8s-0005nU-Bx; Tue, 12 Mar 2019 12:00:18 +0100 Received: from mtr by dude02.lab.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1h3f8r-0007bP-Hs; Tue, 12 Mar 2019 12:00:17 +0100 From: Michael Tretter To: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/5] clk: zynqmp: fix check for fractional clock Date: Tue, 12 Mar 2019 12:00:12 +0100 Message-Id: <20190312110016.29174-2-m.tretter@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190312110016.29174-1-m.tretter@pengutronix.de> References: <20190312110016.29174-1-m.tretter@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: mtr@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190312_040023_381471_21C08B0B X-CRM114-Status: GOOD ( 12.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Boyd , Michael Turquette , Michal Simek , Michael Tretter , kernel@pengutronix.de, Jolly Shah Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP CLK_FRAC is not set in the divider->flags, but in the hw->flags. The firmware sets CLK_FRAC for fractional clocks in the clkflag field. When registering the devider, these clkflags are copied to hw->flags. Moreover, divider->flags field is a u8 type, but CLK_FRAG is BIT(13). So this check would never work. Signed-off-by: Michael Tretter --- drivers/clk/zynqmp/divider.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index a371c66e72ef..fc70950c1e24 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -117,7 +117,7 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, bestdiv = zynqmp_divider_get_val(*prate, rate); if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && - (divider->flags & CLK_FRAC)) + (clk_hw_get_flags(hw) & CLK_FRAC)) bestdiv = rate % *prate ? 1 : bestdiv; *prate = rate * bestdiv;