From patchwork Tue Sep 1 15:08:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 310377 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 9D018C433E2 for ; Tue, 1 Sep 2020 16:09:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 732BA2078B for ; Tue, 1 Sep 2020 16:09:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598976576; bh=UIiXDKl+MTlpYV/Z9SFdwrRkfKFxU48g8t3ma74X9As=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zQGFyqLFxDUKq/FTmMa/URvo5CWJfDuVp4/pOP8Lu87LB71+0wtN2zMcSmALR8PQl ZUpHAd9UAZZzTIZPm5sJrmFWSPZ2vFWNm/QqIzhIzzcbZ6CodQ1PCYyOe2ujpTn7JH 8V3uG0gbyfV/TNE4dbl8r1qKvWoy+yCraSlWOq3I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727109AbgIAQJf (ORCPT ); Tue, 1 Sep 2020 12:09:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:48192 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731418AbgIAPiv (ORCPT ); Tue, 1 Sep 2020 11:38:51 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 AA44020E65; Tue, 1 Sep 2020 15:38:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974731; bh=UIiXDKl+MTlpYV/Z9SFdwrRkfKFxU48g8t3ma74X9As=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kmxvMBgKBsJf0nVw5AGrXotz3l/GOe/dlNc3HLwLVW/x6xHCgmu24cq1aKgrvJygT bsSb64CFMesHYuJ3SMnoAmGKBGbxozm/ibOG0zBkvy2au98YvvJYZ/r1f1gz9lfqPH yrXjt/yySIXBVc1gXmjlNc+lCdz0M4goTTDziDQk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Manish Narani , Ulf Hansson , Sasha Levin Subject: [PATCH 5.8 072/255] mmc: sdhci-of-arasan: fix timings allocation code Date: Tue, 1 Sep 2020 17:08:48 +0200 Message-Id: <20200901151004.181713816@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901151000.800754757@linuxfoundation.org> References: <20200901151000.800754757@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: Manish Narani [ Upstream commit 88e1d0b175ec0bfa775c8629eae2a728726e2c6a ] The initial code that was adding delays was doing a cast over undefined memory. This meant that the delays would be all gibberish. This change, allocates all delays on the stack, and assigns them from the ZynqMP & Versal macros/phase-list. And then finally copies them over the common iclk_phase & oclk_phase variables. Signed-off-by: Manish Narani Link: https://lore.kernel.org/r/1594753953-62980-1-git-send-email-manish.narani@xilinx.com Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/host/sdhci-of-arasan.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index fb26e743e1fd4..d0a80bfb953b0 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -1025,7 +1025,6 @@ static void arasan_dt_read_clk_phase(struct device *dev, static void arasan_dt_parse_clk_phases(struct device *dev, struct sdhci_arasan_clk_data *clk_data) { - int *iclk_phase, *oclk_phase; u32 mio_bank = 0; int i; @@ -1037,28 +1036,32 @@ static void arasan_dt_parse_clk_phases(struct device *dev, clk_data->set_clk_delays = sdhci_arasan_set_clk_delays; if (of_device_is_compatible(dev->of_node, "xlnx,zynqmp-8.9a")) { - iclk_phase = (int [MMC_TIMING_MMC_HS400 + 1]) ZYNQMP_ICLK_PHASE; - oclk_phase = (int [MMC_TIMING_MMC_HS400 + 1]) ZYNQMP_OCLK_PHASE; + u32 zynqmp_iclk_phase[MMC_TIMING_MMC_HS400 + 1] = + ZYNQMP_ICLK_PHASE; + u32 zynqmp_oclk_phase[MMC_TIMING_MMC_HS400 + 1] = + ZYNQMP_OCLK_PHASE; of_property_read_u32(dev->of_node, "xlnx,mio-bank", &mio_bank); if (mio_bank == 2) { - oclk_phase[MMC_TIMING_UHS_SDR104] = 90; - oclk_phase[MMC_TIMING_MMC_HS200] = 90; + zynqmp_oclk_phase[MMC_TIMING_UHS_SDR104] = 90; + zynqmp_oclk_phase[MMC_TIMING_MMC_HS200] = 90; } for (i = 0; i <= MMC_TIMING_MMC_HS400; i++) { - clk_data->clk_phase_in[i] = iclk_phase[i]; - clk_data->clk_phase_out[i] = oclk_phase[i]; + clk_data->clk_phase_in[i] = zynqmp_iclk_phase[i]; + clk_data->clk_phase_out[i] = zynqmp_oclk_phase[i]; } } if (of_device_is_compatible(dev->of_node, "xlnx,versal-8.9a")) { - iclk_phase = (int [MMC_TIMING_MMC_HS400 + 1]) VERSAL_ICLK_PHASE; - oclk_phase = (int [MMC_TIMING_MMC_HS400 + 1]) VERSAL_OCLK_PHASE; + u32 versal_iclk_phase[MMC_TIMING_MMC_HS400 + 1] = + VERSAL_ICLK_PHASE; + u32 versal_oclk_phase[MMC_TIMING_MMC_HS400 + 1] = + VERSAL_OCLK_PHASE; for (i = 0; i <= MMC_TIMING_MMC_HS400; i++) { - clk_data->clk_phase_in[i] = iclk_phase[i]; - clk_data->clk_phase_out[i] = oclk_phase[i]; + clk_data->clk_phase_in[i] = versal_iclk_phase[i]; + clk_data->clk_phase_out[i] = versal_oclk_phase[i]; } }