From patchwork Mon Sep 12 06:50:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zong Li X-Patchwork-Id: 12973325 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83AF8C6FA82 for ; Mon, 12 Sep 2022 06:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230000AbiILGvL (ORCPT ); Mon, 12 Sep 2022 02:51:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229927AbiILGuu (ORCPT ); Mon, 12 Sep 2022 02:50:50 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB90B2A252 for ; Sun, 11 Sep 2022 23:50:48 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id t70so7393798pgc.5 for ; Sun, 11 Sep 2022 23:50:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date; bh=6Xe3R/apOfj9yPTgHstXk1duLFBJjDM/Rtwt0f9H5Eo=; b=LanQLFvf6RQo3FztPxAXUGZuOt8XUCf0383mzuu7l36i5lBuVM7bi3iPqfx+wzmfyi uAlDr3GoCXquZqHzwvBrhDMXi0YtylvsZwA7YId+/ApLY1U5XJj0rN/I5QmWb3MuF4mC m9sgzjS2xK2t+nt4fHR7dRPUE0LxTuedAV6S5+a94szVmhw/tch7jvfdX5N8jMUoRye8 xz0O7JnDIoV3PayCrYsZ7jYT5OP6Jd7Kh3ndLlupvIYW7p5AByJ1ucJyzKvsKrhNusWC NcDZRyT4fxBkMHfgo6RQKyXC7/+Yo59BMEgUpZLNG2E3VKWnxuV+cKwjSztuqIOtiR48 ElmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc:subject:date; bh=6Xe3R/apOfj9yPTgHstXk1duLFBJjDM/Rtwt0f9H5Eo=; b=3++kFRYXB/5nMKjNBml+Jsp3kyCcvsr5WprV0g/rWyly3k43850ACBtKgTifIg7vWX 4GBWLGLjiJVQFmRa2drUU+4A+5GSRSPTlsbtAjiFPQ3cMBkK5O1pNQaomgo06LCw6/at uDDmH5oTXJEf2oooank2Hq4aFGjjytEF/T8OjGBxXpB7FLJaVJsTM/FLoDQwlljmTL2n dVrB0hK602tK9AkLYhTsVT1s8nq8sn6ZS0l+jAy5fK32v434f39QePvISn8WNio85PkY VsqxuVRVJzwUD3VPavMONd11tQb78/oozo8bOabfC/1debeXV84LWzi+LALcAP+Wm1yC 05Aw== X-Gm-Message-State: ACgBeo0jsOD+xiwQSUek3f4gF0zIt4v/Z7gRYsGxhzM/urkG36clrDV7 1oPE2GbT3RnTJmg8GjXxfvLBTA== X-Google-Smtp-Source: AA6agR4JOxDScrdlY2QeBhFk8ibiBQ+YL8tlBtJH7FnoTf9lRCe8Mq0poUexl6SesZaolsHcCoBjjA== X-Received: by 2002:a65:6cc4:0:b0:412:35fa:5bce with SMTP id g4-20020a656cc4000000b0041235fa5bcemr21758036pgw.466.1662965448405; Sun, 11 Sep 2022 23:50:48 -0700 (PDT) Received: from localhost.localdomain (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id v62-20020a632f41000000b00430c6fd7ffbsm4705716pgv.84.2022.09.11.23.50.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Sep 2022 23:50:47 -0700 (PDT) From: Zong Li To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu, greentime.hu@sifive.com, conor.dooley@microchip.com, ben.dooks@sifive.com, bp@alien8.de, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Zong Li Subject: [PATCH v4 4/6] soc: sifive: ccache: reduce printing on init Date: Mon, 12 Sep 2022 06:50:27 +0000 Message-Id: <20220912065029.1793-5-zong.li@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220912065029.1793-1-zong.li@sifive.com> References: <20220912065029.1793-1-zong.li@sifive.com> Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org From: Ben Dooks The driver prints out 6 lines on startup, which can easily be redcued to two lines without losing any information. Note, to make the types work better, uint64_t has been replaced with ULL to make the unsigned long long match the format in the print statement. Signed-off-by: Ben Dooks Signed-off-by: Zong Li Reviewed-by: Conor Dooley --- drivers/soc/sifive/sifive_ccache.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c index b361b661ea09..17080af7dfa0 100644 --- a/drivers/soc/sifive/sifive_ccache.c +++ b/drivers/soc/sifive/sifive_ccache.c @@ -81,20 +81,17 @@ static void setup_sifive_debug(void) static void ccache_config_read(void) { - u32 regval, val; - - regval = readl(ccache_base + SIFIVE_CCACHE_CONFIG); - val = regval & 0xFF; - pr_info("CCACHE: No. of Banks in the cache: %d\n", val); - val = (regval & 0xFF00) >> 8; - pr_info("CCACHE: No. of ways per bank: %d\n", val); - val = (regval & 0xFF0000) >> 16; - pr_info("CCACHE: Sets per bank: %llu\n", (uint64_t)1 << val); - val = (regval & 0xFF000000) >> 24; - pr_info("CCACHE: Bytes per cache block: %llu\n", (uint64_t)1 << val); - - regval = readl(ccache_base + SIFIVE_CCACHE_WAYENABLE); - pr_info("CCACHE: Index of the largest way enabled: %d\n", regval); + u32 cfg; + + cfg = readl(ccache_base + SIFIVE_CCACHE_CONFIG); + + pr_info("CCACHE: %u banks, %u ways, sets/bank=%llu, bytes/block=%llu\n", + (cfg & 0xff), (cfg >> 8) & 0xff, + BIT_ULL((cfg >> 16) & 0xff), + BIT_ULL((cfg >> 24) & 0xff)); + + cfg = readl(ccache_base + SIFIVE_CCACHE_WAYENABLE); + pr_info("CCACHE: Index of the largest way enabled: %u\n", cfg); } static const struct of_device_id sifive_ccache_ids[] = {