From patchwork Wed Jul 24 02:23:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuanhong Guo X-Patchwork-Id: 11055603 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 A280D112C for ; Wed, 24 Jul 2019 02:24:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 94F75286E4 for ; Wed, 24 Jul 2019 02:24:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 88E9D28761; Wed, 24 Jul 2019 02:24:29 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3ED22286E4 for ; Wed, 24 Jul 2019 02:24:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728825AbfGXCYY (ORCPT ); Tue, 23 Jul 2019 22:24:24 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:44053 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728052AbfGXCYY (ORCPT ); Tue, 23 Jul 2019 22:24:24 -0400 Received: by mail-pf1-f194.google.com with SMTP id t16so20066926pfe.11; Tue, 23 Jul 2019 19:24:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DHFA8suWUP3tpWesHwhM+PuI3SVJDTd+EXpBK0dcsfw=; b=kdnkeIs9UnlW7io2ltC+Jx434Sp7jd23QovrRYNLKrNrCFZDyr8Lar08/olaNCKxYw n+hb+OW1t8Y+ZfxdTGyMOSRZ5ys3tY4//A5ZPvCg5ep4Sd1zMTNKNtjzD3xJKwEQq2g5 Hfte9ICcF5AQXLfcBpNOQijig8veInit8HsZGklfWLEkSIkCPtLy65Y7Qr3uv5H3IzX9 tSCEA2C5aMqzMrVOwtakcjKYn96SmPkM1hg2pdjBMkdPs+sjOxc1z6kWhdMMq4xrvcfw qnDLXAqMnqg4S5W49cY+r4FhYevM5YlHAOxH2pdwV/wTiCbBN92zvpzKyiUUgatjBVYC BKdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DHFA8suWUP3tpWesHwhM+PuI3SVJDTd+EXpBK0dcsfw=; b=mDLev0FGCVukMDRpeNQ+M4WoOuoB3vsTtPl6RpXLUZtjEkNnaUZWH67I+KqOqyOKgv et6FX9c5R7sB67hhY+9APRL86A/RlZT/v+JCTC7vXzdj7QAI5S0RdobUjoRBriOE46rT 65n9GOR77C4wGvOKmTM6GuFtouh/ehY76uXOLj5VVjNEYkKz971BSaaXU18YLUwKzRVQ 2BfUE9JooXrBnbj9CPHzNWM5rjSmVTSrzf9p92NJpVrdIvLfrQZ3WJS/zeTrTOYBKdGf RbAImXiS/Hjx9+beyL1keAVA4S8rBBFSGVAHmTRUwxeCPAsivFMNfM1z+iNFf9aeBwFL zGhQ== X-Gm-Message-State: APjAAAUDUySzfSD9E+i1JmLT0W9E8pzy3DKJdwC4AamKX1HJj+zaj99J nQlPIpipgtvJZdg5Jq9vLzCOEI9/my4= X-Google-Smtp-Source: APXvYqyv5VGeSzUKKTyB6UP2tZYzg/oEpNsftr7kxHCCip1RDPO9NuyaCaNi89fYJoRP2+U9gPQAyA== X-Received: by 2002:a65:5a44:: with SMTP id z4mr79338446pgs.41.1563935063367; Tue, 23 Jul 2019 19:24:23 -0700 (PDT) Received: from guoguo-omen-lan.lan ([107.151.139.128]) by smtp.gmail.com with ESMTPSA id s185sm63468029pgs.67.2019.07.23.19.24.18 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 23 Jul 2019 19:24:22 -0700 (PDT) From: Chuanhong Guo To: linux-clk@vger.kernel.org (open list:COMMON CLK FRAMEWORK), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list), linux-mips@vger.kernel.org (open list:MIPS), devel@driverdev.osuosl.org (open list:STAGING SUBSYSTEM) Cc: Michael Turquette , Stephen Boyd , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , James Hogan , John Crispin , Greg Kroah-Hartman , Weijie Gao , NeilBrown , Chuanhong Guo Subject: [PATCH v2 2/6] MIPS: ralink: drop ralink_clk_init for mt7621 Date: Wed, 24 Jul 2019 10:23:06 +0800 Message-Id: <20190724022310.28010-3-gch981213@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190724022310.28010-1-gch981213@gmail.com> References: <20190724022310.28010-1-gch981213@gmail.com> MIME-Version: 1.0 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This function isn't called anywhere. just drop it. Signed-off-by: Chuanhong Guo --- Change since v1: New patch. Split from: "MIPS: ralink: fix cpu clock of mt7621 and add dt clk devices" arch/mips/ralink/mt7621.c | 43 --------------------------------------- 1 file changed, 43 deletions(-) diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c index 9415be0d57b8..ba39f3f3a7c7 100644 --- a/arch/mips/ralink/mt7621.c +++ b/arch/mips/ralink/mt7621.c @@ -18,11 +18,6 @@ #include "common.h" -#define SYSC_REG_SYSCFG 0x10 -#define SYSC_REG_CPLL_CLKCFG0 0x2c -#define SYSC_REG_CUR_CLK_STS 0x44 -#define CPU_CLK_SEL (BIT(30) | BIT(31)) - #define MT7621_GPIO_MODE_UART1 1 #define MT7621_GPIO_MODE_I2C 2 #define MT7621_GPIO_MODE_UART3_MASK 0x3 @@ -113,44 +108,6 @@ phys_addr_t mips_cpc_default_phys_base(void) panic("Cannot detect cpc address"); } -void __init ralink_clk_init(void) -{ - int cpu_fdiv = 0; - int cpu_ffrac = 0; - int fbdiv = 0; - u32 clk_sts, syscfg; - u8 clk_sel = 0, xtal_mode; - u32 cpu_clk; - - if ((rt_sysc_r32(SYSC_REG_CPLL_CLKCFG0) & CPU_CLK_SEL) != 0) - clk_sel = 1; - - switch (clk_sel) { - case 0: - clk_sts = rt_sysc_r32(SYSC_REG_CUR_CLK_STS); - cpu_fdiv = ((clk_sts >> 8) & 0x1F); - cpu_ffrac = (clk_sts & 0x1F); - cpu_clk = (500 * cpu_ffrac / cpu_fdiv) * 1000 * 1000; - break; - - case 1: - fbdiv = ((rt_sysc_r32(0x648) >> 4) & 0x7F) + 1; - syscfg = rt_sysc_r32(SYSC_REG_SYSCFG); - xtal_mode = (syscfg >> 6) & 0x7; - if (xtal_mode >= 6) { - /* 25Mhz Xtal */ - cpu_clk = 25 * fbdiv * 1000 * 1000; - } else if (xtal_mode >= 3) { - /* 40Mhz Xtal */ - cpu_clk = 40 * fbdiv * 1000 * 1000; - } else { - /* 20Mhz Xtal */ - cpu_clk = 20 * fbdiv * 1000 * 1000; - } - break; - } -} - void __init ralink_of_remap(void) { rt_sysc_membase = plat_of_remap_node("mtk,mt7621-sysc");