From patchwork Thu Apr 2 10:48:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 202524 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, 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 F2AD4C43331 for ; Thu, 2 Apr 2020 10:51:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C8DC5206F5 for ; Thu, 2 Apr 2020 10:51:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=flygoat.com header.i=jiaxun.yang@flygoat.com header.b="T9aWlCUe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387990AbgDBKvf (ORCPT ); Thu, 2 Apr 2020 06:51:35 -0400 Received: from sender3-op-o12.zoho.com.cn ([124.251.121.243]:17854 "EHLO sender3-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728612AbgDBKvf (ORCPT ); Thu, 2 Apr 2020 06:51:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1585824653; s=mail; d=flygoat.com; i=jiaxun.yang@flygoat.com; h=From:To:Cc:Message-ID:Subject:Date:MIME-Version:Content-Transfer-Encoding:Content-Type; bh=V1naS5Jb3/T3bL/D1LVRUiDK4v8P1YPjYMYwaqddEmE=; b=T9aWlCUeCQDUa48ENhkUDlpY03v5VQKgzVq6ipYLhFPZYxhPnzKJm2m14wZeC5VT 0kV/AuX6Dfgf2EZ9NvwaXM/ydyA5CADR1dxjeHeiDhFfEvVDm9t8sEo5uYlLZG4yXSz yBiAOixfjRy+mnQ0rxVyx49OPqJkinmKw3f9uAXQ= Received: from localhost.localdomain (39.155.141.144 [39.155.141.144]) by mx.zoho.com.cn with SMTPS id 1585824651402683.1521658948714; Thu, 2 Apr 2020 18:50:51 +0800 (CST) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: Jiaxun Yang , Thomas Bogendoerfer , Rob Herring , Huacai Chen , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <20200402104851.368465-1-jiaxun.yang@flygoat.com> Subject: [PATCH 1/5] MIPS: Loongson64: Remove dead RTC code Date: Thu, 2 Apr 2020 18:48:39 +0800 X-Mailer: git-send-email 2.26.0.rc2 MIME-Version: 1.0 X-ZohoCNMailClient: External Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org RTC is now enabled by devicetree. So platform code is no longer needed. Signed-off-by: Jiaxun Yang --- .../include/asm/mach-loongson64/mc146818rtc.h | 36 ----------------- arch/mips/loongson64/Kconfig | 4 -- arch/mips/loongson64/Makefile | 1 - arch/mips/loongson64/rtc.c | 39 ------------------- arch/mips/loongson64/time.c | 8 +--- 5 files changed, 1 insertion(+), 87 deletions(-) delete mode 100644 arch/mips/include/asm/mach-loongson64/mc146818rtc.h delete mode 100644 arch/mips/loongson64/rtc.c diff --git a/arch/mips/include/asm/mach-loongson64/mc146818rtc.h b/arch/mips/include/asm/mach-loongson64/mc146818rtc.h deleted file mode 100644 index ebdccfee50be..000000000000 --- a/arch/mips/include/asm/mach-loongson64/mc146818rtc.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998, 2001, 03, 07 by Ralf Baechle (ralf@linux-mips.org) - * - * RTC routines for PC style attached Dallas chip. - */ -#ifndef __ASM_MACH_LOONGSON64_MC146818RTC_H -#define __ASM_MACH_LOONGSON64_MC146818RTC_H - -#include - -#define RTC_PORT(x) (0x70 + (x)) -#define RTC_IRQ 8 - -static inline unsigned char CMOS_READ(unsigned long addr) -{ - outb_p(addr, RTC_PORT(0)); - return inb_p(RTC_PORT(1)); -} - -static inline void CMOS_WRITE(unsigned char data, unsigned long addr) -{ - outb_p(addr, RTC_PORT(0)); - outb_p(data, RTC_PORT(1)); -} - -#define RTC_ALWAYS_BCD 0 - -#ifndef mc146818_decode_year -#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970) -#endif - -#endif /* __ASM_MACH_LOONGSON64_MC146818RTC_H */ diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig index 48b29c198acf..c386b8a3c753 100644 --- a/arch/mips/loongson64/Kconfig +++ b/arch/mips/loongson64/Kconfig @@ -14,8 +14,4 @@ config RS780_HPET If unsure, say Yes. -config LOONGSON_MC146818 - bool - default n - endif # MACH_LOONGSON64 diff --git a/arch/mips/loongson64/Makefile b/arch/mips/loongson64/Makefile index f04461839540..102a19aa92aa 100644 --- a/arch/mips/loongson64/Makefile +++ b/arch/mips/loongson64/Makefile @@ -8,6 +8,5 @@ obj-$(CONFIG_MACH_LOONGSON64) += cop2-ex.o platform.o acpi_init.o dma.o \ obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_NUMA) += numa.o obj-$(CONFIG_RS780_HPET) += hpet.o -obj-$(CONFIG_LOONGSON_MC146818) += rtc.o obj-$(CONFIG_SUSPEND) += pm.o obj-$(CONFIG_PCI_QUIRKS) += vbios_quirk.o diff --git a/arch/mips/loongson64/rtc.c b/arch/mips/loongson64/rtc.c deleted file mode 100644 index 8d7628c0f513..000000000000 --- a/arch/mips/loongson64/rtc.c +++ /dev/null @@ -1,39 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Lemote Fuloong platform support - * - * Copyright(c) 2010 Arnaud Patard - */ - -#include -#include -#include -#include - -static struct resource loongson_rtc_resources[] = { - { - .start = RTC_PORT(0), - .end = RTC_PORT(1), - .flags = IORESOURCE_IO, - }, { - .start = RTC_IRQ, - .end = RTC_IRQ, - .flags = IORESOURCE_IRQ, - } -}; - -static struct platform_device loongson_rtc_device = { - .name = "rtc_cmos", - .id = -1, - .resource = loongson_rtc_resources, - .num_resources = ARRAY_SIZE(loongson_rtc_resources), -}; - - -static int __init loongson_rtc_platform_init(void) -{ - platform_device_register(&loongson_rtc_device); - return 0; -} - -device_initcall(loongson_rtc_platform_init); diff --git a/arch/mips/loongson64/time.c b/arch/mips/loongson64/time.c index 1245f22cec84..91e842b58365 100644 --- a/arch/mips/loongson64/time.c +++ b/arch/mips/loongson64/time.c @@ -6,7 +6,7 @@ * Copyright (C) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzhangjin@gmail.com */ -#include + #include #include @@ -21,9 +21,3 @@ void __init plat_time_init(void) setup_hpet_timer(); #endif } - -void read_persistent_clock64(struct timespec64 *ts) -{ - ts->tv_sec = mc146818_get_cmos_time(); - ts->tv_nsec = 0; -}