From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F24FAF44850 for ; Fri, 10 Apr 2026 12:18:49 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 652116B0099; Fri, 10 Apr 2026 08:18:49 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 603896B009B; Fri, 10 Apr 2026 08:18:49 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4F25D6B009D; Fri, 10 Apr 2026 08:18:49 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 3DB056B0099 for ; Fri, 10 Apr 2026 08:18:49 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id CAFE014052D for ; Fri, 10 Apr 2026 12:18:48 +0000 (UTC) X-FDA: 84642549936.14.D00001C Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf13.hostedemail.com (Postfix) with ESMTP id 2A65D20008 for ; Fri, 10 Apr 2026 12:18:46 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=gYJITPmd; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf13.hostedemail.com: domain of tglx@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=tglx@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775823527; a=rsa-sha256; cv=none; b=dU+padRQbHgrZF6EZhkKZGlhXGor+8TsGSP08pfmNrQXnEi18lvXNVMRJsTjus7BMMGD/T QgQ0fKREzYbfU4bM2YwaqhwYFc+B6Lpv95GP4KH0JQbgoLRnk9HDRy+a2QHJ/Zrgl8Tl1X lI1JXjmk7eDF1tezqKnMSecTbOnZmWM= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=gYJITPmd; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf13.hostedemail.com: domain of tglx@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=tglx@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775823527; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references:references:dkim-signature; bh=QNbKEqaPolXnyDtyb0N89kzCxyVMHVZnkdKQSB7ziQU=; b=oEgII6KLJy3IigiP5DhM/vHhuNX01zGsva8gVN4Ba3TqMI7N/kVpEdINx4QutvhxN6CbPH GiHs2ZjT/b824gAcXy6zPvu7KNPvXoUgOqh2OuaYC5kjIBVXTvyeTVS74pMJZM7H+xEryv sca80BG9+MAmyUPs9fCuHODxD4N/34Q= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 562114415B; Fri, 10 Apr 2026 12:18:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51EC1C2BCB0; Fri, 10 Apr 2026 12:18:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775823526; bh=OWF9pG0hQ95RygMnh7+vDhgeHyKnJRYOWEj0GBEdTEY=; h=Date:From:To:Subject:References:cc:From; b=gYJITPmdy2GNPsbI6AD2iZ7zhMgePGS+gqPbXQCs7WsAhhu/qyX8hH+Xi69K/urPl BoSeBlt4BbqU4ZnISQ8slAdj5VCjiDRcN9bfEzsBBE9dj/wWUHwDFECfvHb21gTPQ5 cvjmyUKF+jJ25R6iZ5vAzO3xaA8XXwp+1aea+F9V1esc/zHHX5PN7paJBTByHcDBl2 auQKRV9dXMsXdujNzqathwxe2n8RWyCswG/DXqH2EllhOxm/ndPsrTIJX4WzacriA/ t/DalYn89VnEQy6E+ROiviOqorgI/E12LPFkiSGiJSdwmaaiky6k8Wx7OG7Y+w6GUr Ni5ruNMG7XCYg== Date: Fri, 10 Apr 2026 14:18:42 +0200 Message-ID: <20260410120317.776571540@kernel.org> User-Agent: quilt/0.68 From: Thomas Gleixner To: LKML Subject: [patch 03/38] x86/apm: Remove last LATCH usage References: <20260410120044.031381086@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 cc: Arnd Bergmann , x86@kernel.org, Lu Baolu , iommu@lists.linux.dev, Michael Grzeschik , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, Herbert Xu , linux-crypto@vger.kernel.org, Vlastimil Babka , linux-mm@kvack.org, David Woodhouse , Bernie Thompson , linux-fbdev@vger.kernel.org, "Theodore Tso" , linux-ext4@vger.kernel.org, Andrew Morton , Uladzislau Rezki , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, Andrey Ryabinin , Thomas Sailer , linux-hams@vger.kernel.org, "Jason A. Donenfeld" , Richard Henderson , linux-alpha@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Huacai Chen , loongarch@lists.linux.dev, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Dinh Nguyen , Jonas Bonn , linux-openrisc@vger.kernel.org, Helge Deller , linux-parisc@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Paul Walmsley , linux-riscv@lists.infradead.org, Heiko Carstens , linux-s390@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org X-Rspamd-Queue-Id: 2A65D20008 X-Stat-Signature: bccfexeqfhyj3fkn6mmke5msxrzoquoj X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1775823526-754094 X-HE-Meta: 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 NfBFj2IF 1HUe3wGGam2nx4ghjYJfZhGXaGjH/Q/3MHbNwVLcQtWMunVwVarB0cBwwGCfuPshRPYfSDAT+fnpbt86xPU1gUxpqCgbybSldB2BikCoGgK/kLTBGSNolt56NO8ZdAvhC2hMHNllUlgv5Hobhsh/zCS2RPp3gd/dSlhRMG0ZI7yYAmf4FJKuiuJZ8DLtcv+AK9zWWk4DwmMl3GlD04twpOw/IJZh4tjFMoqE5c9eHv9bcaDgXwQmCyx9hd2Ca+fgr27kOnZgM1DMP5YbHrlaJYGnpFqpD3RH4v9ZNqDAIvT0UKr0lUx+5TzLtTKAKbE83UqZi Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: LATCH is a historical leftover and has been replaced with PIT_LATCH in all other places a decade ago. Replace the last holdout and remove the definition from jiffies.h. This allows to remove the otherwise unused CLOCK_TICK_RATE define in the next step. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apm_32.c | 4 ++-- include/linux/jiffies.h | 3 --- 2 files changed, 2 insertions(+), 5 deletions(-) --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -1196,9 +1196,9 @@ static void reinit_timer(void) /* set the clock to HZ */ outb_p(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */ udelay(10); - outb_p(LATCH & 0xff, PIT_CH0); /* LSB */ + outb_p(PIT_LATCH & 0xff, PIT_CH0); /* LSB */ udelay(10); - outb_p(LATCH >> 8, PIT_CH0); /* MSB */ + outb_p(PIT_LATCH >> 8, PIT_CH0); /* MSB */ udelay(10); raw_spin_unlock_irqrestore(&i8253_lock, flags); #endif --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -56,9 +56,6 @@ #define SH_DIV(NOM,DEN,LSH) ( (((NOM) / (DEN)) << (LSH)) \ + ((((NOM) % (DEN)) << (LSH)) + (DEN) / 2) / (DEN)) -/* LATCH is used in the interval timer and ftape setup. */ -#define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ) /* For divider */ - extern void register_refined_jiffies(long clock_tick_rate); /* TICK_USEC is the time between ticks in usec */