From patchwork Wed Jun 1 18:05:07 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ralf Baechle X-Patchwork-Id: 841702 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p51Jmbr2009122 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 1 Jun 2011 19:48:58 GMT Received: from canuck.infradead.org ([134.117.69.58]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QRrOm-0006xg-HS; Wed, 01 Jun 2011 19:48:13 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QRrOm-0001mJ-BC; Wed, 01 Jun 2011 19:48:12 +0000 Received: from h5.dl5rb.org.uk ([81.2.74.5] helo=duck.linux-mips.net) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QRrOE-0001fS-Sd for linux-arm-kernel@lists.infradead.org; Wed, 01 Jun 2011 19:47:41 +0000 Received: from duck.linux-mips.net (duck.linux-mips.net [127.0.0.1]) by duck.linux-mips.net (8.14.4/8.14.3) with ESMTP id p51Jlbl8010158; Wed, 1 Jun 2011 20:47:37 +0100 Received: (from ralf@localhost) by duck.linux-mips.net (8.14.4/8.14.4/Submit) id p51JlbEB010157; Wed, 1 Jun 2011 20:47:37 +0100 Message-Id: <20110601180610.832810002@duck.linux-mips.net> User-Agent: quilt/0.48-1 Date: Wed, 01 Jun 2011 19:05:07 +0100 From: ralf@linux-mips.org To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: [patch 11/14] i8253: Consolidate definitions of PIT_LATCH References: <20110601180456.801265664@duck.linux-mips.net> Content-Disposition: inline; filename=i8253-sort-out-pit_latch-definitions.patch X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110601_154739_222119_0000714B X-CRM114-Status: GOOD ( 13.18 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- Cc: linux-mips@linux-mips.org, Russell King , x86@kernel.org, Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 01 Jun 2011 19:48:58 +0000 (UTC) x86 defines PIT_LATCH as LATCH which in is defined as ((CLOCK_TICK_RATE + HZ/2) / HZ) and again defines CLOCK_TICK_RATE as PIT_TICK_RATE. MIPS defines PIT_LATCH as LATCH which in is defined as ((CLOCK_TICK_RATE + HZ/2) / HZ) and again defines CLOCK_TICK_RATE as 1193182. ARM defines PITCH_LATCH as ((PIT_TICK_RATE + HZ / 2) / HZ) - and that's the sanest thing and equivalent to above definitions so use that as the new definition in . Signed-off-by: Ralf Baechle To: linux-kernel@vger.kernel.org Cc: Russell King Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mips@linux-mips.org arch/arm/include/asm/i8253.h | 2 -- arch/mips/include/asm/i8253.h | 2 -- arch/x86/include/asm/i8253.h | 2 -- include/linux/i8253.h | 4 ++++ 4 files changed, 4 insertions(+), 6 deletions(-) Index: linux-mips/arch/arm/include/asm/i8253.h =================================================================== --- linux-mips.orig/arch/arm/include/asm/i8253.h +++ linux-mips/arch/arm/include/asm/i8253.h @@ -1,6 +1,4 @@ #ifndef __ASMARM_I8253_H #define __ASMARM_I8253_H -#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) - #endif Index: linux-mips/arch/mips/include/asm/i8253.h =================================================================== --- linux-mips.orig/arch/mips/include/asm/i8253.h +++ linux-mips/arch/mips/include/asm/i8253.h @@ -5,8 +5,6 @@ #ifndef __ASM_I8253_H #define __ASM_I8253_H -#define PIT_LATCH LATCH - extern void setup_pit_timer(void); #endif /* __ASM_I8253_H */ Index: linux-mips/arch/x86/include/asm/i8253.h =================================================================== --- linux-mips.orig/arch/x86/include/asm/i8253.h +++ linux-mips/arch/x86/include/asm/i8253.h @@ -1,8 +1,6 @@ #ifndef _ASM_X86_I8253_H #define _ASM_X86_I8253_H -#define PIT_LATCH LATCH - extern void setup_pit_timer(void); #endif /* _ASM_X86_I8253_H */ Index: linux-mips/include/linux/i8253.h =================================================================== --- linux-mips.orig/include/linux/i8253.h +++ linux-mips/include/linux/i8253.h @@ -9,7 +9,9 @@ #ifndef __LINUX_I8253_H #define __LINUX_I8253_H +#include #include +#include #include /* i8253A PIT registers */ @@ -17,6 +19,8 @@ #define PIT_CH0 0x40 #define PIT_CH2 0x42 +#define PIT_LATCH ((PIT_TICK_RATE + HZ/2) / HZ) + #define inb_pit inb_p #define outb_pit outb_p