Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 31 Jan 2003 03:01:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 31 Jan 2003 03:01:14 -0500 Received: from cs-ats40.donpac.ru ([217.107.128.161]:45319 "EHLO pazke") by vger.kernel.org with ESMTP id ; Fri, 31 Jan 2003 03:01:12 -0500 Date: Fri, 31 Jan 2003 11:05:43 +0300 To: linux-kernel@vger.kernel.org Subject: [PATCH] create header file for i386/kernel/i8259.c Message-ID: <20030131080543.GC8183@pazke> Mail-Followup-To: linux-kernel@vger.kernel.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="GZVR6ND4mMseVXL/" Content-Disposition: inline User-Agent: Mutt/1.3.28i X-Uname: Linux 2.4.20aa1 i686 unknown From: Andrey Panin Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --GZVR6ND4mMseVXL/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi all, this trivial patch against 2.5.59 creates header file asm-i386/i8259.h and exports some prototypes and macros related to i8259 handling into it. This allows subarches (such as visws) to use some parts of i8259.c for handling their nonstandard hardware. Please consider applying. Best regards. -- Andrey Panin | Embedded systems software developer pazke@orbita1.ru | PGP key: wwwkeys.pgp.net --GZVR6ND4mMseVXL/ Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=patch-i8259 diff -urN -X /usr/share/dontdiff linux-2.5.59.vanilla/arch/i386/kernel/i8259.c linux-2.5.59/arch/i386/kernel/i8259.c --- linux-2.5.59.vanilla/arch/i386/kernel/i8259.c Wed Jan 15 20:37:20 2003 +++ linux-2.5.59/arch/i386/kernel/i8259.c Sun Jan 19 18:43:10 2003 @@ -22,6 +22,7 @@ #include #include #include +#include #include @@ -47,7 +48,7 @@ void mask_and_ack_8259A(unsigned int); -static unsigned int startup_8259A_irq(unsigned int irq) +unsigned int startup_8259A_irq(unsigned int irq) { enable_8259A_irq(irq); return 0; /* never anything pending */ @@ -71,11 +72,7 @@ /* * This contains the irq mask for both 8259A irq controllers, */ -static unsigned int cached_irq_mask = 0xffff; - -#define __byte(x,y) (((unsigned char *)&(y))[x]) -#define cached_21 (__byte(0,cached_irq_mask)) -#define cached_A1 (__byte(1,cached_irq_mask)) +unsigned int cached_irq_mask = 0xffff; /* * Not all IRQs can be routed through the IO-APIC, eg. on certain (older) diff -urN -X /usr/share/dontdiff linux-2.5.59.vanilla/include/asm-i386/i8259.h linux-2.5.59/include/asm-i386/i8259.h --- linux-2.5.59.vanilla/include/asm-i386/i8259.h Thu Jan 1 03:00:00 1970 +++ linux-2.5.59/include/asm-i386/i8259.h Sun Jan 19 18:43:10 2003 @@ -0,0 +1,17 @@ +#ifndef __ASM_I8259_H__ +#define __ASM_I8259_H__ + +extern unsigned int cached_irq_mask; + +#define __byte(x,y) (((unsigned char *) &(y))[x]) +#define cached_21 (__byte(0, cached_irq_mask)) +#define cached_A1 (__byte(1, cached_irq_mask)) + +extern spinlock_t i8259A_lock; + +extern void init_8259A(int auto_eoi); +extern void enable_8259A_irq(unsigned int irq); +extern void disable_8259A_irq(unsigned int irq); +extern unsigned int startup_8259A_irq(unsigned int irq); + +#endif /* __ASM_I8259_H__ */ --GZVR6ND4mMseVXL/-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/