From nobody Wed Nov 27 13:35:38 2024 Received: from smtpout147.security-mail.net (smtpout147.security-mail.net [85.31.212.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 473251C57A3 for ; Thu, 10 Oct 2024 12:37:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=85.31.212.147 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728563843; cv=fail; b=O4Wh1crjBO3SEVlu5qTHg6tlfKiXA8ZJ5ooWc8LG7R92f4EyNlLKiwwPT9ULnBhykUvloCyZcKFYyRBKQjSJU75udvIy0KmC7LYtSdoBJPPPzaHzAy1sHjtk4KGOCxT4FrKFmQS+Qds2xkALhIUwC2UpKaeZcv4Om/5RhinY+sw= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728563843; c=relaxed/simple; bh=Wh24u107cI7PD08KmHzABZsw+yf/A0fEJI8uXE8dCmw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=N/viBA0xfmRdDlKk7n8vlsXBJXucVvW0+4a7AmpqvYuZoeuI6z1321kh7l3dc+2JiA4Hb2Yp1nohviPJzCx2ay92yLpT76sk4++2iGSYpYlDB4RssXBqFbRcZcadJfkGQaAPjafpsJQfLDL7uUCZksLn0yuyDrPgQSL1zJOsoOk= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=kalrayinc.com; spf=pass smtp.mailfrom=kalrayinc.com; dkim=pass (1024-bit key) header.d=kalrayinc.com header.i=@kalrayinc.com header.b=gI5MTzme; dkim=fail (2048-bit key) header.d=kalrayinc.com header.i=@kalrayinc.com header.b=B1pLhETm reason="signature verification failed"; arc=fail smtp.client-ip=85.31.212.147 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=kalrayinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kalrayinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=kalrayinc.com header.i=@kalrayinc.com header.b="gI5MTzme"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kalrayinc.com header.i=@kalrayinc.com header.b="B1pLhETm" Received: from localhost (fx409.security-mail.net [127.0.0.1]) by fx409.security-mail.net (Postfix) with ESMTP id 9379D3499B4 for ; Thu, 10 Oct 2024 14:36:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kalrayinc.com; s=sec-sig-email; t=1728563811; bh=Wh24u107cI7PD08KmHzABZsw+yf/A0fEJI8uXE8dCmw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gI5MTzmeaBSYdmrmgP94DIO/shHi4FF8YNKwbYb5QHeWgcUDnN30jZ3xjTEWs2QPF /MT5keuoN7CvucY9TIucK/2oxk7Mloj22434eMlYR14l4lvq9xOEcLzb502UVwjzu1 A9pO8qeTDyzg6Knqu8d5kvVkyWTOhBsaH1EuufRU= Received: from fx409 (fx409.security-mail.net [127.0.0.1]) by fx409.security-mail.net (Postfix) with ESMTP id 4EDF734990A; Thu, 10 Oct 2024 14:36:51 +0200 (CEST) Received: from PR0P264CU014.outbound.protection.outlook.com (mail-francecentralazlp17012054.outbound.protection.outlook.com [40.93.76.54]) by fx409.security-mail.net (Postfix) with ESMTPS id 72DD53495B7; Thu, 10 Oct 2024 14:36:50 +0200 (CEST) Received: from PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) by PASP264MB4625.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:435::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8048.18; Thu, 10 Oct 2024 12:36:49 +0000 Received: from PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM ([fe80::6fc2:2c8c:edc1:f626]) by PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM ([fe80::6fc2:2c8c:edc1:f626%4]) with mapi id 15.20.8048.013; Thu, 10 Oct 2024 12:36:49 +0000 X-Secumail-id: <510f.6707ca62.6cfd0.0> ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=MCZVfS/UwN0Cd+AJuu8a3nWWli/ZV6HRjK8l8eCQO8+vNw2p3W2vxt3GLbpapaPR4KYDr0UZyUm0CGm9134NnMhg5tUPPBg8l0eZmKGYsh009TS0H6RUu9xfGWUvScIlY5Pf83zqwtBcn4xKU9lahqTgGuTPrCL67r+L0aqS0x11coG8CghrzcuISv9Hfxg/PtolIVt97PCd1TJhCUOtEjfhgBBDLYJXAGvoKPS9selLfuZXb81lDus2j1bsuyiH8KL5UPcZc3jyyiM8v1VU9oy3pMAjfNlxooe/t7GiULU3ZqXmGthvNpBIJYiZR8KBW1lyJ3cmitBmD5z7V6PmVw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=NyagxVLOGfirvc9f6tu4WyEJve+5URvX1q0tll4fckI=; b=ZfbWtLj8b+enF0KT8Qw+Y5q6+VUqq+m/8Hf39UfQePkrHRPit7X8BfKKLTf2D0UEAmXh8Qt3K3UM6HjmNXC/frTlApNb1zcEwFGR9t/Zyns0++xrq0UYkbj1XnOC/fyqKgkhtk5is3yvLevQy6zVgQrKkQ6KJL/67fFk2BiNiECRUtcIMCTuetD70DYDajqbhA4uO+4zhYtZeJauPy/OKTvAbbvhl9fHBj9Nezxae0xpva+Fsyp8duajErsdqrRjv6/0ygl3HxXgbyDd5sf+HxPyoiqzWC28mTLvMs8ZFhH7tFV7OWiXRPCMoFb33foBfbuuTPAbpViFdrkqDxgqgA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=kalrayinc.com; dmarc=pass action=none header.from=kalrayinc.com; dkim=pass header.d=kalrayinc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kalrayinc.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=NyagxVLOGfirvc9f6tu4WyEJve+5URvX1q0tll4fckI=; b=B1pLhETmFkOqJtArgL7b6s1fji/fMncwG81LBVtM0RqOiXv5uXJM8w4IHir4eIepKhTeiqQxogSeh87DrMpiLe2B6dTL9kQwuPtsaQebT6jlyyIVC7V4TlL0sWHARzsPDgun1puVYqkKhCsWOOwUbYSbtNesXb/zmLnkiW6p13+4zv217O52oWcGVwsyVFP4GKIb1CF6aE5fwJs/2MMwfmgxRJ+4dB4MKuHq7iGjW4Zq6L8vTt50hRSUlhtJ8dVr6j1ZtBEsIPKAen96gP+6ZT6cBTB3zbs7r4a0Bw9wFpBtzyoz1AMD1LwccpjT3xpVyc7XbhbYeMJRqy8+KnQMsQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=kalrayinc.com; From: Julian Vetter To: Arnd Bergmann , Catalin Marinas , Will Deacon , Guo Ren , Huacai Chen , WANG Xuerui , Andrew Morton , Geert Uytterhoeven , Richard Henderson , Niklas Schnelle , Takashi Iwai , Miquel Raynal , David Laight , Johannes Berg , Christoph Hellwig Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-arch@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v9 3/4] csky: Use generic IO memcpy/memset Date: Thu, 10 Oct 2024 14:36:26 +0200 Message-ID: <20241010123627.695191-4-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241010123627.695191-1-jvetter@kalrayinc.com> References: <20241010123627.695191-1-jvetter@kalrayinc.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: AS4P250CA0020.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:5e3::9) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|PASP264MB4625:EE_ X-MS-Office365-Filtering-Correlation-Id: ef1ec6fa-3031-4968-7d08-08dce92835f7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|52116014|366016|7416014|376014|1800799024|38350700014|921020; X-Microsoft-Antispam-Message-Info: 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 D9ImkNZi60ggQqb+04qk3jJOfYRz2Kwvdcz0HQg8Am3J35K9+GF9dlDBFLdrVpiVmeRvcKy6FustzQv4Rhmvo+HAKlzPgdPMG+WrhtUDjgisrBzQkFbTrFX9Zb+TyPLh9SmmJ6f3BCCHdPBEzizfLOMtNvRcltgIn7GJ5Fg/KyDfY8FBxX91V5E6lEPWj4Emk3GS/Bcoh6JQ1/KkxIPXC7kfnkqm0CuzhjcfSwqLWSEc9tQdoOBTKZnwZLA7BTDbTbq6j6ecp59uQ7J7gIG7BVziA/54W3PUP4qwHN8tgVEppKxSnkMSKoQO1tUlnWmlO/rZc/nhNNf3xiKlk52HGG0kem4GhCes0VvDx47DAeU9OpQ6HK2ydYaLX22a4oQzbaDzyrh042hxcRu/Dk3Yq8qtibxEKNZEb6Z8YgXs= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(52116014)(366016)(7416014)(376014)(1800799024)(38350700014)(921020);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: kalrayinc.com X-MS-Exchange-CrossTenant-Network-Message-Id: ef1ec6fa-3031-4968-7d08-08dce92835f7 X-MS-Exchange-CrossTenant-AuthSource: PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2024 12:36:49.4229 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8931925d-7620-4a64-b7fe-20afd86363d3 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: mO3vuqIxgWTqYXzmPMyg4ezlVvbGsmSzM85a2bDhn2ozCZbGMXWLm9TQiAg/xCdzKuAbkLpj8GLsLakXSV426g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PASP264MB4625 X-ALTERMIMEV2_out: done Content-Type: text/plain; charset="utf-8" Use the generic memcpy_{from,to}io and memset_io functions on the csky processor architecture. Acked-by: Guo Ren Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v9: - No changes --- arch/csky/include/asm/io.h | 11 ----- arch/csky/kernel/Makefile | 2 +- arch/csky/kernel/io.c | 91 -------------------------------------- 3 files changed, 1 insertion(+), 103 deletions(-) delete mode 100644 arch/csky/kernel/io.c diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h index 4725bb977b0f..ed53f0b47388 100644 --- a/arch/csky/include/asm/io.h +++ b/arch/csky/include/asm/io.h @@ -31,17 +31,6 @@ #define writel(v,c) ({ wmb(); writel_relaxed((v),(c)); mb(); }) #endif =20 -/* - * String version of I/O memory access operations. - */ -extern void __memcpy_fromio(void *, const volatile void __iomem *, size_t); -extern void __memcpy_toio(volatile void __iomem *, const void *, size_t); -extern void __memset_io(volatile void __iomem *, int, size_t); - -#define memset_io(c,v,l) __memset_io((c),(v),(l)) -#define memcpy_fromio(a,c,l) __memcpy_fromio((a),(c),(l)) -#define memcpy_toio(c,a,l) __memcpy_toio((c),(a),(l)) - /* * I/O memory mapping functions. */ diff --git a/arch/csky/kernel/Makefile b/arch/csky/kernel/Makefile index 8a868316b912..de1c3472e8f0 100644 --- a/arch/csky/kernel/Makefile +++ b/arch/csky/kernel/Makefile @@ -2,7 +2,7 @@ extra-y :=3D vmlinux.lds =20 obj-y +=3D head.o entry.o atomic.o signal.o traps.o irq.o time.o vdso.o vd= so/ -obj-y +=3D power.o syscall.o syscall_table.o setup.o io.o +obj-y +=3D power.o syscall.o syscall_table.o setup.o obj-y +=3D process.o cpu-probe.o ptrace.o stacktrace.o obj-y +=3D probes/ =20 diff --git a/arch/csky/kernel/io.c b/arch/csky/kernel/io.c deleted file mode 100644 index 5883f13fa2b1..000000000000 --- a/arch/csky/kernel/io.c +++ /dev/null @@ -1,91 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include -#include -#include - -/* - * Copy data from IO memory space to "real" memory space. - */ -void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t c= ount) -{ - while (count && !IS_ALIGNED((unsigned long)from, 4)) { - *(u8 *)to =3D __raw_readb(from); - from++; - to++; - count--; - } - - while (count >=3D 4) { - *(u32 *)to =3D __raw_readl(from); - from +=3D 4; - to +=3D 4; - count -=3D 4; - } - - while (count) { - *(u8 *)to =3D __raw_readb(from); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_fromio); - -/* - * Copy data from "real" memory space to IO memory space. - */ -void __memcpy_toio(volatile void __iomem *to, const void *from, size_t cou= nt) -{ - while (count && !IS_ALIGNED((unsigned long)to, 4)) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } - - while (count >=3D 4) { - __raw_writel(*(u32 *)from, to); - from +=3D 4; - to +=3D 4; - count -=3D 4; - } - - while (count) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_toio); - -/* - * "memset" on IO memory space. - */ -void __memset_io(volatile void __iomem *dst, int c, size_t count) -{ - u32 qc =3D (u8)c; - - qc |=3D qc << 8; - qc |=3D qc << 16; - - while (count && !IS_ALIGNED((unsigned long)dst, 4)) { - __raw_writeb(c, dst); - dst++; - count--; - } - - while (count >=3D 4) { - __raw_writel(qc, dst); - dst +=3D 4; - count -=3D 4; - } - - while (count) { - __raw_writeb(c, dst); - dst++; - count--; - } -} -EXPORT_SYMBOL(__memset_io); --=20 2.34.1