From patchwork Tue Oct 8 07:50:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Vetter X-Patchwork-Id: 13825872 Received: from smtpout148.security-mail.net (smtpout148.security-mail.net [85.31.212.148]) (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 A5CBD1E0DD0 for ; Tue, 8 Oct 2024 07:51:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=85.31.212.148 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728373880; cv=fail; b=FCL3XY822v4hbeAcKINC1n9p7kv10VcU0pPtAgPqCshGbzV2Vzn4whyaysLmH1HVH4lPTQmvnXb0NTE3p0GJ0feb5nIAs1owtNfK5xyIeCCffGLKmbU80OKRixFdmnmG7sDOMA1bA9CQqBO1bNer+t2imzsiN6hDXxvyqtn9zaQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728373880; c=relaxed/simple; bh=LYivk9CW+Nsc832uCfDcNGxjlnPymTiNja7AZMBw8+c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=khlCir725mK83JqJU3ZHfzp7demxnc11TKYYxHxGn9rG+hedTUtyr7znRco8A31RVcxpXo4cO/fcNifj7wgJ3EC06jSj7Qwo9zqNsl6/Z939CEr+fQ0YT5yGhIal3M11kOiXin5y3fA32Gb9gfopEoE+Z6Qgr0AyMZBjJLIckg4= 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=W7Kmp5UM; dkim=fail (2048-bit key) header.d=kalrayinc.com header.i=@kalrayinc.com header.b=IG98X5sJ reason="signature verification failed"; arc=fail smtp.client-ip=85.31.212.148 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="W7Kmp5UM"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kalrayinc.com header.i=@kalrayinc.com header.b="IG98X5sJ" Received: from localhost (fx408.security-mail.net [127.0.0.1]) by fx408.security-mail.net (Postfix) with ESMTP id BFFC0322EB4 for ; Tue, 08 Oct 2024 09:51:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kalrayinc.com; s=sec-sig-email; t=1728373870; bh=LYivk9CW+Nsc832uCfDcNGxjlnPymTiNja7AZMBw8+c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=W7Kmp5UMtNTKwtL8nxXKVcrY0+LjqPSHqo85MB6TTZBj4oSlh5U7AWyNdJTJPy/c5 JXWk++vZSKOvHu1euZA9gKZ4Sw6TRgNky9HA9S/r5vb3NDoOFQWViQid+7jHBwriy9 DDDkrwAUbJ0vfI89Zz9Y4AcrFeexAVOggxmgDLAA= Received: from fx408 (fx408.security-mail.net [127.0.0.1]) by fx408.security-mail.net (Postfix) with ESMTP id 4E39C322B46; Tue, 08 Oct 2024 09:51:10 +0200 (CEST) Received: from PA5P264CU001.outbound.protection.outlook.com (mail-francecentralazlp17010004.outbound.protection.outlook.com [40.93.76.4]) by fx408.security-mail.net (Postfix) with ESMTPS id 98AC9322B26; Tue, 08 Oct 2024 09:51:07 +0200 (CEST) Received: from PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) by MR1P264MB2194.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:5::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8026.23; Tue, 8 Oct 2024 07:51:06 +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 15.20.8026.020; Tue, 8 Oct 2024 07:51:06 +0000 X-Secumail-id: <7633.6704e46b.97503.0> ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=OButzswDsjyOfitLrmYmsdnDdBsd6rLH5BrfbngRZbACZNRCdwlKrPAw/M3Lgs1wuhGcqYHXwulQ4WNAB33smd98/XJmnKawrif3SemcT13tWjyVnnG91ZwmTJglBF76QATs9pnnN4JuGLoaebNQR00EOO+1V3zcXx4S+f7wLQBwe/cT6LVAXG1+qxkQTLaLRxi/jmBGidNVvMIC5VtQMl2Cy7BbZPO7//dAeQwuuOL1V3lAGj2YwbiMVFngWGEFJS/O8yymF7B5rzE1Kpj3SXUR3hILSeMgh5ZkVa6k0kwO3ra1g46Hkzfo1ml8bHnlkapNQeQoDwJur5Q1fxu0hA== 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=1ZFVOS3KT6KCXlOD3A7zZJ7JauWX6wsLvFhd/x3nNuc=; b=kBprZjz9EyZp3JpO3aAsIOhVVS6/cXrsvu1+4s4pEt1W0YKIXaL8Qx+m1Qtv/dqKAMmQ7LNGDvT3AbEqXezmd8ADvXQvuMlgzsMsrwJg9RMA9Mbtr3HyEW8bQVjTvA+MhsyMn6oHx61sIDNvRyv/5uvq9X3MtdLwLni/XALRTdg3ZEsiL5nCA4VBnTtBFxIePdKx+K14JaUYLdS/EwlZOxRm5HBeJrsPkav13YeiFr3vGRQgZ7WT79zGmh5+mS7EhrvVlrTKFeZkCADLKp3s4AtBxioOoChU2Cit1/EE9g2tXceZhWL8K7UNdv+WEyMCM2lBlIBFrinQHHohwVWZOQ== 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=1ZFVOS3KT6KCXlOD3A7zZJ7JauWX6wsLvFhd/x3nNuc=; b=IG98X5sJ8gHn6qkPiCwnKIwwxt2f2h8kA+TJs5gUc7Do+gXt1HKM1G/zYzxfb7n8lECXLF6JFBsJw8Y+z8z/d887jnfQs+oOO1h1yKbQ12sLBwNg3ekPDlPPPSD6xz1P8ZMKkM0YApEzw5tLvN/BBWpUVPKuGpayPDO8XQWjFvHD8Jw2sERxMsS1l6C184JmHRDILbWds/pQMltP3LF14FRYSGqJJG6e274cveX8x3cyFjwDeLZsR8yyUvqoKgQPjafXQIDzRpSUaiYQA9lBdUUJdmPbg0GgpU/nRdUJzbP2vT7ur1AHnWo1L6BwC2eMg65KuV+9MPIBo8T1OSt6MQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=kalrayinc.com; From: Julian Vetter To: Arnd Bergmann , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Huacai Chen , WANG Xuerui , Andrew Morton , Geert Uytterhoeven , Richard Henderson , Ivan Kokshaysky , Matt Turner , "James E . J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 03/14] csky: Use generic IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:11 +0200 Message-ID: <20241008075023.3052370-4-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 8ead3207-16af-4e2c-62e4-08dce76df714 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|52116014|366016|921020|38350700014; X-Microsoft-Antispam-Message-Info: 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 9zjE56KnL0KxQqiuJN3iJ+HEDo4HR5+x658Ans/mO2TawCQmWjw4FySdnXma6G5Qgm3V2CPzgEHNlsgpTQZVJ1qqECyHv5EjeAJI1ThWIKgcLh8cHA0rBGmPIeWLmskHqFqf3ZeUi6Z2hXcwNzUkjP6AXhvgt7+ztEUvIvBAEE2lQDKsMQai6UvxhjnoWWjW7AGks7lQ1K+s3V5+EglHzUbYhWGI4uAIB27hNX0dOmokIgfjJZiLRJnCoqKn6/9BBXcALEPvY6df1NhrgiBNlwIeoAO8NrgF90vC5eL9vHrXuNzuibm3hiAq5hNjOiGG6s9nXae3Kiv5mUzxOSNwCalSk9ikHO5YkVeF4SrniSRpGjhfX7TbBxEq2Q/WBXX98tyOiSmjWWnpqYlFiACZAO90Hb+bOtJ1ieS+IIug= 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)(1800799024)(376014)(7416014)(52116014)(366016)(921020)(38350700014);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: 8ead3207-16af-4e2c-62e4-08dce76df714 X-MS-Exchange-CrossTenant-AuthSource: PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Oct 2024 07:51:06.3809 (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: feilWmrlYcZFlfo/olYQE2ZBgR4Psw29H8i+pJrcd1mga3NAOkg+HykIO1oP+QwBt6GGPSkSrahjZDMm4o87Dw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MR1P264MB2194 X-ALTERMIMEV2_out: done Use the generic memcpy_{from,to}io and memset_io functions on the csky processor architecture. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - 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 -/* - * 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 := vmlinux.lds obj-y += head.o entry.o atomic.o signal.o traps.o irq.o time.o vdso.o vdso/ -obj-y += power.o syscall.o syscall_table.o setup.o io.o +obj-y += power.o syscall.o syscall_table.o setup.o obj-y += process.o cpu-probe.o ptrace.o stacktrace.o obj-y += probes/ 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 count) -{ - while (count && !IS_ALIGNED((unsigned long)from, 4)) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } - - while (count >= 4) { - *(u32 *)to = __raw_readl(from); - from += 4; - to += 4; - count -= 4; - } - - while (count) { - *(u8 *)to = __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 count) -{ - while (count && !IS_ALIGNED((unsigned long)to, 4)) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } - - while (count >= 4) { - __raw_writel(*(u32 *)from, to); - from += 4; - to += 4; - count -= 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 = (u8)c; - - qc |= qc << 8; - qc |= qc << 16; - - while (count && !IS_ALIGNED((unsigned long)dst, 4)) { - __raw_writeb(c, dst); - dst++; - count--; - } - - while (count >= 4) { - __raw_writel(qc, dst); - dst += 4; - count -= 4; - } - - while (count) { - __raw_writeb(c, dst); - dst++; - count--; - } -} -EXPORT_SYMBOL(__memset_io);