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GET /api/patches/813969/?format=api
{ "id": 813969, "url": "http://patchwork.ozlabs.org/api/patches/813969/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170914220513.9359-14-paul.burton@imgtec.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170914220513.9359-14-paul.burton@imgtec.com>", "list_archive_url": null, "date": "2017-09-14T22:05:13", "name": "[U-Boot,v2,13/13] sandbox: Use asm-generic/io.h", "commit_ref": "f7ae1ca3e894d67ef1e8b6256a26c08e30e25127", "pull_url": null, "state": "accepted", "archived": false, "hash": "59370b7e523eba5c717063a14045baae40d5485c", "submitter": { "id": 33698, "url": "http://patchwork.ozlabs.org/api/people/33698/?format=api", "name": "Paul Burton", "email": "paul.burton@imgtec.com" }, "delegate": { "id": 3651, "url": "http://patchwork.ozlabs.org/api/users/3651/?format=api", "username": "trini", "first_name": "Tom", "last_name": "Rini", "email": "trini@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170914220513.9359-14-paul.burton@imgtec.com/mbox/", "series": [ { "id": 3169, "url": "http://patchwork.ozlabs.org/api/series/3169/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=3169", "date": "2017-09-14T22:05:00", "name": "Add asm-generic/io.h; virt_to_phys(), phys_to_virt() for all arches", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/3169/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/813969/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/813969/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xtXps0L5rz9s3T\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 15 Sep 2017 08:13:08 +1000 (AEST)", "by lists.denx.de (Postfix, from userid 105)\n\tid C9F49C21F4B; Thu, 14 Sep 2017 22:12:31 +0000 (UTC)", "from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 64FA3C21F26;\n\tThu, 14 Sep 2017 22:12:15 +0000 (UTC)", "by lists.denx.de (Postfix, from userid 105)\n\tid 73195C21F74; Thu, 14 Sep 2017 22:09:28 +0000 (UTC)", "from mailapp01.imgtec.com (mailapp01.imgtec.com [195.59.15.196])\n\tby lists.denx.de (Postfix) with ESMTP id 74727C21F01\n\tfor <u-boot@lists.denx.de>; Thu, 14 Sep 2017 22:09:25 +0000 (UTC)", "from hhmail02.hh.imgtec.org (unknown [10.100.10.20])\n\tby Forcepoint Email with ESMTPS id 7DC31D59A4CCC;\n\tThu, 14 Sep 2017 23:09:19 +0100 (IST)", "from localhost (10.20.1.88) by hhmail02.hh.imgtec.org\n\t(10.100.10.21) with Microsoft SMTP Server (TLS) id 14.3.294.0;\n\tThu, 14 Sep 2017 23:09:24 +0100" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE\n\tautolearn=unavailable autolearn_force=no version=3.4.0", "From": "Paul Burton <paul.burton@imgtec.com>", "To": "<u-boot@lists.denx.de>", "Date": "Thu, 14 Sep 2017 15:05:13 -0700", "Message-ID": "<20170914220513.9359-14-paul.burton@imgtec.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170914220513.9359-1-paul.burton@imgtec.com>", "References": "<20170914220513.9359-1-paul.burton@imgtec.com>", "MIME-Version": "1.0", "X-Originating-IP": "[10.20.1.88]", "Subject": "[U-Boot] [PATCH v2 13/13] sandbox: Use asm-generic/io.h", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.18", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>" }, "content": "Convert the sandbox architecture to make use of the new asm-generic/io.h\nto provide address mapping functions. As sandbox actually performs\nnon-identity mapping between physical & virtual addresses we can't\nsimply make use of the generic mapping functions, but are able to\nimplement phys_to_virt() & make use of it from map_physmem().\n\nSigned-off-by: Paul Burton <paul.burton@imgtec.com>\nCc: Simon Glass <sjg@chromium.org>\nAcked-by: Simon Glass <sjg@chromium.org>\n\n---\n\nChanges in v2:\n- Move include earlier to get MAP_WRBACK for (un)map_sysmem()\n- Cast vaddr to uint8_t* in virt_to_phys() for arithmetic with ram_buf\n\n arch/sandbox/cpu/cpu.c | 12 +++++++++++-\n arch/sandbox/include/asm/io.h | 18 +++++++++---------\n 2 files changed, 20 insertions(+), 10 deletions(-)", "diff": "diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c\nindex 01991049cc..66c3a6a88a 100644\n--- a/arch/sandbox/cpu/cpu.c\n+++ b/arch/sandbox/cpu/cpu.c\n@@ -56,6 +56,16 @@ int cleanup_before_linux_select(int flags)\n \treturn 0;\n }\n \n+void *phys_to_virt(phys_addr_t paddr)\n+{\n+\treturn (void *)(gd->arch.ram_buf + paddr);\n+}\n+\n+phys_addr_t virt_to_phys(void *vaddr)\n+{\n+\treturn (phys_addr_t)((uint8_t *)vaddr - gd->arch.ram_buf);\n+}\n+\n void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)\n {\n #if defined(CONFIG_PCI) && !defined(CONFIG_SPL_BUILD)\n@@ -73,7 +83,7 @@ void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)\n \t}\n #endif\n \n-\treturn (void *)(gd->arch.ram_buf + paddr);\n+\treturn phys_to_virt(paddr);\n }\n \n void unmap_physmem(const void *vaddr, unsigned long flags)\ndiff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h\nindex a6856356df..fd3c2478f7 100644\n--- a/arch/sandbox/include/asm/io.h\n+++ b/arch/sandbox/include/asm/io.h\n@@ -7,22 +7,22 @@\n #ifndef __SANDBOX_ASM_IO_H\n #define __SANDBOX_ASM_IO_H\n \n-/*\n- * Given a physical address and a length, return a virtual address\n- * that can be used to access the memory range with the caching\n- * properties specified by \"flags\".\n- */\n-#define MAP_NOCACHE\t(0)\n-#define MAP_WRCOMBINE\t(0)\n-#define MAP_WRBACK\t(0)\n-#define MAP_WRTHROUGH\t(0)\n+void *phys_to_virt(phys_addr_t paddr);\n+#define phys_to_virt phys_to_virt\n+\n+phys_addr_t virt_to_phys(void *vaddr);\n+#define virt_to_phys virt_to_phys\n \n void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags);\n+#define map_physmem map_physmem\n \n /*\n * Take down a mapping set up by map_physmem().\n */\n void unmap_physmem(const void *vaddr, unsigned long flags);\n+#define unmap_physmem unmap_physmem\n+\n+#include <asm-generic/io.h>\n \n /* For sandbox, we want addresses to point into our RAM buffer */\n static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)\n", "prefixes": [ "U-Boot", "v2", "13/13" ] }