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GET /api/patches/2218602/?format=api
{ "id": 2218602, "url": "http://patchwork.ozlabs.org/api/patches/2218602/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260401-casey-ccf-compat-v2-11-414d5b7f040b@linaro.org/", "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": "<20260401-casey-ccf-compat-v2-11-414d5b7f040b@linaro.org>", "list_archive_url": null, "date": "2026-04-01T14:15:27", "name": "[v2,11/11] compat: math64: add abs_diff()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1a643a7a153227c7171467f7296218e1d5b1ef9f", "submitter": { "id": 90679, "url": "http://patchwork.ozlabs.org/api/people/90679/?format=api", "name": "Casey Connolly", "email": "casey.connolly@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260401-casey-ccf-compat-v2-11-414d5b7f040b@linaro.org/mbox/", "series": [ { "id": 498341, "url": "http://patchwork.ozlabs.org/api/series/498341/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=498341", "date": "2026-04-01T14:15:17", "name": "Linux compat improvements and CCF prep", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/498341/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218602/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218602/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=Nxw0TQvQ;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260401-casey-ccf-compat-v2-11-414d5b7f040b@linaro.org>", "References": "<20260401-casey-ccf-compat-v2-0-414d5b7f040b@linaro.org>", "In-Reply-To": "<20260401-casey-ccf-compat-v2-0-414d5b7f040b@linaro.org>", "To": "u-boot@lists.denx.de", "Cc": "Tom Rini <trini@konsulko.com>,\n Casey Connolly <casey.connolly@linaro.org>,\n Ilias Apalodimas <ilias.apalodimas@linaro.org>,\n Simon Glass <sjg@chromium.org>,\n Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>,\n Romain Gantois <romain.gantois@bootlin.com>,\n Andrew Goodbody <andrew.goodbody@linaro.org>,\n Patrice Chotard <patrice.chotard@foss.st.com>,\n Raymond Mao <raymondmaoca@gmail.com>, Peng Fan <peng.fan@nxp.com>", "X-Mailer": "b4 0.15-dev-47773", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1206;\n i=casey.connolly@linaro.org; h=from:subject:message-id;\n bh=yarHnrRLw4B3Nkf5OgSsh1JbtkF80PzViaDD1jJC89M=;\n b=owGbwMvMwCFYaeA6f6eBkTjjabUkhsyzGlVrv5vNbL8Xe/i/0NSzKQyWb2Kef5q3mclsep6hz\n PGNily6HaUsDIIcDLJiiiziJ5ZZNq29bK+xfcEFmDmsTCBDGLg4BWAifWmMDBNrOJZzdD5UTru4\n JLDYIzvEW7fpfk7e972dW021L6oEezL8s77H61625yxDWHXr8+xb7y9Y3tpfXmPQ/0d16dnSNfv\n e3gUA", "X-Developer-Key": "i=casey.connolly@linaro.org; a=openpgp;\n fpr=83B24DA7FE145076BC38BB250CD904EB673A7C47", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://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 <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Add the abs_diff() macro, copied directly from Linux 6.18.\n\nSigned-off-by: Casey Connolly <casey.connolly@linaro.org>\n---\n include/linux/math64.h | 19 +++++++++++++++++++\n 1 file changed, 19 insertions(+)", "diff": "diff --git a/include/linux/math64.h b/include/linux/math64.h\nindex eaa9fd5b9685..70a7ee3ff1d3 100644\n--- a/include/linux/math64.h\n+++ b/include/linux/math64.h\n@@ -256,5 +256,24 @@ static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor)\n \treturn rl.ll;\n }\n #endif /* mul_u64_u32_div */\n \n+/**\n+ * abs_diff - return absolute value of the difference between the arguments\n+ * @a: the first argument\n+ * @b: the second argument\n+ *\n+ * @a and @b have to be of the same type. With this restriction we compare\n+ * signed to signed and unsigned to unsigned. The result is the subtraction\n+ * the smaller of the two from the bigger, hence result is always a positive\n+ * value.\n+ *\n+ * Return: an absolute value of the difference between the @a and @b.\n+ */\n+#define abs_diff(a, b) ({\t\t\t\\\n+\ttypeof(a) __a = (a);\t\t\t\\\n+\ttypeof(b) __b = (b);\t\t\t\\\n+\t(void)(&__a == &__b);\t\t\t\\\n+\t__a > __b ? (__a - __b) : (__b - __a);\t\\\n+})\n+\n #endif /* _LINUX_MATH64_H */\n", "prefixes": [ "v2", "11/11" ] }