From patchwork Mon Jan 19 06:15:09 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 1618 Return-Path: X-Original-To: u-boot-concept@u-boot.org Delivered-To: u-boot-concept@u-boot.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=u-boot.org; s=default; t=1768803399; bh=8TK1XugpPlhdZE79MQE+xO8zZTJ8wNZg1ezuXzsF1Ro=; h=From:To:Date:In-Reply-To:References:CC:Subject:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=B2dUStxcmFOILKdkBcLzOGZtF2N31QNC7zmEfrOF7UDMwUwim7Rm7vSRMiRi7RO9p wfOr4XXiCCeYMXewPL1KJxgslWZo2qB1UHGZPmcgW9UVCcg9WM5jG9FfbT0JoUIjbH CidwHN2eBj6ek7McFugTBeh0LVZ7hYJverTZ6f6c20a2zhCIsUd+7yKKwTK9tHZnCk e7RR5Buefu2VHK6sX/e+yYnsKg3rEQmup4XlRjFrRHzh+9lD5oasKljXapIz74VMoI VqO8suN43hIjHUwcFZJq23hhVK8QSTtoCuwlCLAWqdXIjGyiBPwFero3ptyVnIyIH7 jyt2qqt3az8ZA== Received: from localhost (localhost [127.0.0.1]) by mail.u-boot.org (Postfix) with ESMTP id 0FA25693AE for ; Sun, 18 Jan 2026 23:16:39 -0700 (MST) X-Virus-Scanned: Debian amavis at Received: from mail.u-boot.org ([127.0.0.1]) by localhost (mail.u-boot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id PJ1gGUlDYFz6 for ; Sun, 18 Jan 2026 23:16:38 -0700 (MST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=u-boot.org; s=default; t=1768803398; bh=8TK1XugpPlhdZE79MQE+xO8zZTJ8wNZg1ezuXzsF1Ro=; h=From:To:Date:In-Reply-To:References:CC:Subject:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=jyUHLuT4mju0vNgJB1MhPEqULl/ui5pJfEWtdHhUFpfJgrpH6BMb7EA1uOdrotI8z hOPsFXsrn+bTT9DeA2+ELm8YKjRYHW2fbVLG+EFHvW8LBW3OutOxWzhr0z2kibb0Bu IPK4KfQHGJqfRS8sjRpphQGEZd12i/OWQBn0CMb2Y7txmdGZhxKdf7O2lJGTtVrkXM 907fjI8pVzE2xpeGsn8fba9/CtPSstPGLRzahQUOzVKGntn0v19GiEih4N2ZSrxw7i PSDZtqL1a7I9dPH0yqVtnEwjaO1WgUKYaNjfp374c+cJmNrg82ql19CAJ96SNPfw7k vhtv2gXFdv18Q== Received: from mail.u-boot.org (localhost [127.0.0.1]) by mail.u-boot.org (Postfix) with ESMTP id EEAF3694C7 for ; Sun, 18 Jan 2026 23:16:38 -0700 (MST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=u-boot.org; s=default; t=1768803397; bh=dNSTe2oSdaaM98wiC34MMFhewrzd5kLh8JRPeQN7ses=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Dkv6bIRqKnZZRvpGBmevmkSuNYeMuRtCvDlQJfNvuqwLD49wsUeJAna4NQidkGUrX hLRxzrRWxrFg5yABHhsspfa7e9zCmQtZIYv6Oi36R9O+TAzRek8hMg+CGt7wDgcPdN Jm+kJqHlJvu5A1Mr2CPWtr7L8x3KYlvKyV8NX2ojmixxJZb/tObnszsY7uKEQAzLkV HIRk1/O1IfZBc+YvhAXBEuGvqrXAqZGQA8VRpODVfkyMlfBXc2RMnh4aPuKp1LVEQa Xl32eSObiVomJPsc26EVkR2eBqOn652ZstW1cpfCxjMyt8Uak7n4oURa75ISRBgl3F ouUqLmqPy2rrA== Received: from localhost (localhost [127.0.0.1]) by mail.u-boot.org (Postfix) with ESMTP id 03878693AE; Sun, 18 Jan 2026 23:16:37 -0700 (MST) X-Virus-Scanned: Debian amavis at Received: from mail.u-boot.org ([127.0.0.1]) by localhost (mail.u-boot.org [127.0.0.1]) (amavis, port 10026) with ESMTP id h7QhrZgRFmN1; Sun, 18 Jan 2026 23:16:36 -0700 (MST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=u-boot.org; s=default; t=1768803392; bh=V2eitG0mOh67m/PEw5NL4TyA35Ui+519LJ0xv7TeShE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t3Vb9PeQFBwMU+g8Dh1BVlofvr6TDcUYQ010oqmGtBbZzPEAsl+rZoCwTpHxMTgdG 88qHMfG1u5Issy47SmE/E+NDjl5EF0mldU9nQ++BRvrCHL/xxyTAYMFSfPgkud/Skm k+Jo1jEJDNBz3oqmGnDbQT0m1NNUzRbb8dgmwvMZJFumX6mgS8DRvjoCsOyaE0yFQJ 6WZ4+GZOb1MrFWBPhRGfbh/uYBTuAvdoxmDQAeLWONKZu3n6Zh8AAMJ7Iz0Sb4cWcG 1VbbdX73SpkCEji37K2pVwJl4bqQaXjPu5rHNCPg2l6EH5P7JEtiL3d2L0pj8jlzQO mrv/eEqLuTsbw== Received: from u-boot.org (unknown [73.34.74.121]) by mail.u-boot.org (Postfix) with ESMTPSA id AB1EE694C7; Sun, 18 Jan 2026 23:16:32 -0700 (MST) From: Simon Glass To: U-Boot Concept Date: Sun, 18 Jan 2026 23:15:09 -0700 Message-ID: <20260119061529.3383191-12-sjg@u-boot.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260119061529.3383191-1-sjg@u-boot.org> References: <20260119061529.3383191-1-sjg@u-boot.org> MIME-Version: 1.0 Message-ID-Hash: INT6SKUKQKSTBLGHHRO53XXJQQ64OCVP X-Message-ID-Hash: INT6SKUKQKSTBLGHHRO53XXJQQ64OCVP X-MailFrom: sjg@u-boot.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Simon Glass , "Claude Opus 4 . 5" X-Mailman-Version: 3.3.10 Precedence: list Subject: [Concept] [PATCH 11/23] ext4l: Add linux/hrtimer.h with timer stubs List-Id: Discussion and patches related to U-Boot Concept Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Simon Glass Create include/linux/hrtimer.h with high-resolution timer definitions. This includes the hrtimer_mode enum values and schedule_hrtimeout() stub, matching Linux kernel organisation. These are stubs since U-Boot does not support high-resolution timers. Co-developed-by: Claude Opus 4.5 Signed-off-by: Simon Glass --- fs/ext4l/ext4_uboot.h | 5 ++--- include/linux/hrtimer.h | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+), 3 deletions(-) create mode 100644 include/linux/hrtimer.h diff --git a/fs/ext4l/ext4_uboot.h b/fs/ext4l/ext4_uboot.h index 58479ccb2fe..89d1296c18b 100644 --- a/fs/ext4l/ext4_uboot.h +++ b/fs/ext4l/ext4_uboot.h @@ -839,9 +839,8 @@ static inline unsigned long memweight(const void *ptr, size_t bytes) /* ktime functions - use linux/ktime.h */ #include -/* hrtimer stubs */ -#define HRTIMER_MODE_ABS 0 -#define schedule_hrtimeout(exp, mode) ({ (void)(exp); (void)(mode); 0; }) +/* hrtimer - use linux/hrtimer.h */ +#include /* write lock variants */ #define write_trylock(lock) ({ (void)(lock); 1; }) diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h new file mode 100644 index 00000000000..98178498b2d --- /dev/null +++ b/include/linux/hrtimer.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * High-resolution timer definitions for U-Boot + * + * Based on Linux hrtimer.h - high resolution timers. + * U-Boot stub - high-resolution timers not supported. + */ +#ifndef _LINUX_HRTIMER_H +#define _LINUX_HRTIMER_H + +/* High-resolution timer modes */ +enum hrtimer_mode { + HRTIMER_MODE_ABS = 0x00, + HRTIMER_MODE_REL = 0x01, + HRTIMER_MODE_PINNED = 0x02, + HRTIMER_MODE_SOFT = 0x04, + HRTIMER_MODE_HARD = 0x08, + + HRTIMER_MODE_ABS_PINNED = HRTIMER_MODE_ABS | HRTIMER_MODE_PINNED, + HRTIMER_MODE_REL_PINNED = HRTIMER_MODE_REL | HRTIMER_MODE_PINNED, + HRTIMER_MODE_ABS_SOFT = HRTIMER_MODE_ABS | HRTIMER_MODE_SOFT, + HRTIMER_MODE_REL_SOFT = HRTIMER_MODE_REL | HRTIMER_MODE_SOFT, + HRTIMER_MODE_ABS_HARD = HRTIMER_MODE_ABS | HRTIMER_MODE_HARD, + HRTIMER_MODE_REL_HARD = HRTIMER_MODE_REL | HRTIMER_MODE_HARD, +}; + +/** + * schedule_hrtimeout() - sleep until timeout with high-resolution timer + * @expires: timeout value (ktime_t) + * @mode: timer mode + * + * U-Boot stub - returns immediately. + * + * Return: 0 + */ +#define schedule_hrtimeout(expires, mode) \ + ({ (void)(expires); (void)(mode); 0; }) + +#endif /* _LINUX_HRTIMER_H */