From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 13 May 2024 10:30:14 +0000 Subject: [PATCH] modify sin led gpio --- kernel/arch/powerpc/kernel/rtasd.c | 58 ++++++++++++++++++---------------------------------------- 1 files changed, 18 insertions(+), 40 deletions(-) diff --git a/kernel/arch/powerpc/kernel/rtasd.c b/kernel/arch/powerpc/kernel/rtasd.c index 23b88b9..8561dfb 100644 --- a/kernel/arch/powerpc/kernel/rtasd.c +++ b/kernel/arch/powerpc/kernel/rtasd.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. * * Communication to userspace based on kernel/printk.c */ @@ -91,6 +87,8 @@ return "Dump Notification Event"; case RTAS_TYPE_PRRN: return "Platform Resource Reassignment Event"; + case RTAS_TYPE_HOTPLUG: + return "Hotplug Event"; } return rtas_type[0]; @@ -150,8 +148,10 @@ } else { struct rtas_error_log *errlog = (struct rtas_error_log *)buf; - printk(RTAS_DEBUG "event: %d, Type: %s, Severity: %d\n", - error_log_cnt, rtas_event_type(rtas_error_type(errlog)), + printk(RTAS_DEBUG "event: %d, Type: %s (%d), Severity: %d\n", + error_log_cnt, + rtas_event_type(rtas_error_type(errlog)), + rtas_error_type(errlog), rtas_error_severity(errlog)); } } @@ -273,36 +273,14 @@ } } -#ifdef CONFIG_PPC_PSERIES -static void handle_prrn_event(s32 scope) -{ - /* - * For PRRN, we must pass the negative of the scope value in - * the RTAS event. - */ - pseries_devicetree_update(-scope); - numa_update_cpu_topology(false); -} - static void handle_rtas_event(const struct rtas_error_log *log) { - if (rtas_error_type(log) != RTAS_TYPE_PRRN || !prrn_is_enabled()) + if (!machine_is(pseries)) return; - /* For PRRN Events the extended log length is used to denote - * the scope for calling rtas update-nodes. - */ - handle_prrn_event(rtas_error_extended_log_length(log)); + if (rtas_error_type(log) == RTAS_TYPE_PRRN) + pr_info_ratelimited("Platform resource reassignment ignored.\n"); } - -#else - -static void handle_rtas_event(const struct rtas_error_log *log) -{ - return; -} - -#endif static int rtas_log_open(struct inode * inode, struct file * file) { @@ -331,7 +309,7 @@ count = rtas_error_log_buffer_max; - if (!access_ok(VERIFY_WRITE, buf, count)) + if (!access_ok(buf, count)) return -EFAULT; tmp = kmalloc(count, GFP_KERNEL); @@ -385,12 +363,12 @@ return 0; } -static const struct file_operations proc_rtas_log_operations = { - .read = rtas_log_read, - .poll = rtas_log_poll, - .open = rtas_log_open, - .release = rtas_log_release, - .llseek = noop_llseek, +static const struct proc_ops rtas_log_proc_ops = { + .proc_read = rtas_log_read, + .proc_poll = rtas_log_poll, + .proc_open = rtas_log_open, + .proc_release = rtas_log_release, + .proc_lseek = noop_llseek, }; static int enable_surveillance(int timeout) @@ -572,7 +550,7 @@ return -ENODEV; entry = proc_create("powerpc/rtas/error_log", 0400, NULL, - &proc_rtas_log_operations); + &rtas_log_proc_ops); if (!entry) printk(KERN_ERR "Failed to create error_log proc entry\n"); -- Gitblit v1.6.2