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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /arch/mips/ralink/prom.c
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'arch/mips/ralink/prom.c')
-rw-r--r--arch/mips/ralink/prom.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/ralink/prom.c b/arch/mips/ralink/prom.c
new file mode 100644
index 000000000..c3b968618
--- /dev/null
+++ b/arch/mips/ralink/prom.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
+ */
+
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "common.h"
+
+struct ralink_soc_info soc_info;
+
+enum ralink_soc_type ralink_soc;
+EXPORT_SYMBOL_GPL(ralink_soc);
+
+const char *get_system_type(void)
+{
+ return soc_info.sys_type;
+}
+
+static __init void prom_init_cmdline(void)
+{
+ int argc;
+ char **argv;
+ int i;
+
+ pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
+ (unsigned int)fw_arg0, (unsigned int)fw_arg1,
+ (unsigned int)fw_arg2, (unsigned int)fw_arg3);
+
+ argc = fw_arg0;
+ argv = (char **) KSEG1ADDR(fw_arg1);
+
+ if (!argv) {
+ pr_debug("argv=%p is invalid, skipping\n",
+ argv);
+ return;
+ }
+
+ for (i = 0; i < argc; i++) {
+ char *p = (char *) KSEG1ADDR(argv[i]);
+
+ if (CPHYSADDR(p) && *p) {
+ pr_debug("argv[%d]: %s\n", i, p);
+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+ }
+ }
+}
+
+void __init prom_init(void)
+{
+ prom_soc_init(&soc_info);
+
+ pr_info("SoC Type: %s\n", get_system_type());
+
+ prom_init_cmdline();
+}