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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/ath79/prom.c
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
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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/ath79/prom.c')
-rw-r--r--arch/mips/ath79/prom.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/mips/ath79/prom.c b/arch/mips/ath79/prom.c
new file mode 100644
index 000000000..cc6dc5600
--- /dev/null
+++ b/arch/mips/ath79/prom.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Atheros AR71XX/AR724X/AR913X specific prom routines
+ *
+ * Copyright (C) 2015 Laurent Fasnacht <l@libres.ch>
+ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/initrd.h>
+
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+#include <asm/fw/fw.h>
+
+#include "common.h"
+
+void __init prom_init(void)
+{
+ fw_init_cmdline();
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ /* Read the initrd address from the firmware environment */
+ initrd_start = fw_getenvl("initrd_start");
+ if (initrd_start) {
+ initrd_start = KSEG0ADDR(initrd_start);
+ initrd_end = initrd_start + fw_getenvl("initrd_size");
+ }
+#endif
+}