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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/clk.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/ralink/clk.c')
-rw-r--r--arch/mips/ralink/clk.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/mips/ralink/clk.c b/arch/mips/ralink/clk.c
new file mode 100644
index 000000000..5c1eb46ef
--- /dev/null
+++ b/arch/mips/ralink/clk.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/export.h>
+#include <linux/clkdev.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include <asm/time.h>
+
+#include "common.h"
+
+static const char *clk_cpu(int *idx)
+{
+ switch (ralink_soc) {
+ case RT2880_SOC:
+ *idx = 1;
+ return "ralink,rt2880-sysc";
+ case RT3883_SOC:
+ *idx = 1;
+ return "ralink,rt3883-sysc";
+ case RT305X_SOC_RT3050:
+ *idx = 1;
+ return "ralink,rt3050-sysc";
+ case RT305X_SOC_RT3052:
+ *idx = 1;
+ return "ralink,rt3052-sysc";
+ case RT305X_SOC_RT3350:
+ *idx = 1;
+ return "ralink,rt3350-sysc";
+ case RT305X_SOC_RT3352:
+ *idx = 1;
+ return "ralink,rt3352-sysc";
+ case RT305X_SOC_RT5350:
+ *idx = 1;
+ return "ralink,rt5350-sysc";
+ case MT762X_SOC_MT7620A:
+ *idx = 2;
+ return "ralink,mt7620-sysc";
+ case MT762X_SOC_MT7620N:
+ *idx = 2;
+ return "ralink,mt7620-sysc";
+ case MT762X_SOC_MT7628AN:
+ *idx = 1;
+ return "ralink,mt7628-sysc";
+ case MT762X_SOC_MT7688:
+ *idx = 1;
+ return "ralink,mt7688-sysc";
+ default:
+ *idx = -1;
+ return "invalid";
+ }
+}
+
+void __init plat_time_init(void)
+{
+ struct of_phandle_args clkspec;
+ const char *compatible;
+ struct clk *clk;
+ int cpu_clk_idx;
+
+ ralink_of_remap();
+
+ compatible = clk_cpu(&cpu_clk_idx);
+ if (cpu_clk_idx == -1)
+ panic("unable to get CPU clock index");
+
+ of_clk_init(NULL);
+ clkspec.np = of_find_compatible_node(NULL, NULL, compatible);
+ clkspec.args_count = 1;
+ clkspec.args[0] = cpu_clk_idx;
+ clk = of_clk_get_from_provider(&clkspec);
+ if (IS_ERR(clk))
+ panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
+ pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000);
+ mips_hpt_frequency = clk_get_rate(clk) / 2;
+ clk_put(clk);
+ timer_probe();
+}