修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/kernel/trace/trace_events_inject.c
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@@ -192,6 +192,7 @@
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 static int parse_entry(char *str, struct trace_event_call *call, void **pentry)
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 {
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 	struct ftrace_event_field *field;
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+	unsigned long irq_flags;
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 	void *entry = NULL;
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 	int entry_size;
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 	u64 val = 0;
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@@ -202,8 +203,9 @@
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 	if (!entry)
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 		return -ENOMEM;
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-	tracing_generic_entry_update(entry, call->event.type,
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-				     tracing_gen_ctx());
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+	local_save_flags(irq_flags);
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+	tracing_generic_entry_update(entry, call->event.type, irq_flags,
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+				     preempt_count());
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 	while ((len = parse_field(str, call, &field, &val)) > 0) {
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 		if (is_function_field(field))
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@@ -321,7 +323,8 @@
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 }
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 const struct file_operations event_inject_fops = {
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-	.open = tracing_open_generic,
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+	.open = tracing_open_file_tr,
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 	.read = event_inject_read,
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 	.write = event_inject_write,
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+	.release = tracing_release_file_tr,
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 };