ftrace: Rename ftrace_regs_return_value to ftrace_regs_get_return_value

Rename ftrace_regs_return_value to ftrace_regs_get_return_value as same as
other ftrace_regs_get/set_* APIs. arm64 and riscv are already using this
new name.

Cc: Alexei Starovoitov <[email protected]>
Cc: Florent Revest <[email protected]>
Cc: Martin KaFai Lau <[email protected]>
Cc: bpf <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Alan Maguire <[email protected]>
Link: https://lore.kernel.org/172895573350.107311.7564634260652361511.stgit@devnote2
Acked-by: Mark Rutland <[email protected]>
Signed-off-by: Masami Hiramatsu (Google) <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>

Author: mhiramat

include/linux/ftrace_regs.h

@@ -22,7 +22,7 @@ struct ftrace_regs;
 	regs_get_kernel_argument(&arch_ftrace_regs(fregs)->regs, n)
 #define ftrace_regs_get_stack_pointer(fregs) \
 	kernel_stack_pointer(&arch_ftrace_regs(fregs)->regs)
-#define ftrace_regs_return_value(fregs) \
+#define ftrace_regs_get_return_value(fregs) \
 	regs_return_value(&arch_ftrace_regs(fregs)->regs)
 #define ftrace_regs_set_return_value(fregs, ret) \
 	regs_set_return_value(&arch_ftrace_regs(fregs)->regs, ret)