The new timer_setup() function for struct timer_list collides with a
private um function. Rename it.
Fixes: 686fef928bba ("timer: Prepare to change timer callback argument type")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Weinberger <richard@nod.at>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: Kees Cook  <keescook@chromium.org>
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
-static void __init timer_setup(void)
+static void __init um_timer_setup(void)
 {
        int err;
 
 void __init time_init(void)
 {
        timer_set_signal_handler();
-       late_time_init = timer_setup;
+       late_time_init = um_timer_setup;
 }