SPDX: Convert all of our single license tags to Linux Kernel style

[u-boot] / arch / powerpc / lib / interrupts.c

diff --git a/arch/powerpc/lib/interrupts.c b/arch/powerpc/lib/interrupts.c
index f6031707aeb1805f7f7ad5e253a5bc910b27e660..f63e5cf799b820b83a85349add228d9f6f18e5eb 100644 (file)
--- a/arch/powerpc/lib/interrupts.c
+++ b/arch/powerpc/lib/interrupts.c
@@ -1,33 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2000-2002
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * (C) Copyright 2003
  * Gleb Natapov <gnatapov@mrv.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
 
 #include <common.h>
 #include <asm/processor.h>
 #include <watchdog.h>
-#ifdef CONFIG_STATUS_LED
+#ifdef CONFIG_LED_STATUS
 #include <status_led.h>
 #endif
 
@@ -44,25 +27,8 @@ void __board_show_activity (ulong dummy)
 #define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2)
 #endif
 
-extern int interrupt_init_cpu (unsigned *);
-extern void timer_interrupt_cpu (struct pt_regs *);
-
 static unsigned decrementer_count; /* count value for 1e6/HZ microseconds */
 
-static __inline__ unsigned long get_msr (void)
-{
-       unsigned long msr;
-
-       asm volatile ("mfmsr %0":"=r" (msr):);
-
-       return msr;
-}
-
-static __inline__ void set_msr (unsigned long msr)
-{
-       asm volatile ("mtmsr %0"::"r" (msr));
-}
-
 static __inline__ unsigned long get_dec (void)
 {
        unsigned long val;
@@ -96,13 +62,8 @@ int disable_interrupts (void)
 
 int interrupt_init (void)
 {
-       int ret;
-
        /* call cpu specific function from $(CPU)/interrupts.c */
-       ret = interrupt_init_cpu (&decrementer_count);
-
-       if (ret)
-               return ret;
+       interrupt_init_cpu (&decrementer_count);
 
        set_dec (decrementer_count);
 
@@ -128,26 +89,16 @@ void timer_interrupt (struct pt_regs *regs)
                WATCHDOG_RESET ();
 #endif    /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
 
-#ifdef CONFIG_STATUS_LED
+#ifdef CONFIG_LED_STATUS
        status_led_tick (timestamp);
-#endif /* CONFIG_STATUS_LED */
+#endif /* CONFIG_LED_STATUS */
 
 #ifdef CONFIG_SHOW_ACTIVITY
        board_show_activity (timestamp);
 #endif /* CONFIG_SHOW_ACTIVITY */
 }
 
-void reset_timer (void)
-{
-       timestamp = 0;
-}
-
 ulong get_timer (ulong base)
 {
        return (timestamp - base);
 }
-
-void set_timer (ulong t)
-{
-       timestamp = t;
-}