*/
#include <linux/init.h>
#include <linux/spinlock.h>
+#include <linux/io.h>
#include <asm/system.h>
+#include <asm/cputype.h>
#include <asm/cacheflush.h>
-#include <asm/io.h>
#define CR_L2 (1 << 26)
/*
* Clean and invalidate partial last cache line.
*/
- if (end & (CACHE_LINE_SIZE - 1)) {
+ if (start < end && (end & (CACHE_LINE_SIZE - 1))) {
xsc3_l2_clean_pa(end & ~(CACHE_LINE_SIZE - 1));
xsc3_l2_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
end &= ~(CACHE_LINE_SIZE - 1);
/*
* Invalidate all full cache lines between 'start' and 'end'.
*/
- while (start != end) {
+ while (start < end) {
xsc3_l2_inv_pa(start);
start += CACHE_LINE_SIZE;
}