Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

[firefly-linux-kernel-4.4.55.git] / arch / mips / kernel / traps.c

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b2d7041341b8f5afa3e313302c21b90e34e5ea3d..e83da174b5333537f5daaf089e9ad2e6d86c2b0f 100644 (file)
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1277,8 +1277,7 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
        u32 *w;
        unsigned char *b;
 
-       if (!cpu_has_veic && !cpu_has_vint)
-               BUG();
+       BUG_ON(!cpu_has_veic && !cpu_has_vint);
 
        if (addr == NULL) {
                handler = (unsigned long) do_default_vi;
@@ -1520,7 +1519,9 @@ void __cpuinit per_cpu_trap_init(void)
 #endif /* CONFIG_MIPS_MT_SMTC */
 
        if (cpu_has_veic || cpu_has_vint) {
+               unsigned long sr = set_c0_status(ST0_BEV);
                write_c0_ebase(ebase);
+               write_c0_status(sr);
                /* Setting vector spacing enables EI/VI mode  */
                change_c0_intctl(0x3e0, VECTORSPACING);
        }
@@ -1602,8 +1603,6 @@ void __cpuinit set_uncached_handler(unsigned long offset, void *addr,
 #ifdef CONFIG_64BIT
        unsigned long uncached_ebase = TO_UNCAC(ebase);
 #endif
-       if (cpu_has_mips_r2)
-               uncached_ebase += (read_c0_ebase() & 0x3ffff000);
 
        if (!addr)
                panic(panic_null_cerr);
@@ -1635,9 +1634,11 @@ void __init trap_init(void)
                return; /* Already done */
 #endif
 
-       if (cpu_has_veic || cpu_has_vint)
-               ebase = (unsigned long) alloc_bootmem_low_pages(0x200 + VECTORSPACING*64);
-       else {
+       if (cpu_has_veic || cpu_has_vint) {
+               unsigned long size = 0x200 + VECTORSPACING*64;
+               ebase = (unsigned long)
+                       __alloc_bootmem(size, 1 << fls(size), 0);
+       } else {
                ebase = CAC_BASE;
                if (cpu_has_mips_r2)
                        ebase += (read_c0_ebase() & 0x3ffff000);