Blackfin arch: do not bother initializing the first 4k

our kernel should be sane now, and we want to catch NULL bugs,
not ignore them

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S
index 29cd019..c1dcaeb 100644 (file)
--- a/arch/blackfin/mach-common/head.S
+++ b/arch/blackfin/mach-common/head.S
@@ -244,18 +244,6 @@ ENTRY(_real_start)
        r2.h = ___bss_stop;
        call __init_clear_bss
 
-       /* In case there is a NULL pointer reference,
-        * zero out region before stext
-        */
-       p1 = r0;
-       r2.l = __stext;
-       r2.h = __stext;
-       r2 >>= 2;
-       p2 = r2;
-       lsetup (.L_clear_zero, .L_clear_zero) lc0 = p2;
-.L_clear_zero:
-       [p1++] = r0;
-
        /* Pass the u-boot arguments to the global value command line */
        R0 = R7;
        call _cmdline_init;