arm: mach-sc5xx: Remove manual bss_clear

The arm library includes an implementation of bss_clear that is already
called from crt0.S. This re-clearing of BSS should not be performed in
the machine code and should therefore be removed.

Signed-off-by: Greg Malysa <malysagreg@gmail.com>

diff --git a/arch/arm/mach-sc5xx/soc.c b/arch/arm/mach-sc5xx/soc.c
index f361920..9bf7c31 100644 (file)
--- a/arch/arm/mach-sc5xx/soc.c
+++ b/arch/arm/mach-sc5xx/soc.c
@@ -172,34 +172,8 @@ void fixup_dp83867_phy(struct phy_device *phydev)
                phy_write(phydev, MDIO_DEVAD_NONE, 0, 0x3100);
 }
 
-extern char __bss_start, __bss_end;
-extern char __rel_dyn_end;
-
-void bss_clear(void)
-{
-       char *bss_start = &__bss_start;
-       char *bss_end = &__bss_end;
-       char *rel_dyn_end = &__rel_dyn_end;
-
-       char *start;
-
-       if (rel_dyn_end >= bss_start && rel_dyn_end <= bss_end)
-               start = rel_dyn_end;
-       else
-               start = bss_start;
-
-       u32 *pt;
-       size_t sz = bss_end - start;
-
-       for (int i = 0; i < sz; i += 4) {
-               pt = (u32 *)(start + i);
-               *pt = 0;
-       }
-}
-
 int board_early_init_f(void)
 {
-       bss_clear();
        return 0;
 }