diff options
| -rw-r--r-- | arch/arm/mach-mx6/mx6_suspend.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-mx6/mx6_suspend.S b/arch/arm/mach-mx6/mx6_suspend.S index 0b9dc57b0091..0533ad1b20ef 100644 --- a/arch/arm/mach-mx6/mx6_suspend.S +++ b/arch/arm/mach-mx6/mx6_suspend.S @@ -884,6 +884,40 @@ sl_io_restore: sl_ddr_io_restore ddr_io_restore_done: + /* Add enough nops so that the + * prefetcher will not get instructions + * from DDR before its IO pads + * are restored. + */ + nop + nop + nop + nop + nop + + nop + nop + nop + nop + nop + + nop + nop + nop + nop + nop + + nop + nop + nop + nop + nop + + nop + nop + nop + nop + nop mrc p15, 0, r1, c1, c0, 0 orr r1, r1, #(1 << 2) @ Enable the C bit |