Blackfin arch: fix bug - sometimes there is no response to the hitting key in uboot for bf561-ezkit when running with 50mhz SCLK

use 10 delays rather than 7

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

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index 367e2dc09881..b0a8f89cc9b6 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -34,15 +34,15 @@ void bfin_reset(void)
                 bfin_write_SWRST(0x7);
 
                 /* Due to the way reset is handled in the hardware, we need
-                 * to delay for 7 SCLKS.  The only reliable way to do this is
-                 * to calculate the CCLK/SCLK ratio and multiply 7.  For now,
+                 * to delay for 10 SCLKS.  The only reliable way to do this is
+                 * to calculate the CCLK/SCLK ratio and multiply 10.  For now,
                  * we'll assume worse case which is a 1:15 ratio.
                  */
                 asm(
                         "LSETUP (1f, 1f) LC0 = %0\n"
                         "1: nop;"
                         :
-                        : "a" (15 * 7)
+                        : "a" (15 * 10)
                         : "LC0", "LB0", "LT0"
                 );