[POWERPC] Platforms shouldn't mess with ROOT_DEV

There is no good reason for board platform code to mess with the
ROOT_DEV.  Remove it from all in-tree platforms except powermac.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 10 deletions

diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 96498ad7b943..59306261f5b2 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -290,16 +290,6 @@ void __init chrp_setup_arch(void)
                 ppc_md.set_rtc_time     = rtas_set_rtc_time;
         }
 
-#ifdef CONFIG_BLK_DEV_INITRD
-        /* this is fine for chrp */
-        initrd_below_start_ok = 1;
-
-        if (initrd_start)
-                ROOT_DEV = Root_RAM0;
-        else
-#endif
-                ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */
-
         /* On pegasos, enable the L2 cache if not already done by OF */
         pegasos_set_l2cr();