Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / 52xx / mpc52xx_common.c

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 044b4e6e874383a77e31fe5e80d8737a465865c5..ae7c34f37e1c2cca2d4b6885b61e24ddfa434386 100644 (file)
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -99,11 +99,14 @@ mpc5200_setup_xlb_arbiter(void)
        out_be32(&xlb->master_pri_enable, 0xff);
        out_be32(&xlb->master_priority, 0x11111111);
 
-       /* Disable XLB pipelining
+       /*
+        * Disable XLB pipelining
         * (cfr errate 292. We could do this only just before ATA PIO
         *  transaction and re-enable it afterwards ...)
+        * Not needed on MPC5200B.
         */
-       out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
+       if ((mfspr(SPRN_SVR) & MPC5200_SVR_MASK) == MPC5200_SVR)
+               out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
 
        iounmap(xlb);
 }