[POWERPC] 85xx: Cleaning up machine probing

Cleaned up the probing functionality to be more consistent across all 85xx
boards and actually check to see if we should be running on a given board.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

3 files changed, 9 insertions, 23 deletions

diff --git a/arch/powerpc/platforms/85xx/mpc8568_mds.c b/arch/powerpc/platforms/85xx/mpc8568_mds.c
index 324138a206a4..0ba22a42f8df 100644
--- a/arch/powerpc/platforms/85xx/mpc8568_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc8568_mds.c
@@ -74,7 +74,6 @@ static void __init mpc8568_mds_setup_arch(void)
         struct device_node *np;
         static u8 *bcsr_regs = NULL;
 
-
         if (ppc_md.progress)
                 ppc_md.progress("mpc8568_mds_setup_arch()", 0);
 
@@ -206,7 +205,6 @@ static void __init mpc8568_mds_pic_init(void)
 
         mpic_init(mpic);
 
-
 #ifdef CONFIG_QUICC_ENGINE
         np = of_find_node_by_type(NULL, "qeic");
         if (!np)
@@ -217,24 +215,15 @@ static void __init mpc8568_mds_pic_init(void)
 #endif                          /* CONFIG_QUICC_ENGINE */
 }
 
-
 static int __init mpc8568_mds_probe(void)
 {
-        char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
-                                          "model", NULL);
-        if (model == NULL)
-                return 0;
-        if (strcmp(model, "MPC8568EMDS"))
-                return 0;
-
-        DBG("MPC8568EMDS found\n");
+        unsigned long root = of_get_flat_dt_root();
 
-        return 1;
+        return of_flat_dt_is_compatible(root, "MPC85xxMDS");
 }
 
-
 define_machine(mpc8568_mds) {
-        .name           = "MPC8568E MDS",
+        .name           = "MPC85xx MDS",
         .probe          = mpc8568_mds_probe,
         .setup_arch     = mpc8568_mds_setup_arch,
         .init_IRQ       = mpc8568_mds_pic_init,
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 741bcea8f991..8ed034aeca5f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -272,10 +272,9 @@ static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
  */
 static int __init mpc85xx_ads_probe(void)
 {
-        /* We always match for now, eventually we should look at the flat
-           dev tree to ensure this is the board we are suppose to run on
-        */
-        return 1;
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC85xxADS");
 }
 
 define_machine(mpc85xx_ads) {
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index bf6c60455a89..4232686be441 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -291,11 +291,9 @@ static void mpc85xx_cds_show_cpuinfo(struct seq_file *m)
  */
 static int __init mpc85xx_cds_probe(void)
 {
-        /* We always match for now, eventually we should look at
-         * the flat dev tree to ensure this is the board we are
-         * supposed to run on
-         */
-        return 1;
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC85xxCDS");
 }
 
 define_machine(mpc85xx_cds) {