Run-time rather than compile-time check of machine type when
initializing the cyberpro clocks.  Necessary so the Debian folk
can distribute a single binary for their supported ARM arch's.
Patch originated from Vince Sanders.

Now includes #ifdef to ensure that code only runs on ARM.

PATCH FOLLOWS
KernelVersion: 2.4.19-rmk7

--- linux-2.4.19-rmk7-orig/drivers/video/cyber2000fb.c	Wed Mar 26 17:43:15 2003
+++ linux-2.4.19-rmk7/drivers/video/cyber2000fb.c	Wed Mar 26 17:45:56 2003
@@ -1836,18 +1836,20 @@
 	if (err)
 		goto failed;
 
-#if defined(CONFIG_ARCH_SHARK) || defined(CONFIG_ARCH_NETWINDER)
-	/*
-	 * MCLK on the NetWinder and the Shark is fixed at 75MHz
-	 */
-	cfb->mclk_mult = 0xdb;
-	cfb->mclk_div  = 0x54;
-#else
-	/*
-	 * Use MCLK from BIOS. FIXME: what about hotplug?
-	 */
-	cfb->mclk_mult = cyber2000_grphr(EXT_MCLK_MULT, cfb);
-	cfb->mclk_div  = cyber2000_grphr(EXT_MCLK_DIV, cfb);
+#ifdef __arm__
+	if (machine_is_netwinder() || machine_is_shark()) {
+		/*
+		 * MCLK on the NetWinder and the Shark is fixed at 75MHz
+		 */
+		cfb->mclk_mult = 0xdb;
+		cfb->mclk_div  = 0x54;
+	} else {
+		/*
+		 * Use MCLK from BIOS. FIXME: what about hotplug?
+		 */
+		cfb->mclk_mult = cyber2000_grphr(EXT_MCLK_MULT, cfb);
+		cfb->mclk_div  = cyber2000_grphr(EXT_MCLK_DIV, cfb);
+	}
 #endif
 
 	err = cyberpro_common_probe(cfb);