powerpc: make mem= work on iSeries again

By parsing the command line earlier, we can add the mem= value to the
flattened device tree and let the generic code sort out the memory limit
for us.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 0 insertions, 17 deletions

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 40c48100bf1b..19530ce9cd27 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -631,23 +631,6 @@ static int ppc64_panic_event(struct notifier_block *this,
         return NOTIFY_DONE;
 }
 
-#ifdef CONFIG_PPC_ISERIES
-/*
- * On iSeries we just parse the mem=X option from the command line.
- * On pSeries it's a bit more complicated, see prom_init_mem()
- */
-static int __init early_parsemem(char *p)
-{
-        if (!p)
-                return 0;
-
-        memory_limit = ALIGN(memparse(p, &p), PAGE_SIZE);
-
-        return 0;
-}
-early_param("mem", early_parsemem);
-#endif /* CONFIG_PPC_ISERIES */
-
 #ifdef CONFIG_IRQSTACKS
 static void __init irqstack_early_init(void)
 {