[PATCH 13/16] [powerpc,tmp_atmel] Constify & voidify get_property()

Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.

tpm_atmel changes

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---

 resend: rebase after benh's IRQ changes

 tpm_atmel.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6/drivers/char/tpm/tpm_atmel.h
===================================================================

--- linux-2.6.orig/drivers/char/tpm/tpm_atmel.h
+++ linux-2.6/drivers/char/tpm/tpm_atmel.h

@@ -37,7 +37,7 @@ static void __iomem * atmel_get_base_add
 {
 	struct device_node *dn;
 	unsigned long address, size;
-	unsigned int *reg;
+	const unsigned int *reg;
 	int reglen;
 	int naddrc;
 	int nsizec;

@@ -52,7 +52,7 @@ static void __iomem * atmel_get_base_add
 		return NULL;
 	}
 
-	reg = (unsigned int *) get_property(dn, "reg", &reglen);
+	reg = get_property(dn, "reg", &reglen);
 	naddrc = prom_n_addr_cells(dn);
 	nsizec = prom_n_size_cells(dn);