MIPS: Netlogic: Add nlm_get_boot_data() helper

This moves the calculation and casting needed to access the CPU initialization
data to a function nlm_get_boot_data()

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5426/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h
index d4ede12b84c6..1b54adbd1583 100644
--- a/arch/mips/include/asm/netlogic/common.h
+++ b/arch/mips/include/asm/netlogic/common.h
@@ -59,13 +59,18 @@ int nlm_wakeup_secondary_cpus(void);
 void nlm_rmiboot_preboot(void);
 void nlm_percpu_init(int hwcpuid);
 
+static inline void *
+nlm_get_boot_data(int offset)
+{
+        return (void *)(CKSEG1ADDR(RESET_DATA_PHYS) + offset);
+}
+
 static inline void
 nlm_set_nmi_handler(void *handler)
 {
-        char *reset_data;
+        void *nmih = nlm_get_boot_data(BOOT_NMI_HANDLER);
 
-        reset_data = (char *)CKSEG1ADDR(RESET_DATA_PHYS);
-        *(int64_t *)(reset_data + BOOT_NMI_HANDLER) = (long)handler;
+        *(int64_t *)nmih = (long)handler;
 }
 
 /*