[PATCH] ARM: rmobile: Clean up rmobile_cpuinfo_idx()

[Marek Vasut]

Clean the function up a bit further. Return immediatelly on match
and return ARRAY_SIZE() - 1 on failure. Add proper comment in that
case.

Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Biju Das <biju.das.jz at bp.renesas.com>
Cc: Paul Barker <paul.barker.ct at bp.renesas.com>
---
 arch/arm/mach-rmobile/cpu_info.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c
index 7651e43bd0f..6804b1da2cd 100644
--- a/arch/arm/mach-rmobile/cpu_info.c
+++ b/arch/arm/mach-rmobile/cpu_info.c
@@ -83,14 +83,15 @@ static const struct {
 
 static int rmobile_cpuinfo_idx(void)
 {
-	int i = 0;
 	u32 cpu_type = rmobile_get_cpu_type();
+	int i;
 
-	for (; i < ARRAY_SIZE(rmobile_cpuinfo) - 1; i++)
+	for (i = 0; i < ARRAY_SIZE(rmobile_cpuinfo) - 1; i++)
 		if (rmobile_cpuinfo[i].cpu_type == cpu_type)
-			break;
+			return i;
 
-	return i;
+	/* Unknown "CPU" entry */
+	return ARRAY_SIZE(rmobile_cpuinfo) - 1;
 }
 
 static const u8 *get_cpu_name(int idx)
-- 
2.40.1