greybus: loopback: record 32-bit min and max

The minimum and maximum values for stats values are always 32 bits.
Change the type for these fields to reflect this.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index 2042bed075d4e5a363710184a76a6054606cf372..2ec6c807175465c35144baa07484a5fc73b6c605 100644 (file)
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -23,8 +23,8 @@
 #include "greybus.h"
 
 struct gb_loopback_stats {
-       u64 min;
-       u64 max;
+       u32 min;
+       u32 max;
        u64 avg;
        u64 sum;
        u64 count;
@@ -101,8 +101,8 @@ static ssize_t name##_##field##_show(struct device *dev,            \
 static DEVICE_ATTR_RO(name##_##field)
 
 #define gb_loopback_stats_attrs(field)                                 \
-       gb_loopback_ro_stats_attr(field, min, llu);                     \
-       gb_loopback_ro_stats_attr(field, max, llu);                     \
+       gb_loopback_ro_stats_attr(field, min, u);                       \
+       gb_loopback_ro_stats_attr(field, max, u);                       \
        gb_loopback_ro_stats_attr(field, avg, llu);
 
 #define gb_loopback_attr(field, type)                                  \
@@ -340,7 +340,7 @@ static int gb_loopback_request_recv(u8 type, struct gb_operation *operation)
 static void gb_loopback_reset_stats(struct gb_loopback *gb)
 {
        struct gb_loopback_stats reset = {
-               .min = U64_MAX,
+               .min = U32_MAX,
        };
        memcpy(&gb->latency, &reset, sizeof(struct gb_loopback_stats));
        memcpy(&gb->throughput, &reset, sizeof(struct gb_loopback_stats));