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greybus: loopback: Fix warning on 32-bit build

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gb_loopback_ro_avg_attr() is using "/" to divide two 64-bit integer,
causing a reference to __aeabi_uldivmod() that is not availalbe on 32-bit.
Instead, use do_div().

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Alexandre Bailon 2016-03-08 16:37:36 +01:00 committed by Greg Kroah-Hartman
parent a23aa56452
commit 89ec14ceae
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/greybus/loopback.c
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@ -164,7 +164,8 @@ static ssize_t name##_avg_show(struct device *dev, \
count = stats->count ? stats->count : 1; \
avg = stats->sum; \
rem = do_div(avg, count); \
rem = 1000000 * rem / count; \
rem *= 1000000; \
do_div(rem, count); \
return sprintf(buf, "%llu.%06u\n", avg, (u32)rem); \
} \
static DEVICE_ATTR_RO(name##_avg)