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UBI: avoid unnecessary division operations

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UBI already checks that @min io size is the power of 2 at io_init.
It is save to use bit operations then.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Kyungmin Park 2008-05-22 10:32:18 +09:00 • committed by Artem Bityutskiy
parent a0fd1efd48
commit cadb40ccc1
8 changed files with 18 additions and 16 deletions
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2
drivers/mtd/ubi/misc.c
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@ -37,7 +37,7 @@ int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf,
{
int i;
ubi_assert(length % ubi->min_io_size == 0);
ubi_assert(!(length & (ubi->min_io_size - 1)));
for (i = length - 1; i >= 0; i--)
if (((const uint8_t *)buf)[i] != 0xFF)