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mtd: vmu-flash: Use hweight_long

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Use hweight_long instead of Brian Kernighan's/Peter Wegner's method

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Akinobu Mita 2009-11-20 14:56:07 +09:00 committed by David Woodhouse
parent 8ce110ac19
commit 782e5711d6
1 changed files with 3 additions and 4 deletions
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7
drivers/mtd/maps/vmu-flash.c
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@ -612,10 +612,9 @@ static int __devinit vmu_connect(struct maple_device *mdev)
test_flash_data = be32_to_cpu(mdev->devinfo.function);
/* Need to count how many bits are set - to find out which
* function_data element has details of the memory card:
* using Brian Kernighan's/Peter Wegner's method */
for (c = 0; test_flash_data; c++)
test_flash_data &= test_flash_data - 1;
* function_data element has details of the memory card
*/
c = hweight_long(test_flash_data);
basic_flash_data = be32_to_cpu(mdev->devinfo.function_data[c - 1]);