mtd: vmu-flash: Use hweight_long
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>
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@ -612,10 +612,9 @@ static int __devinit vmu_connect(struct maple_device *mdev)
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test_flash_data = be32_to_cpu(mdev->devinfo.function);
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/* Need to count how many bits are set - to find out which
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* function_data element has details of the memory card:
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* using Brian Kernighan's/Peter Wegner's method */
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for (c = 0; test_flash_data; c++)
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test_flash_data &= test_flash_data - 1;
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* function_data element has details of the memory card
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*/
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c = hweight_long(test_flash_data);
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basic_flash_data = be32_to_cpu(mdev->devinfo.function_data[c - 1]);
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