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Commit 782e5711 authored by Akinobu Mita's avatar Akinobu Mita Committed by David Woodhouse
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mtd: vmu-flash: Use hweight_long 



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

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 8ce110ac

drivers/mtd/maps/vmu-flash.c

+3 −4
Original line number Diff line number Diff line
@@ -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]);