From: Akinobu Mita Date: Fri, 20 Nov 2009 05:56:07 +0000 (+0900) Subject: mtd: vmu-flash: Use hweight_long X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=782e5711d61b2cda45dea447badba3ab07c236f0;p=linux-beck.git mtd: vmu-flash: Use hweight_long Use hweight_long instead of Brian Kernighan's/Peter Wegner's method Signed-off-by: Akinobu Mita Signed-off-by: David Woodhouse --- diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c index 1f73297e7776..1008462c3f7c 100644 --- a/drivers/mtd/maps/vmu-flash.c +++ b/drivers/mtd/maps/vmu-flash.c @@ -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]);