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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2009-11-20 14:56:07 +0900 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-11-20 10:31:23 +0000 |
| commit | 782e5711d61b2cda45dea447badba3ab07c236f0 (patch) | |
| tree | 3b3916786274f09ec5e1cbeab4c564e6990caff6 /drivers | |
| parent | 8ce110ac19bc88b82e3feacfbb3a2ee08a07fe22 (diff) | |
| download | linux-stable-782e5711d61b2cda45dea447badba3ab07c236f0.tar.gz linux-stable-782e5711d61b2cda45dea447badba3ab07c236f0.tar.bz2 linux-stable-782e5711d61b2cda45dea447badba3ab07c236f0.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/maps/vmu-flash.c | 7 |
1 files changed, 3 insertions, 4 deletions
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]); |