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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 08:20:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 08:20:34 -0700 |
| commit | 9779a8325a9bbf4ccd3853e0e4064984cf9da9c9 (patch) | |
| tree | 7814d54c7554210ee03d0dbecc546cc2e8a876ec /lib/bitmap.c | |
| parent | 309e1e4240636f3a9704d77a164a08e1f5a81fea (diff) | |
| parent | 61e0e79ee3c609eb34edf2fe023708cba6a79b1f (diff) | |
| download | linux-riscv-9779a8325a9bbf4ccd3853e0e4064984cf9da9c9.tar.gz linux-riscv-9779a8325a9bbf4ccd3853e0e4064984cf9da9c9.tar.bz2 linux-riscv-9779a8325a9bbf4ccd3853e0e4064984cf9da9c9.zip | |
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb: (47 commits)
uwb: wrong sizeof argument in mac address compare
uwb: don't use printk_ratelimit() so often
uwb: use kcalloc where appropriate
uwb: use time_after() when purging stale beacons
uwb: add credits for the original developers of the UWB/WUSB/WLP subsystems
uwb: add entries in the MAINTAINERS file
uwb: depend on EXPERIMENTAL
wusb: wusb-cbaf (CBA driver) sysfs ABI simplification
uwb: document UWB and WUSB sysfs files
uwb: add symlinks in sysfs between radio controllers and PALs
uwb: dont tranmit identification IEs
uwb: i1480/GUWA100U: fix firmware download issues
uwb: i1480: remove MAC/PHY information checking function
uwb: add Intel i1480 HWA to the UWB RC quirk table
uwb: disable command/event filtering for D-Link DUB-1210
uwb: initialize the debug sub-system
uwb: Fix handling IEs with empty IE data in uwb_est_get_size()
wusb: fix bmRequestType for Abort RPipe request
wusb: fix error path for wusb_set_dev_addr()
wusb: add HWA host controller driver
...
Diffstat (limited to 'lib/bitmap.c')
| -rw-r--r-- | lib/bitmap.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 482df94ea21e..1338469ac849 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -996,3 +996,25 @@ int bitmap_allocate_region(unsigned long *bitmap, int pos, int order) return 0; } EXPORT_SYMBOL(bitmap_allocate_region); + +/** + * bitmap_copy_le - copy a bitmap, putting the bits into little-endian order. + * @dst: destination buffer + * @src: bitmap to copy + * @nbits: number of bits in the bitmap + * + * Require nbits % BITS_PER_LONG == 0. + */ +void bitmap_copy_le(void *dst, const unsigned long *src, int nbits) +{ + unsigned long *d = dst; + int i; + + for (i = 0; i < nbits/BITS_PER_LONG; i++) { + if (BITS_PER_LONG == 64) + d[i] = cpu_to_le64(src[i]); + else + d[i] = cpu_to_le32(src[i]); + } +} +EXPORT_SYMBOL(bitmap_copy_le); |