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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 17:13:10 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 17:13:10 +0100 |
| commit | bb592cf474404e51cbf3c419fb72fda83c4b7d72 (patch) | |
| tree | 05823f536d5f095857a7aff732e205d249e4b7a1 /drivers/ieee1394 | |
| parent | Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm (diff) | |
| parent | ieee1394: Use hweight32 (diff) | |
| download | linux-bb592cf474404e51cbf3c419fb72fda83c4b7d72.tar.xz linux-bb592cf474404e51cbf3c419fb72fda83c4b7d72.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: Use hweight32
firewire: cdev: reduce stack usage by ioctl_dispatch
firewire: ohci: 0 may be a valid DMA address
firewire: core: WARN on wrong usage of core transaction functions
firewire: core: optimize Topology Map creation
firewire: core: clarify generate_config_rom usage
firewire: optimize config ROM creation
firewire: cdev: normalize variable names
firewire: normalize style of queue_work wrappers
firewire: cdev: fix memory leak in an error path
Diffstat (limited to 'drivers/ieee1394')
| -rw-r--r-- | drivers/ieee1394/ohci1394.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 65c1429e4129..d0dc1db80b29 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -82,6 +82,7 @@ * */ +#include <linux/bitops.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/slab.h> @@ -434,7 +435,6 @@ static void initialize_dma_trm_ctx(struct dma_trm_ctx *d) /* Count the number of available iso contexts */ static int get_nb_iso_ctx(struct ti_ohci *ohci, int reg) { - int i,ctx=0; u32 tmp; reg_write(ohci, reg, 0xffffffff); @@ -443,11 +443,7 @@ static int get_nb_iso_ctx(struct ti_ohci *ohci, int reg) DBGMSG("Iso contexts reg: %08x implemented: %08x", reg, tmp); /* Count the number of contexts */ - for (i=0; i<32; i++) { - if (tmp & 1) ctx++; - tmp >>= 1; - } - return ctx; + return hweight32(tmp); } /* Global initialization */ |