diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /drivers/media/video/em28xx/em28xx-core.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
-rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 50 |
1 files changed, 5 insertions, 45 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 9f6e5e5..0cfe754 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -116,47 +116,6 @@ void em28xx_print_ioctl(char *name, unsigned int cmd) } } -static void *rvmalloc(size_t size) -{ - void *mem; - unsigned long adr; - - size = PAGE_ALIGN(size); - - mem = vmalloc_32((unsigned long)size); - if (!mem) - return NULL; - - memset(mem, 0, size); - - adr = (unsigned long)mem; - while (size > 0) { - SetPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - return mem; -} - -static void rvfree(void *mem, size_t size) -{ - unsigned long adr; - - if (!mem) - return; - - size = PAGE_ALIGN(size); - - adr = (unsigned long)mem; - while (size > 0) { - ClearPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - vfree(mem); -} /* * em28xx_request_buffers() @@ -167,14 +126,16 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count) const size_t imagesize = PAGE_ALIGN(dev->frame_size); /*needs to be page aligned cause the buffers can be mapped individually! */ void *buff = NULL; u32 i; - em28xx_coredbg("requested %i buffers with size %i", count, imagesize); + em28xx_coredbg("requested %i buffers with size %zd", count, imagesize); if (count > EM28XX_NUM_FRAMES) count = EM28XX_NUM_FRAMES; dev->num_frames = count; while (dev->num_frames > 0) { - if ((buff = rvmalloc(dev->num_frames * imagesize))) + if ((buff = vmalloc_32(dev->num_frames * imagesize))) { + memset(buff, 0, dev->num_frames * imagesize); break; + } dev->num_frames--; } @@ -217,8 +178,7 @@ void em28xx_queue_unusedframes(struct em28xx *dev) void em28xx_release_buffers(struct em28xx *dev) { if (dev->num_frames) { - rvfree(dev->frame[0].bufmem, - dev->num_frames * PAGE_ALIGN(dev->frame[0].buf.length)); + vfree(dev->frame[0].bufmem); dev->num_frames = 0; } } |