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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-09-03 15:46:15 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-09-03 15:46:15 +0100 |
| commit | 0cae5d312497b5b8e38a0d4434c878a6149d7971 (patch) | |
| tree | d538dc5dc5bcead7e80dea10da4552cd9b14e1f5 /v4l/compat.h | |
| parent | 73860aaa22190e1724c456b16c9bfabc19e9f497 (diff) | |
| download | mediapointer-dvb-s2-0cae5d312497b5b8e38a0d4434c878a6149d7971.tar.gz mediapointer-dvb-s2-0cae5d312497b5b8e38a0d4434c878a6149d7971.tar.bz2 | |
Remove some compat code from pwc-if, moving to compat.h
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'v4l/compat.h')
| -rw-r--r-- | v4l/compat.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/v4l/compat.h b/v4l/compat.h index 4c7ee52a0..17ffc7830 100644 --- a/v4l/compat.h +++ b/v4l/compat.h @@ -204,6 +204,16 @@ static inline unsigned long vmalloc_to_pfn(void * vmalloc_addr) return page_to_pfn(vmalloc_to_page(vmalloc_addr)); } +static unsigned long kvirt_to_pa(unsigned long adr) +{ + unsigned long kva, ret; + + kva = (unsigned long) page_address(vmalloc_to_page((void *)adr)); + kva |= adr & (PAGE_SIZE-1); /* restore the offset */ + ret = __pa(kva); + return ret; +} + #ifndef wait_event_timeout #define wait_event_timeout(wq, condition, timeout) \ ({ \ |