On Thu, May 28, 2009 at 5:43 PM, David Ward <david.ward@xxxxxxxxxx> wrote: > On 05/28/2009 03:12 PM, Michael Krufky wrote: >> >> On Thu, May 28, 2009 at 12:05 AM, David Ward<david.ward@xxxxxxxxxx> >> wrote: >> >>> >>> Revision 11873 (committed earlier today) has broken the cx18 driver for >>> me, >>> with the line "cx18: Unknown symbol __udivdi3" appearing in dmesg when >>> the >>> module tries to load. I'm using Ubuntu 8.04.2 which uses kernel 2.6.24 >>> and >>> gcc 4.2.4. >>> >>> I also wanted to express my appreciation to Mauro for fixing the build >>> for >>> older kernels today, as it is very desirable for me to use a >>> distribution/kernel which has long-term support and updates, but I simply >>> need to add a DVB driver that wasn't part of the older kernel. >>> >>> Thanks so much. >>> >>> David Ward >>> >> >> Let it be known that this issue only affects 32bit kernels. I believe >> the offending line of code is here: >> >> fsc = ((((u64)sc) * 28636360)/src_decimation)>> 13L; >> >> (cc added to Andy Walls) >> >> -Mike Krufky >> > > Some Google searching seems to suggest that the correct thing to do here is > to use the 'do_div' macro for the division, which is declared in > <asm/div64.h>: > > http://www.captain.at/howto-udivdi3-umoddi3.php > > David Patches welcome :-) -MiKE -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
