* how to fix nand driver build breakage [not found] <38D9F46DFF92C54980D2F2C1E8EE31301FC5E7FB@pdsmsx503.ccr.corp.intel.com> @ 2009-01-19 4:25 ` KOSAKI Motohiro 2009-01-19 11:46 ` Simon Holm Thøgersen 0 siblings, 1 reply; 2+ messages in thread From: KOSAKI Motohiro @ 2009-01-19 4:25 UTC (permalink / raw) To: Gao, Yunpeng Cc: kosaki.motohiro, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org > Hi all, > > I have to use 64bit variable in my 2.6.27 kernel NAND driver as below: > --------------------------------------------------------------------------- > u64 NAND_capacity; > unsigned int block_num, block_size; > ... > block_num = NAND_capacity / block_size; > --------------------------------------------------------------------------- > but it failed when compiling and reports 'undefined reference to `__udivdi3'. > > Does any idea about this? I need to include some special head file or change something in Kconfig? > > BTW, the environment is Fedora Core 9, gcc 4.3.0. Couldn't you use do_div()? ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: how to fix nand driver build breakage 2009-01-19 4:25 ` how to fix nand driver build breakage KOSAKI Motohiro @ 2009-01-19 11:46 ` Simon Holm Thøgersen 0 siblings, 0 replies; 2+ messages in thread From: Simon Holm Thøgersen @ 2009-01-19 11:46 UTC (permalink / raw) To: KOSAKI Motohiro Cc: Gao, Yunpeng, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org man, 19 01 2009 kl. 13:25 +0900, skrev KOSAKI Motohiro: > > Hi all, > > > > I have to use 64bit variable in my 2.6.27 kernel NAND driver as below: > > --------------------------------------------------------------------------- > > u64 NAND_capacity; > > unsigned int block_num, block_size; > > ... > > block_num = NAND_capacity / block_size; > > --------------------------------------------------------------------------- > > but it failed when compiling and reports 'undefined reference to `__udivdi3'. > > > > Does any idea about this? I need to include some special head file or change something in Kconfig? > > > > BTW, the environment is Fedora Core 9, gcc 4.3.0. > > Couldn't you use do_div()? Perhaps rather div_u64, but otherwise he should be able to yes. Simon Holm Th√∏gersen -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 2+ messages in thread
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2009-01-19 4:25 ` how to fix nand driver build breakage KOSAKI Motohiro
2009-01-19 11:46 ` Simon Holm Thøgersen
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