发布时间:2013-11-20 10:06:39
arch/arm/kernel/process.c/* * The idle thread, has rather strange semantics for calling pm_idle, * but this is what x86 does and we need to do the same, so that * things like cpuidle get called in the same way. The only difference * is that we always respect 'hlt_coun.........【阅读全文】
发布时间:2013-09-05 15:53:04
http://blog.csdn.net/ykqnjust/article/details/6236389 PCI BAR空间分为两类:IORESOURCE_IO(非可预取)和IORESOURCE_MEM(可预取),一般来说,对于BAR为寄存器空间,都要设置为IORESOURCE_IO;对于BAR为存储器空间,要设置为IORESOURCE_MEM; 那么为什么要区分两种类型的空间呢?&nbs.........【阅读全文】