This makes no sense to me.
Please keep in mind that the global_data stuff is intended for, and only for, holding global information while we are still running from flash (i. e. before relocation) so that we have neiter a writabel data segment nor a valid bss segment.
PCI initialization always happens *after* relocation to RAM, therefore no PCI related variables are ever needed in the global_data structure.
Yes, I know it. But I only meant pci_clk for some cpus and other PCI related things (pciexp1_clk, pciexp2_clk for MPC837x etc)... At this moment we have in the global_data such things as:
struct global_data { ... #ifdef some_cpu1 u32 pci_clk; ... #enif ... #ifdef some_cpu2 unsigned long pci_clk; ... #endif
#ifdef some_cpu3 u32 pci_clk; ... #endif }
Does it is right approach? What do I do to use pci_clk for the mpc8272? May be it is more correctly to use the next form of declaration:
struct global_data { #ifdef CONFIG_PCI u32 pci_clk; #ifdef some_cpu1 /* cpu1 specific pci variables */ #endif #endif
Thanks.