[U-Boot-Users] pci_hose_read_config_byte() definition puzzles
Sam Song
samsongshu at yahoo.com.cn
Wed Jun 1 10:43:46 CEST 2005
--- Wolfgang Denk <wd at denx.de> wrote:
> The code is where it is to be expected - in
> "drivers/pci.c":
>
> #define PCI_HOSE_OP(rw, size, type)
> \
> int pci_hose_##rw##_config_##size(struct
> pci_controller *hose, \
> pci_dev_t dev,
> \
> int offset, type
> value) \
> {
> \
> return hose->rw##_##size(hose, dev, offset,
> value); \
> }
>
> PCI_HOSE_OP(read, byte, u8 *)
> PCI_HOSE_OP(read, word, u16 *)
> PCI_HOSE_OP(read, dword, u32 *)
> PCI_HOSE_OP(write, byte, u8)
> PCI_HOSE_OP(write, word, u16)
> PCI_HOSE_OP(write, dword, u32)
>
> Sometimes even "grep" cannot save you from actually
> RTFS ;-)
Lessons learned:-) Really appreciate your hints!
Sam
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