Re: [patch] x86: add compilation checks to pci_unmap_ macros

[Ingo Molnar <mingo@elte.hu>]

* Matti Linnanvuori <mattilinn@gmail.com> wrote:

> From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
> 
> Add compilation checks to pci_unmap_ macros.

> -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
> -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
> -#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
> -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
> -#define pci_unmap_len(PTR, LEN_NAME)		(0)
> -#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
> +#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME[0];
> +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)	unsigned LEN_NAME[0];
> +#define pci_unmap_addr(PTR, ADDR_NAME)	sizeof((PTR)->ADDR_NAME)
> +#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
> +	do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
> +#define pci_unmap_len(PTR, LEN_NAME)		sizeof((PTR)->LEN_NAME)
> +#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
> +	do { break; } while (pci_unmap_len(PTR, LEN_NAME))

applied to tip/x86/cleanups - thanks Matti.

Would you be interested in doing a small cleanup as well and convert the 
parameter names to non-shouting lower-case letters? (If you do it then 
please do it as a delta patch as i've already applied your current 
patch.)

	Ingo