[PATCH] pseries: asm/pci-bridge.h CONFIG_ minor cleanup

[Michael Ellerman]

On Mon, 2007-05-21 at 18:18 -0500, Linas Vepstas wrote:
> Use the correct CONFIG_ option to mark off the EEH bits.
> Move the EEH bits to the bottom of the struct.
> 
> Signed-off-by: Linas Vepstas <linas at austin.ibm.com>
> 
> ----
>  include/asm-powerpc/pci-bridge.h |   15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> Index: linux-2.6.22-rc1/include/asm-powerpc/pci-bridge.h
> ===================================================================
> --- linux-2.6.22-rc1.orig/include/asm-powerpc/pci-bridge.h	2007-05-21 18:13:00.000000000 -0500
> +++ linux-2.6.22-rc1/include/asm-powerpc/pci-bridge.h	2007-05-21 18:13:36.000000000 -0500
> @@ -70,19 +70,20 @@ struct pci_dn {
>  	int	devfn;			/* pci device and function number */
>  	int	class_code;		/* pci device class */
>  
> -#ifdef CONFIG_PPC_PSERIES
> -	int	eeh_mode;		/* See eeh.h for possible EEH_MODEs */
> -	int	eeh_config_addr;
> -	int	eeh_pe_config_addr; /* new-style partition endpoint address */
> -	int 	eeh_check_count;	/* # times driver ignored error */
> -	int 	eeh_freeze_count;	/* # times this device froze up. */
> -#endif

You're making the struct 4 bytes larger by creating a hole here :(

>  	int	pci_ext_config_space;	/* for pci devices */
>  	struct  pci_controller *phb;	/* for pci devices */
>  	struct	iommu_table *iommu_table;	/* for phb's or bridges */
>  	struct	pci_dev *pcidev;	/* back-pointer to the pci device */
>  	struct	device_node *node;	/* back-pointer to the device_node */
> +
> +#ifdef CONFIG_EEH
> +	int	eeh_mode;		/* See eeh.h for possible EEH_MODEs */
> +	int	eeh_config_addr;
> +	int	eeh_pe_config_addr; /* new-style partition endpoint address */
> +	int 	eeh_check_count;	/* # times driver ignored error */
> +	int 	eeh_freeze_count;	/* # times this device froze up. */
>  	u32	config_space[16];	/* saved PCI config space */
> +#endif

It looks correct, but I think it's worth mentioning in the changelog
that config_space was previously unconditionally defined, but is now
within CONFIG_EEH.

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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