[PATCH 1/7]: PCI revised [PATCH 16/42]: PCI: PCI Error reporting callbacks

Christoph Hellwig hch at lst.de
Tue Nov 8 06:59:43 EST 2005


On Mon, Nov 07, 2005 at 01:57:27PM -0600, linas wrote:
> On Mon, Nov 07, 2005 at 10:27:27AM -0800, Greg KH was heard to remark:
> > 3) realy strong typing that sparse can detect.
> 
> 
> PCI Error Recovery: header file patch
> 
> Change enums and subroutine signatures to be strongly typed, per recent
> discussion with GregKH. Also, change the acronym to the more unique, 
> less generic "PERS" "PCI Error Recovery System".
> 
> Greg, Please apply.
> 
> Signed-off-by: Linas Vepstas <linas at austin.ibm.com>
> 
> --
> Index: linux-2.6.14-mm1/include/linux/pci.h
> ===================================================================
> --- linux-2.6.14-mm1.orig/include/linux/pci.h	2005-11-07 13:55:28.528843983 -0600
> +++ linux-2.6.14-mm1/include/linux/pci.h	2005-11-07 13:55:35.745830682 -0600
> @@ -82,11 +82,11 @@
>   *  the pci device.  If some PCI bus between here and the pci device
>   *  has crashed or locked up, this info is reflected here.
>   */
> -enum pci_channel_state {
> +typedef enum {
>  	pci_channel_io_normal = 0,	/* I/O channel is in normal state */
>  	pci_channel_io_frozen = 1,	/* I/O to channel is blocked */
>  	pci_channel_io_perm_failure,	/* PCI card is dead */
> -};
> +} pci_channel_state_t;

this is not strongly typed, just a completely useless typedef.




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