Re: [Pcihpd-discuss] [PATCH 2/5] Construct one fakephp slot per pci slot

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Alex Chiang wrote:
> Register one slot per slot, rather than one slot per function.
> Change the name of the slot to fake%d instead of the pci address.
>
> Signed-off-by: Alex Chiang <[email protected]>
> Signed-off-by: Matthew Wilcox <[email protected]>
> ---
>  drivers/pci/hotplug/fakephp.c |   75
> +++++++++++++++-------------------------- 1 files changed, 27
> insertions(+), 48 deletions(-)
>
> diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
> index 027f686..828335e 100644
> --- a/drivers/pci/hotplug/fakephp.c
> +++ b/drivers/pci/hotplug/fakephp.c
> @@ -93,6 +93,7 @@ static int add_slot(struct pci_dev *dev)
>  	struct dummy_slot *dslot;
>  	struct hotplug_slot *slot;
>  	int retval = -ENOMEM;
> +	static int count = 1;
>
>  	slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
>  	if (!slot)
> @@ -106,7 +107,8 @@ static int add_slot(struct pci_dev *dev)
>  	slot->info->max_bus_speed = PCI_SPEED_UNKNOWN;
>  	slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;
>
> -	slot->name = &dev->dev.bus_id[0];
> +	slot->name = kmalloc(8, GFP_KERNEL);
> +	sprintf(slot->name, "fake%d", count++);
>  	dbg("slot->name = %s\n", slot->name);
>
>  	dslot = kmalloc(sizeof(struct dummy_slot), GFP_KERNEL);

This is ugly. Please do it the way we already do e.g. for acpiphp: add a 
char[8] to "struct dummy_slot" and just reference that here. Or better do 
what this name suggests: kill fakephp completely and use dummyphp[1] instead.

Eike

1) http://opensource.sf-tec.de/kernel/

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