Re: [RFC][PATCH] move dma_mask into struct device

[Patrick Mansfield]

On Fri, Nov 15, 2002 at 03:34:12PM -0500, J.E.J. Bottomley wrote:
> --- 1.36/drivers/scsi/hosts.h	Thu Nov 14 13:07:27 2002
> +++ edited/drivers/scsi/hosts.h	Fri Nov 15 14:43:59 2002
> @@ -468,10 +468,10 @@
>      unsigned int max_host_blocked;
>  
>      /*
> -     * For SCSI hosts which are PCI devices, set pci_dev so that
> -     * we can do BIOS EDD 3.0 mappings
> +     * This is a pointer to the generic device for this host (i.e. the
> +     * device on the bus);
>       */
> -    struct pci_dev *pci_dev;
> +    struct device *dev;
>  
>      /* 
>       * Support for driverfs filesystem
> @@ -521,11 +521,17 @@
>  	shost->host_lock = lock;
>  }
>  
> +static inline void scsi_set_device(struct Scsi_Host *shost,
> +                                   struct device *dev)
> +{
> +        shost->dev = dev;
> +        shost->host_driverfs_dev.parent = dev;
> +}
> +
>  static inline void scsi_set_pci_device(struct Scsi_Host *shost,
>                                         struct pci_dev *pdev)
>  {
> -	shost->pci_dev = pdev;
> -	shost->host_driverfs_dev.parent=&pdev->dev;
> +        scsi_set_device(shost, &pdev->dev);
>  }

Can shost->host_driverfs_dev.parent be used instead of adding and
using a duplicate shost->dev?

-- Patrick Mansfield