Re: [PATCH] SGIWD93: use cached memory access to make driver work on IP28

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Mon, 26 Nov 2007, Thomas Bogendoerfer wrote:
> --- a/drivers/scsi/sgiwd93.c
> +++ b/drivers/scsi/sgiwd93.c
> @@ -33,19 +33,27 @@
>  
>  struct ip22_hostdata {
>       struct WD33C93_hostdata wh;
> -     struct hpc_data {
> -             dma_addr_t      dma;
> -             void            *cpu;
> -     } hd;
> +     dma_addr_t dma;
> +     void *cpu;
> +     void *dev;
>  };
>  
>  #define host_to_hostdata(host) ((struct ip22_hostdata *)((host)->hostdata))
>  
>  struct hpc_chunk {
>       struct hpc_dma_desc desc;
> -     u32 _padding;   /* align to quadword boundary */
> +     u32 _padding[128/4 - 3];        /* align to biggest cache line size */
                     ^^^^^^^^^
(128 - sizeof(struct hpc_dma_desc))/4?

Gr{oetje,eeting}s,

                                                Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                                            -- Linus Torvalds