[lkml]   [2006]   [Oct]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH cciss: fix printk format warning
Roland Dreier wrote:
> > OK, how about this one then?
> >
> > c->busaddr = (__u32) cmd_dma_handle;
> >
> > where cmd_dma_handle is a dma_addr_t (u32 or u64)
> It's super-fishy looking but actually I think it's OK, at least as
> things stand now. As you see later from how it's freed:
> > pci_free_consistent(h->pdev, sizeof(CommandList_struct),
> > c, (dma_addr_t) c->busaddr);
> this is the bus address of memory from pci_alloc_consistent(), and
> since cciss never does pci_set_consistent_dma_mask(), the mask will
> remain at the default 32 bits. So the driver is actually safe in
> assuming that cmd_dma_handle fits into 32 bits. assuming that
> cmd_dma_handle.

Hm, OK. Thanks.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-10-27 01:55    [W:0.051 / U:0.840 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site