On 9/2/05, Daniel Drake <[email protected]> wrote:
> Bartlomiej Zolnierkiewicz wrote:
> > Same thing as with VT6420 support:
> >
> > I'm still concerned about VIA IDE chipset + VT6410 combo
> > (AFAIR I've also seen VT6410 on PCI add-on card but I can be wrong).
> >
> > via82cxxx.c needs to be fixed to support multiple controllers first.
>
> Hows this? I don't have any hardware with two VIA controllers, however I have
> tested this on a pc which has a single vt8233a controller.
>
> ---
>
> Support multiple controllers in the via82cxxx IDE driver
>
> Signed-off-by: Daniel Drake <[email protected]>
--- linux/drivers/ide/pci/via82cxxx.c.orig 2005-08-31 01:32:05.000000000 +0100
+++ linux/drivers/ide/pci/via82cxxx.c 2005-09-02 01:16:59.000000000 +0100
@@ -101,11 +101,19 @@ static struct via_isa_bridge {
{ NULL }
};
-static struct via_isa_bridge *via_config;
-static unsigned int via_80w;
-static unsigned int via_clock;
static char *via_dma[] = { "MWDMA16", "UDMA33", "UDMA66", "UDMA100",
"UDMA133" };
I would really prefer not to add per host struct via82xxx_dev,
(making it per hwif and doing extra match in ->init_hwif() is acceptable).
+struct via82cxxx_dev
+{
+ struct pci_dev *pci_dev, *isa_dev;
pci_dev is needed only for /proc/via and I would prefer /proc/via
to vanish because it complicates driver needlessly (could you do
this in separate patch?).
isa_dev has no relevance for vt6410 and won't be needed if
/proc/via goes away
+ struct via_isa_bridge *via_config;
Please instead add via_config_find() which would
find proper via_config given PCI ID.
+ unsigned int via_clock;
Global via_clock is OK as IDE core doesn't
support per bus PCI clocks anyway.
+ unsigned int via_80w;
Cable detection code should be moved to separate function
and be called from ->init_hwif() (required for future hotplug support).
Otherwise patch looks fine.
Thanks and sorry for the delay,
Bartlomiej
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