Re: CardBus bridge and wireless card plugged into it use same IRQ: Correct?
On Wed, 2005-08-03 at 18:42 +0200, Wolfgang Pfeiffer wrote:
> Hi All
>
> Here is the output of lspci -v:
>
> ------------------------------------------
> 0001:10:1a.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02)
> Flags: bus master, medium devsel, latency 168, IRQ 58
> Memory at a0000000 (32-bit, non-prefetchable) [size=4K]
> Bus: primary=10, secondary=11, subordinate=14, sec-latency=176
> Memory window 0: 90000000-9ffff000 (prefetchable)
> Memory window 1: f3000000-f31ff000
> I/O window 0: 00001000-00008fff
> I/O window 1: 00009000-000090ff
> 16-bit legacy interface ports at 0001
>
> 0001:11:00.0 Network controller: RaLink Ralink RT2500 802.11 Cardbus Reference Card (rev 01)
> Subsystem: Unknown device 1948:3c00
> Flags: bus master, slow devsel, latency 0, IRQ 58
> Memory at f3000000 (32-bit, non-prefetchable) [size=8K]
> Capabilities: <available only to root>
> _____________________________________________
>
>
> The above details the fact (or better: I hope it's a fact :) that
> "Ralink RT2500" (a wi-fi chip) is connected to the PCMCIA slot
> ("CardBus bridge") of a Titanium IV ..
>
> Logic might suggest the connector (the "bridge") can/must use the same
> interrupt as the wireless card that is connected to the former, but
> I'm not sure on it. So if someone with more knowledge could enlighten
> me a bit.
They are using both IRQ 58. What's wrong with that ?
Ben.
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