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Re: BCM4321 (b43) on AppleTV (1st gen)

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On 02/07/2013 05:01 PM, Dag Wieers wrote:
And that the kernel has been compiled using:
----
CONFIG_B43=m
CONFIG_B43_SSB=y
CONFIG_B43_PCI_AUTOSELECT=y
CONFIG_B43_PCICORE_AUTOSELECT=y
CONFIG_B43_PIO=y
CONFIG_B43_PHY_N=y
CONFIG_B43_PHY_LP=y
CONFIG_B43_PHY_HT=y
CONFIG_B43_LEDS=y
CONFIG_B43_DEBUG=y
----

If the above can be trimmed down for this type of device I'd like to hear that
as well (e.g. I am not sure if we need PIO or LEDS in this case).

PS I am also interested in any power management capabilities the device has and
that we could enable when the device is idle, since the system lacks proper
power management capabilities by itself (suspend/hibernate) and seems to have a
limited ACPI implementation.

As no one else seems to be responding, I'll try.

In the configuration, you certainly do not need PIO or LEDS. For that particular device, you also do not need PHY_LP, as that is strictly an 802.11g PHY. As to power-management capabilities, there are no configurable parameters.

What throughput do you get with Broadcom-wl with your setup? That will give you an idea of the potential performance of the device. As the equivalent of wl was used for the reverse engineering, that will certainly be the upper limit of what b43 can do. Only if the RE was perfect could we match that result.

Larry


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