The "pci0 dev 1 function 2" aka "System Management" on the nForce chipset
isn't detected on the Xbox. If XBOX is defined and arch_i386_is_xbox is
true, force intrline to 12 and map the system management IO space at
0x8000. We can now call iic_smbus_intr when a system management interrupt
takes place.
While we're here, make amdpm_smbus honour the I2C_F_POLL flag.
The Xbox no longer resets when you press the eject button.
and ADT 7463c thermal and voltage monitor found on the Tyan S2881 and S2882-D
(and probably other boards as well). We do not currently support any kind
of detection of the i2c address of the thermal monitor; it appears to be
at 0x2D on the S2881 and 0x2E on the S2882-D (kernel config examples
forthcoming).
From PR kern/32463 submitted by Anil Gopinath, anil_public@yahoo.com.
want the NO_ESTIMATE flag here, because if the source doesn't have it,
rnd_add_data will *use the time the data was added directly as entropy*,
which is not a good idea either for a hardware RNG that works like this
one (periodically polled by the driver) or, really, like any other that I've
seen, because even for "interrupt when ready" RNGs the data rate (and thus
interrupt time) will vary only slightly for a given RNG configuration over
time, if at all.
The data we add _is_ counted into the pool estimage because we directly
pass in an entropy estimate.
The overloading of the NO_ESTIMATE flag with this meaning seems, to me, like
a design bug (albeit easily fixed) in the rng interface; but until that's
changed, we need to use it here.
means "count", in this context) the entropy we're adding because we poll the
device periodically. Sure, we poll it periodically, but it's a hardware
RNG -- the data returned should be random no matter when we read the
register!
