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ieee1394: limit early node speed to host interface speed

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The following patch limits the node speed to the host interface speed,
before using it.

Signed-off-by: Philippe De Muyter <phdm@macqel.be>

It should actually suffice to do this only for the local node's
speedcap[].  But there is another bug in the speed calculation:
The local node's speed is not correctly propagated to the speeds
which are to be used to access remote nodes.
http://thread.gmane.org/gmane.linux.kernel.firewire.devel/11772/focus=12024

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Philippe De Muyter 2008-04-11 16:27:59 +02:00 • committed by Stefan Richter
parent ee2d91e2b3
commit a6ca4f7081
1 changed files with 2 additions and 0 deletions
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2
drivers/ieee1394/ieee1394_core.c
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@ -373,6 +373,8 @@ static void build_speed_map(struct hpsb_host *host, int nodecount)
if (sid->port2 == SELFID_PORT_CHILD) cldcnt[n]++;
speedcap[n] = sid->speed;
if (speedcap[n] > host->csr.lnk_spd)
speedcap[n] = host->csr.lnk_spd;
n--;
}
}