[PATCH] RapidIO: documentation update

[PATCH] RapidIO: documentation update

[Alexandre Bounine]

Update rapidio.txt to reflect changes from recent patch.
See http://marc.info/?l=linux-kernel&m=131285620113589&w=2 for details.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Liu Gang <Gang.Liu@freescale.com>
---
 Documentation/rapidio/rapidio.txt |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/rapidio/rapidio.txt b/Documentation/rapidio/rapidio.txt
index be70ee1..c75694b 100644
--- a/Documentation/rapidio/rapidio.txt
+++ b/Documentation/rapidio/rapidio.txt
@@ -144,7 +144,7 @@ and the default device ID in order to access the device on the active port.
 
 After the host has completed enumeration of the entire network it releases
 devices by clearing device ID locks (calls rio_clear_locks()). For each endpoint
-in the system, it sets the Master Enable bit in the Port General Control CSR
+in the system, it sets the Discovered bit in the Port General Control CSR
 to indicate that enumeration is completed and agents are allowed to execute
 passive discovery of the network.
 
-- 
1.7.6

Re: [PATCH] RapidIO: documentation update

[Micha Nelissen]

Alexandre Bounine wrote:
>  After the host has completed enumeration of the entire network it releases
>  devices by clearing device ID locks (calls rio_clear_locks()). For each endpoint
> -in the system, it sets the Master Enable bit in the Port General Control CSR
> +in the system, it sets the Discovered bit in the Port General Control CSR
>  to indicate that enumeration is completed and agents are allowed to execute
>  passive discovery of the network.

The host needs to set both. Without Master Enable an agent is not
supposed to initiate transactions on the "bus", that's the meaning of
that bit.

Micha

RE: [PATCH] RapidIO: documentation update

[Bounine, Alexandre]

Micha Nelissen wrote:
>=20
> Alexandre Bounine wrote:
> >  After the host has completed enumeration of the entire network it
releases
> >  devices by clearing device ID locks (calls rio_clear_locks()). For
each endpoint
> > -in the system, it sets the Master Enable bit in the Port General
Control CSR
> > +in the system, it sets the Discovered bit in the Port General
Control CSR
> >  to indicate that enumeration is completed and agents are allowed to
execute
> >  passive discovery of the network.
>=20
> The host needs to set both. Without Master Enable an agent is not
> supposed to initiate transactions on the "bus", that's the meaning of
> that bit.

This is correct and host set both bits: Master_Enable and Discovered.
The documentation change above is related to event that triggers
discovery process.
In this context the change shown above is sufficient.
Please see the original code patch submitted by Liu Gang.

Alex.
  =20