From: Micha Nelissen <micha@neli.hopto.org>
To: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Liu Gang <Gang.Liu@freescale.com>,
akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RapidIO: documentation update
Date: Sat, 17 Sep 2011 12:05:26 +0200 [thread overview]
Message-ID: <4E7470E6.2000404@neli.hopto.org> (raw)
In-Reply-To: <1316092759-5460-1-git-send-email-alexandre.bounine@idt.com>
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
next prev parent reply other threads:[~2011-09-17 10:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-15 13:19 [PATCH] RapidIO: documentation update Alexandre Bounine
2011-09-17 10:05 ` Micha Nelissen [this message]
2011-09-19 0:20 ` Bounine, Alexandre
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