From: Michael Ellerman <mpe@ellerman•id.au>
To: Frederic Barrat <fbarrat@linux•vnet.ibm.com>,
imunsie@au1•ibm.com, mikey@neuling•org,
linuxppc-dev@lists•ozlabs.org
Subject: Re: cxl: Increase timeout for detection of AFU mmio hang
Date: Fri, 22 Apr 2016 22:12:52 +1000 (AEST) [thread overview]
Message-ID: <3qrvdc6WDTz9t4b@ozlabs.org> (raw)
In-Reply-To: <1461083664-12283-1-git-send-email-fbarrat@linux.vnet.ibm.com>
On Tue, 2016-19-04 at 16:34:24 UTC, Frederic Barrat wrote:
> PSL designers recommend a larger value for the mmio hang pulse, 256 us
> instead of 1 us. The CAIA architecture states that it needs to be
> smaller than 1/2 of the RTOS timeout set in the PHB for outbound
> non-posted transactions, which is still (easily) the case here.
>
> Signed-off-by: Frederic Barrat <fbarrat@linux•vnet.ibm.com>
> Acked-by: Ian Munsie <imunsie@au1•ibm.com>
> Tested-by: Frank Haverkamp <haver@linux•vnet.ibm.com>
> Tested-by: Manoj Kumar <manoj@linux•vnet.ibm.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/4aec6ec0da9c72c0fa1a5b0d11
cheers
prev parent reply other threads:[~2016-04-22 12:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-19 16:34 [PATCH] cxl: Increase timeout for detection of AFU mmio hang Frederic Barrat
2016-04-20 1:34 ` Ian Munsie
2016-04-20 17:18 ` Frederic Barrat
2016-04-20 17:39 ` Manoj Kumar
2016-04-22 12:12 ` Michael Ellerman [this message]
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