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Subject: Re: [PATCH 03/14] cxl: Enable bus mastering for devices using CAPP
 DMA mode
To: Ian Munsie <imunsie@au1.ibm.com>, Michael Ellerman <mpe@ellerman.id.au>,
 Michael Neuling <mikey@neuling.org>,
 Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
 linuxppc-dev@lists.ozlabs.org, Huy Nguyen <huyn@mellanox.com>
References: <1467638532-9250-1-git-send-email-imunsie@au.ibm.com>
 <1467638532-9250-4-git-send-email-imunsie@au.ibm.com>
From: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Date: Wed, 6 Jul 2016 18:37:15 +0200
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Le 04/07/2016 15:22, Ian Munsie a écrit :
> From: Ian Munsie <imunsie@au1.ibm.com>
>
> Devices that use CAPP DMA mode (such as the Mellanox CX4) require bus
> master to be enabled in order for the CAPI traffic to flow. This should
> be harmless to enable for other cxl devices, so unconditionally enable
> it in the adapter init flow.
>
> Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>


Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>