linux-kernel - Re: [PATCH] firmware: arm_ffa: Set dma

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Message-ID: <Z8GAEDVIUiooPjf_@bogus>
Date: Fri, 28 Feb 2025 09:21:20 +0000
From: Sudeep Holla <sudeep.holla@....com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Vincent Guittot <vincent.guittot@...aro.org>,
	Sudeep Holla <sudeep.holla@....com>,
	Alex Bennée <alex.bennee@...aro.org>,
	Bill Mills <bill.mills@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware: arm_ffa: Set dma_mask for ffa devices

On Fri, Feb 28, 2025 at 01:57:45PM +0530, Viresh Kumar wrote:
> On 17-01-25, 10:09, Sudeep Holla wrote:
> > On Fri, Jan 17, 2025 at 03:35:52PM +0530, Viresh Kumar wrote:
> > > Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer
> > > lead to following warning:
> > > 
> > > WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124
> > >
> > 
> > Looks good, will add to my queue after next -rc1.
> 
> Ping.
> 

Sorry I forgot to respond. I kept this out for now as we need to resolve
the DT bindings.

If you think it can be used/needed irrespective of how we resolve that
issue ? If so, I can queue this.

-- 
Regards,
Sudeep