linux-kernel - Re: [PATCH] ARM: OMAP: Use ARM SMC Calling Convention when OP-TEE is available

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Date:   Tue, 19 Nov 2019 10:05:46 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     "Andrew F. Davis" <afd@...com>
Cc:     Mark Rutland <mark.rutland@....com>, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: OMAP: Use ARM SMC Calling Convention when OP-TEE is
 available

* Tony Lindgren <tony@...mide.com> [191119 16:43]:
> What I'd like to have though is to make arm_smccc_smc()
> work for optee and non-optee case for mach-omap2 as it
> already has the features necessary to do the runtime
> patching of the code for the quirks.

In any case sounds like we only need the r12 quirk when
optee is _not_ enabled.

So a modified version of your earlier smccc-call.S patch
modified to only enable the r12 quirk when no optee is
loaded just might be all we need :)

Regards,

Tony