linux-kernel - Re: [PATCH 1/4] firmware: tegra: propagate error code to caller

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Date:   Tue, 17 Oct 2017 12:41:24 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Timo Alho <talho@...dia.com>
Cc:     linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] firmware: tegra: propagate error code to caller

On Thu, Sep 07, 2017 at 12:31:01PM +0300, Timo Alho wrote:
> Response messages from Tegra BPMP firmware contain an error return
> code as the first word of payload. The error code is used to indicate
> incorrectly formatted request message or use of non-existing resource
> (clk, reset, powergate) identifier. Current implementation of
> tegra_bpmp_transfer() ignores this code and does not pass it to
> caller. Fix this by adding an extra struct member to
> tegra_bpmp_message and populate that with return code.
> 
> Signed-off-by: Timo Alho <talho@...dia.com>
> ---
>  drivers/firmware/tegra/bpmp.c | 22 ++++++++++++++++------
>  include/soc/tegra/bpmp.h      |  1 +
>  2 files changed, 17 insertions(+), 6 deletions(-)

Applied, thanks.

Thierry

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