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Message-ID: <20230811233634.GU1428172@hu-bjorande-lv.qualcomm.com>
Date: Fri, 11 Aug 2023 16:36:34 -0700
From: Bjorn Andersson <quic_bjorande@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Chris Lew <quic_clew@...cinc.com>
CC: Alex Elder <elder@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-msm@...r.kernel.org>,
<linux-remoteproc@...r.kernel.org>, Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v2 2/4] soc: qcom: aoss: Add debugfs interface for
sending messages
On Fri, Aug 11, 2023 at 01:58:37PM -0700, Bjorn Andersson wrote:
> From: Chris Lew <clew@...eaurora.org>
>
> In addition to the normal runtime commands, the Always On Processor
> (AOP) provides a number of debug commands which can be used during
> system debugging for things such as preventing power collapse or placing
> floor votes for certain resources. Some of these are documented in the
> Robotics RB5 "Debug AOP ADB" linked below.
>
> Provide a debugfs interface for the developer/tester to send these
> commands to the AOP.
>
> Link: https://docs.qualcomm.com/bundle/publicresource/topics/80-88500-3/85_Debugging_AOP_ADB.html
> Signed-off-by: Chris Lew <clew@...eaurora.org>
> [bjorn: Dropped debugfs guards, improve error codes, rewrote commit message]
> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> ---
> drivers/soc/qcom/qcom_aoss.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c
> index 880fe234ca0a..13bf13ab78d6 100644
> --- a/drivers/soc/qcom/qcom_aoss.c
> +++ b/drivers/soc/qcom/qcom_aoss.c
> @@ -3,6 +3,7 @@
> * Copyright (c) 2019, Linaro Ltd
> */
> #include <linux/clk-provider.h>
> +#include <linux/debugfs.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> #include <linux/mailbox_client.h>
> @@ -82,6 +83,7 @@ struct qmp {
>
> struct clk_hw qdss_clk;
> struct qmp_cooling_device *cooling_devs;
> + struct dentry *debugfs_file;
Simon Horman pointed out in the previous version that this isn't added
to kernel-doc, and I missed correcting this.
Regards,
Bjorn
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