linux-kernel - Re: [PATCHv12 9/9] soc: qcom: geni: Disable MMIO tracing for GENI SE

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Date:   Thu, 28 Apr 2022 12:50:38 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Sai Prakash Ranjan <quic_saipraka@...cinc.com>
Cc:     arnd@...db.de, catalin.marinas@....com, rostedt@...dmis.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        maz@...nel.org, quic_psodagud@...cinc.com, quic_tsoni@...cinc.com,
        will@...nel.org, Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: Re: [PATCHv12 9/9] soc: qcom: geni: Disable MMIO tracing for GENI SE

On Thu, Apr 28, 2022 at 03:25:32PM +0530, Sai Prakash Ranjan wrote:
> Disable MMIO tracing for geni serial engine driver as it is a
> high frequency operation with many register reads/writes and
> not very useful to log all MMIO traces and prevent excessive
> logging.
> 
> Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Sai Prakash Ranjan <quic_saipraka@...cinc.com>
> ---
>  drivers/soc/qcom/qcom-geni-se.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
> index 28a8c0dda66c..cd4ad16a8fa6 100644
> --- a/drivers/soc/qcom/qcom-geni-se.c
> +++ b/drivers/soc/qcom/qcom-geni-se.c
> @@ -1,5 +1,11 @@
>  // SPDX-License-Identifier: GPL-2.0
> -// Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
> +/*
> + * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */

Same review comment here.

> +/* Disable MMIO tracing */
> +#define __DISABLE_TRACE_MMIO__

And here.

thanks,

greg k-h