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Subject: Re: [PATCH v1 0/4] Add tracing for SDHCI register access
To:     Raul E Rangel <rrangel@chromium.org>,
        linux-trace-devel@vger.kernel.org, linux-mmc@vger.kernel.org
Cc:     djkurtz@chromium.org, zwisler@chromium.org,
        Ludovic Barre <ludovic.barre@st.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Jisheng Zhang <Jisheng.Zhang@synaptics.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Faiz Abbas <faiz_abbas@ti.com>, linux-kernel@vger.kernel.org,
        Oleksij Rempel <linux@rempel-privat.de>,
        Liming Sun <lsun@mellanox.com>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Ingo Molnar <mingo@redhat.com>,
        Prabu Thangamuthu <Prabu.T@synopsys.com>,
        Chunyan Zhang <chunyan.zhang@unisoc.com>,
        Ulf Hansson <ulf.hansson@linaro.org>
References: <20190411220822.81845-1-rrangel@chromium.org>
From:   Adrian Hunter <adrian.hunter@intel.com>
Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki,
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Date:   Fri, 12 Apr 2019 09:26:44 +0300
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On 12/04/19 1:08 AM, Raul E Rangel wrote:
> I was debugging a SDHC hardware bug and got tired of having to
> translate the register values by hand. This patch set makes it so all
> SDHC register read and write operations can be traced and easily read by
> a human.

While this might be useful for people unfamiliar with SDHCI, I am not sure
it should be in the upstream kernel.  Also, it doesn't seem ideal for every
driver to add its own plumbing for such a feature.