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Subject: Re: [PATCH v12 13/17] counter: Implement signalZ_action_component_id
 sysfs attribute
To:     William Breathitt Gray <vilhelm.gray@gmail.com>, jic23@kernel.org
Cc:     linux-stm32@st-md-mailman.stormreply.com, kernel@pengutronix.de,
        a.fatoum@pengutronix.de, kamel.bouhara@bootlin.com,
        gwendal@chromium.org, alexandre.belloni@bootlin.com,
        linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, syednwaris@gmail.com,
        patrick.havelange@essensium.com, fabrice.gasnier@st.com,
        mcoquelin.stm32@gmail.com, alexandre.torgue@st.com,
        o.rempel@pengutronix.de, jarkko.nikula@linux.intel.com,
        Dan Carpenter <dan.carpenter@oracle.com>
References: <cover.1625471640.git.vilhelm.gray@gmail.com>
 <472b3f1cce1bbfedd2031cdb70d0348f3802e821.1625471640.git.vilhelm.gray@gmail.com>
From:   David Lechner <david@lechnology.com>
Message-ID: <a9bc17fa-2ba0-027c-2ad8-99e4e6a03b2a@lechnology.com>
Date:   Sat, 10 Jul 2021 11:20:45 -0500
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On 7/5/21 3:19 AM, William Breathitt Gray wrote:
> The Generic Counter chrdev interface expects users to supply component
> IDs in order to select Synapses for requests. In order for users to know
> what component ID belongs to which Synapse this information must be
> exposed. The signalZ_action_component_id attribute provides a way for
> users to discover what component ID belongs to the respective Synapse.
> 
> Cc: David Lechner <david@lechnology.com>
> Cc: Gwendal Grignou <gwendal@chromium.org>
> Cc: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> ---

I like this better than having to scrape the number from the
attribute name.

Reviewed-by: David Lechner <david@lechnology.com>

> +	/* Allocate Counter attribute */
> +	counter_attr = devm_kzalloc(dev, sizeof(*counter_attr), GFP_KERNEL);

nit: Comments like this are redundant and can be omitted. All 3 words
in the comment are literally (abbreviated) in the next line of code so
it doesn't add any new/useful information.