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Message-ID: <135be705-24f9-13b8-6939-0eaa569434d7@linaro.org>
Date:   Sat, 23 Jul 2022 19:59:00 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 2/3] Documentation: sysfs: Document Broadcom STB memc
 sysfs knobs

On 22/07/2022 22:10, Florian Fainelli wrote:
> Document the "srpd" and "frequency" sysfs attributes exposed by
> the brcmstb_memc driver.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  .../ABI/testing/sysfs-platform-brcmstb-memc       | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>  create mode 100644 Documentation/ABI/testing/sysfs-platform-brcmstb-memc
> 
> diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-memc b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc
> new file mode 100644
> index 000000000000..2bf0f58e412c
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc
> @@ -0,0 +1,15 @@
> +What:		/sys/devices/platform/*/*/*/*/srpd

That's a lot of */. Are you sure it is correct path? Didn't you include
here some driver-related path components? Can you paste in email full
path as an example?

> +Date:		July 2022
> +KernelVersion:	5.21
> +Contact:	Florian Fainelli <f.fainelli@...il.com>
> +Description:
> +		Self Refresh Power Down (SRPD) inactivity timeout counted in
> +		internal DDR controller clock cycles. Possible values range
> +		from 0 (disable inactivity timeout) to 65535 (0xffff).

Using hex suggests one should write there hex? If so, skip decimal...
You describe the user interface, not hardware registers.

> +
> +What:		/sys/devices/platform/*/*/*/*/frequency
> +Date:		July 2022
> +KernelVersion:	5.21
> +Contact:	Florian Fainelli <f.fainelli@...il.com>
> +Description:
> +		DDR PHY frequency in Hz.


Best regards,
Krzysztof

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