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Subject: Re: [RFC 1/2] mmc: sdhci-msm: Add support for bus bandwidth voting
To:     Pradeep P V K <ppvk@codeaurora.org>, adrian.hunter@intel.com,
        ulf.hansson@linaro.org, robh+dt@kernel.org
Cc:     asutoshd@codeaurora.org, vbadigan@codeaurora.org,
        stummala@codeaurora.org, sayalil@codeaurora.org,
        rampraka@codeaurora.org, linux-mmc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org,
        Subhash Jadavani <subhashj@codeaurora.org>,
        Andy Gross <agross@kernel.org>
References: <1567774037-2344-1-git-send-email-ppvk@codeaurora.org>
 <1567774037-2344-2-git-send-email-ppvk@codeaurora.org>
From:   Georgi Djakov <georgi.djakov@linaro.org>
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Message-ID: <616c7a8c-a1cf-2043-4ea4-f452ee90f083@linaro.org>
Date:   Thu, 12 Sep 2019 15:56:08 +0300
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In-Reply-To: <1567774037-2344-2-git-send-email-ppvk@codeaurora.org>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi Pradeep,

Thanks for the patch!

On 9/6/19 15:47, Pradeep P V K wrote:
> Vote for the MSM bus bandwidth required by SDHC driver
> based on the clock frequency and bus width of the card.
> Otherwise,the system clocks may run at minimum clock speed
> and thus affecting the performance.
> 
> This change is based on Georgi Djakov [RFC]
> (https://lkml.org/lkml/2018/10/11/499)

I am just wondering whether do we really need to predefine the bandwidth values
in DT? Can't we use the computations from the above patch or is there any
problem with that approach?

Thanks,
Georgi