linux-kernel - Re: [Patch v2 2/2] memory: tegra: set BPMP msg flags to reset IPC channels

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Message-ID: <8bdeefb0-4a62-4bcb-be84-1efbc2e18377@linaro.org>
Date:   Thu, 12 Oct 2023 15:32:42 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sumit Gupta <sumitg@...dia.com>
Cc:     treding@...dia.com, jonathanh@...dia.com,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
        bbasu@...dia.com
Subject: Re: [Patch v2 2/2] memory: tegra: set BPMP msg flags to reset IPC
 channels

On 12/10/2023 13:00, Thierry Reding wrote:
> On Mon, Oct 09, 2023 at 03:35:57PM +0530, Sumit Gupta wrote:
>> From: Thierry Reding <treding@...dia.com>
>>
>> Set the 'TEGRA_BPMP_MESSAGE_RESET' bit in newly added 'flags' field
>> of 'struct tegra_bpmp_message' to request for the reset of BPMP IPC
>> channels. This is used along with the 'suspended' check in BPMP driver
>> for handling early bandwidth requests due to the hotplug of CPU's
>> during system resume before the driver gets resumed.
>>
>> Fixes: f41e1442ac5b ("cpufreq: tegra194: add OPP support and set bandwidth")
>> Signed-off-by: Thierry Reding <treding@...dia.com>
>> Co-developed-by: Sumit Gupta <sumitg@...dia.com>
>> Signed-off-by: Sumit Gupta <sumitg@...dia.com>
>> ---
>>  drivers/memory/tegra/tegra234.c | 4 ++++
>>  1 file changed, 4 insertions(+)
> 
> Krzysztof,
> 
> this one has a build-time dependency on patch 1/2, so it'd make sense
> for me to pick this up into the Tegra tree along with patch 1/2. That
> is slightly easier because I already have a BPMP patch in the tree.

Sounds good.

Best regards,
Krzysztof