From: Ling Xu <quic_lxu5@quicinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: <cros-qcom-dts-watchers@chromium.org>, <andersson@kernel.org>,
<konradybcio@kernel.org>, <robh@kernel.org>, <krzk+dt@kernel.org>,
<conor+dt@kernel.org>, <linux-arm-msm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<ekansh.gupta@oss.qualcomm.com>
Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: sc7280: Add dma-coherent property for fastrpc nodes
Date: Tue, 20 May 2025 14:47:45 +0800 [thread overview]
Message-ID: <70ffec25-17c9-4424-9d0b-da6560f7160d@quicinc.com> (raw)
In-Reply-To: <isvo4c2taozzlovqwqvgfu2v2tbvntkaw4bdpzmiuir64avojl@3utwffmzmhq4>
在 5/17/2025 5:48 AM, Dmitry Baryshkov 写道:
> On Fri, May 16, 2025 at 04:30:29PM +0530, Ling Xu wrote:
>> Add dma-cherent property to fastrpc context bank nodes to ensure that
>> the DMA operations for these nodes are coherent.
>
> Does it apply to all firmware versions?
No, it's not applicable for all the firmwares, especifically for older one.
This is only applicable where IO coherency is enabled.
>>
>> Signed-off-by: Ling Xu <quic_lxu5@quicinc.com>
>> ---
>> arch/arm64/boot/dts/qcom/sc7280.dtsi | 15 +++++++++++++++
>> 1 file changed, 15 insertions(+)
>>
>
--
Thx and BRs,
Ling Xu
next prev parent reply other threads:[~2025-05-20 6:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-16 11:00 [PATCH v2 0/3] arm64: dts: qcom: sc7280: Add property for sc7280 Ling Xu
2025-05-16 11:00 ` [PATCH v2 1/3] arm64: dts: qcom: sc7280: Add memory region for audiopd Ling Xu
2025-05-16 21:47 ` Dmitry Baryshkov
2025-05-20 6:41 ` Ling Xu
2025-05-20 13:53 ` Dmitry Baryshkov
2025-05-22 10:44 ` Ling Xu
2025-05-22 12:16 ` Dmitry Baryshkov
2025-05-22 18:27 ` Konrad Dybcio
2025-05-22 18:51 ` Dmitry Baryshkov
2025-05-22 18:59 ` Konrad Dybcio
2025-06-27 12:16 ` Srinivas Kandagatla
2025-06-27 12:33 ` Dmitry Baryshkov
2025-05-16 11:00 ` [PATCH v2 2/3] arm64: dts: qcom: sc7280: Add nsessions property for adsp Ling Xu
2025-05-16 11:00 ` [PATCH v2 3/3] arm64: dts: qcom: sc7280: Add dma-coherent property for fastrpc nodes Ling Xu
2025-05-16 21:48 ` Dmitry Baryshkov
2025-05-20 6:47 ` Ling Xu [this message]
2025-05-20 13:54 ` Dmitry Baryshkov
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