From: Vinod Koul <vkoul@kernel.org>
To: Konrad Dybcio <konrad.dybcio@somainline.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Mark Brown <broonie@kernel.org>, Wolfram Sang <wsa@kernel.org>,
linux-arm-msm@vger.kernel.org, Andy Gross <agross@kernel.org>,
Matthias Kaehlcke <mka@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
Sumit Semwal <sumit.semwal@linaro.org>,
Amit Pundir <amit.pundir@linaro.org>,
linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 7/7] arm64: dts: qcom: sdm845: enable dma for spi
Date: Mon, 11 Jan 2021 23:16:49 +0530 [thread overview]
Message-ID: <20210111174649.GC2771@vkoul-mobl> (raw)
In-Reply-To: <6cc90f43-f2c8-85f7-3d1c-f96468aab196@somainline.org>
Hi Konrad,
On 11-01-21, 17:04, Konrad Dybcio wrote:
> Hi,
>
> looks like sdm845-cheza also uses the spi0 bus, which as far as I
> understand is going to break with the GPI DMA disabled. Perhaps it
> should also be enabled over there?
If it is working without GPI enabled, it would work.. GPI for QUP is
something that requires firmware and would have to be enabled by
firmware
> Actually, is there a point in disabling DMA for BLSPs/QUPs in the SoC
> DTSI? I don't think any platform/vendor firmware disables entire
> hosts..
Since DMA support may not be available on certain targets (firmware
support), so enabling per board would make sense
Thanks
--
~Vinod
next prev parent reply other threads:[~2021-01-11 17:47 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 15:16 [PATCH 0/7] Add and enable GPI DMA users Vinod Koul
2021-01-11 15:16 ` [PATCH 1/7] soc: qcom: geni: move GENI_IF_DISABLE_RO to common header Vinod Koul
2021-01-11 15:31 ` Bjorn Andersson
2021-01-11 15:16 ` [PATCH 2/7] soc: qcom: geni: move struct geni_wrapper to header Vinod Koul
2021-01-11 15:34 ` Bjorn Andersson
2021-01-11 17:43 ` Vinod Koul
2021-01-11 18:51 ` Bjorn Andersson
2021-01-11 15:16 ` [PATCH 3/7] soc: qcom: geni: Add support for gpi dma Vinod Koul
2021-01-11 15:40 ` Bjorn Andersson
2021-01-11 17:22 ` Vinod Koul
2021-01-13 0:01 ` Doug Anderson
2021-01-13 3:22 ` Vinod Koul
2021-01-11 15:16 ` [PATCH 4/7] spi: spi-geni-qcom: Add support for GPI dma Vinod Koul
2021-01-11 16:35 ` Mark Brown
2021-06-16 8:50 ` Vinod Koul
2021-06-16 11:35 ` Mark Brown
2021-06-16 12:02 ` Vinod Koul
2021-06-17 6:20 ` Vinod Koul
2021-01-11 17:19 ` Bjorn Andersson
2021-01-12 7:31 ` Lukas Wunner
2021-01-13 0:01 ` Doug Anderson
2021-01-13 3:24 ` Vinod Koul
2021-02-04 21:34 ` Dmitry Baryshkov
2021-01-11 15:16 ` [PATCH 5/7] i2c: qcom-geni: Add support for GPI DMA Vinod Koul
2021-01-11 18:14 ` Bjorn Andersson
2021-01-12 5:50 ` Vinod Koul
2021-01-11 15:16 ` [PATCH 6/7] arm64: dts: qcom: sdm845: Add gpi dma node Vinod Koul
2021-01-11 18:23 ` Bjorn Andersson
2021-01-12 4:21 ` Vinod Koul
2021-01-11 15:16 ` [PATCH 7/7] arm64: dts: qcom: sdm845: enable dma for spi Vinod Koul
2021-01-11 16:04 ` Konrad Dybcio
2021-01-11 17:46 ` Vinod Koul [this message]
2021-01-11 20:45 ` Konrad Dybcio
2021-01-12 4:19 ` Vinod Koul
2021-01-11 16:47 ` Doug Anderson
2021-01-11 17:56 ` Vinod Koul
2021-01-13 0:01 ` [PATCH 0/7] Add and enable GPI DMA users Doug Anderson
2021-01-13 3:03 ` Vinod Koul
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