linux-kernel - Re: [PATCH] arm64: defconfig: Enable Qualcomm GPI DMA Driver

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Message-ID: <YhcJHGsdY/XQPOt8@matsya>
Date:   Thu, 24 Feb 2022 09:57:08 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: defconfig: Enable Qualcomm GPI DMA Driver

On 23-02-22, 21:28, Bjorn Andersson wrote:
> On Mon 21 Feb 22:24 CST 2022, Vinod Koul wrote:
> 
> > Qualcomm GPI DMA Driver is used for DMA transfers for Serial engines
> > like Geni I2C and SPI.
> > 
> > Enable this dma driver
> > 
> 
> Can you please include a motivation in the commit message why this has
> to be builtin?

Sure, traditionally DMAengine drivers are always initialized early on (typically most
of the drivers are arch init level) so that it is available to users
early on as well..

Current config has many dmaengine drivers as inbuilt...

Will add more details and send

> 
> Thanks,
> Bjorn
> 
> > Signed-off-by: Vinod Koul <vkoul@...nel.org>
> > ---
> >  arch/arm64/configs/defconfig | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index 30516dc0b70e..d73913f082d7 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -948,6 +948,7 @@ CONFIG_PL330_DMA=y
> >  CONFIG_TEGRA20_APB_DMA=y
> >  CONFIG_TEGRA210_ADMA=m
> >  CONFIG_QCOM_BAM_DMA=y
> > +CONFIG_QCOM_GPI_DMA=y
> >  CONFIG_QCOM_HIDMA_MGMT=y
> >  CONFIG_QCOM_HIDMA=y
> >  CONFIG_RCAR_DMAC=y
> > -- 
> > 2.34.1
> > 

-- 
~Vinod