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Message-ID: <zfkhbjm6wrmcocqcvluov3nbrpb2ozbo52c6nlwxro44gublcw@5645ksz4cfm2>
Date: Fri, 22 Nov 2024 00:10:36 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>
Cc: Vinod Koul <vkoul@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
Sumit Semwal <sumit.semwal@...aro.org>, Christian König <christian.koenig@....com>,
linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-i2c@...r.kernel.org, linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linaro-mm-sig@...ts.linaro.org, quic_msavaliy@...cinc.com, quic_vtanuku@...cinc.com
Subject: Re: [PATCH v3 3/3] i2c: i2c-qcom-geni: Update compile dependenices
for I2C GENI driver
On Thu, Nov 21, 2024 at 06:31:34PM +0530, Jyothi Kumar Seerapu wrote:
> I2C functionality has dependencies on the GPI driver.
> Ensure that the GPI driver is enabled when using the I2C
> driver functionality.
> Therefore, update the I2C GENI driver to depend on the GPI driver.
>
> Signed-off-by: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>
> ---
> v2 -> v3:
> - Moved this change to patch3.
> - Updated commit description.
>
> v1 -> v2:
> - This patch is added in v2 to address the kernel test robot
> reported compilation error.
> ERROR: modpost: "gpi_multi_desc_process" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
>
> drivers/i2c/busses/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
> index 0aa948014008..87634a682855 100644
> --- a/drivers/i2c/busses/Kconfig
> +++ b/drivers/i2c/busses/Kconfig
> @@ -1049,6 +1049,7 @@ config I2C_QCOM_GENI
> tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
> depends on ARCH_QCOM || COMPILE_TEST
> depends on QCOM_GENI_SE
> + depends on QCOM_GPI_DMA
So... without this change the previous patch is broken, which is a
no-go. And anyway, adding dependency onto a particular DMA driver is a
bad idea. Please make use of the DMA API instead.
> help
> This driver supports GENI serial engine based I2C controller in
> master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
> --
> 2.17.1
>
--
With best wishes
Dmitry
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