Re: [PATCH v9 01/13] dmaengine: fsl-edma: fix build error when arch is s390

From: Vinod Koul
Date: Fri Jul 07 2023 - 01:38:01 EST


On 20-06-23, 16:12, Frank Li wrote:
> fixed build error reported by kernel test robot.
>
> >> s390-linux-ld: fsl-edma-main.c:(.text+0xf4c): undefined reference to `devm_platform_ioremap_resource'
> s390-linux-ld: drivers/dma/idma64.o: in function `idma64_platform_probe':
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202306210131.zaHVasxz-lkp@xxxxxxxxx/
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> drivers/dma/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index 644c188d6a11..c1065c444cde 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -210,7 +210,7 @@ config FSL_DMA
>
> config FSL_EDMA
> tristate "Freescale eDMA engine support"
> - depends on OF
> + depends on ARCH_NXP

That is not really a fix! you are masking this by making the driver
build only on NXP

I think better fix is to depend on HAS_IOMEM

> select DMA_ENGINE
> select DMA_VIRTUAL_CHANNELS
> help
> --
> 2.34.1

--
~Vinod