Re: [PATCH] powerpc/44x: Make AKEBONO depends on NET

From: Michael Ellerman
Date: Mon Mar 30 2020 - 20:58:24 EST


YueHaibing <yuehaibing@xxxxxxxxxx> writes:
> Fix Kconfig warnings:
>
> WARNING: unmet direct dependencies detected for NETDEVICES
> Depends on [n]: NET [=n]
> Selected by [y]:
> - AKEBONO [=y] && PPC_47x [=y]
>
> WARNING: unmet direct dependencies detected for ETHERNET
> Depends on [n]: NETDEVICES [=y] && NET [=n]
> Selected by [y]:
> - AKEBONO [=y] && PPC_47x [=y]
>
> AKEBONO select NETDEVICES and ETHERNET unconditionally,

It shouldn't do that, that's the job of a defconfig.

It might want to enable NET_VENDOR_IBM iff the config already has NET
and other dependencies enabled.

So the patch below might work?

cheers

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 25ebe634a661..32aac4f40f1b 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -207,9 +207,7 @@ config AKEBONO
select PPC4xx_HSTA_MSI
select I2C
select I2C_IBM_IIC
- select NETDEVICES
- select ETHERNET
- select NET_VENDOR_IBM
+ imply NET_VENDOR_IBM
select IBM_EMAC_EMAC4 if IBM_EMAC
select USB if USB_SUPPORT
select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD



> If NET is not set, build fails. Add this dependcy to fix this.
>
> Fixes: 2a2c74b2efcb ("IBM Akebono: Add the Akebono platform")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> arch/powerpc/platforms/44x/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
> index 25ebe634a661..394f662d7df2 100644
> --- a/arch/powerpc/platforms/44x/Kconfig
> +++ b/arch/powerpc/platforms/44x/Kconfig
> @@ -199,6 +199,7 @@ config FSP2
> config AKEBONO
> bool "IBM Akebono (476gtr) Support"
> depends on PPC_47x
> + depends on NET
> select SWIOTLB
> select 476FPE
> select PPC4xx_PCI_EXPRESS
> --
> 2.17.1