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From:   "Agarwal, Nikhil" <nikhil.agarwal@amd.com>
To:     Rob Herring <robh@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Gupta, Nipun" <Nipun.Gupta@amd.com>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 1/2] cdx: Enable COMPILE_TEST
Thread-Topic: [PATCH 1/2] cdx: Enable COMPILE_TEST
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Date:   Tue, 12 Dec 2023 04:40:29 +0000
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> -----Original Message-----
> From: Rob Herring <robh@kernel.org>
> Sent: Thursday, December 7, 2023 10:01 PM
> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>; Gupta, Nipun
> <Nipun.Gupta@amd.com>; Agarwal, Nikhil <nikhil.agarwal@amd.com>
> Cc: linux-kernel@vger.kernel.org
> Subject: [PATCH 1/2] cdx: Enable COMPILE_TEST
>=20
> There is no reason CDX needs to depend on ARM64 other than limiting
> visibility. So let's also enable building with COMPILE_TEST.
>=20
> The CONFIG_OF dependency is redundant as ARM64 always enables it and all
> the DT functions have empty stubs.
>=20
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
>  drivers/cdx/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>=20
> diff --git a/drivers/cdx/Kconfig b/drivers/cdx/Kconfig index
> a08958485e31..7cdb7c414453 100644
> --- a/drivers/cdx/Kconfig
> +++ b/drivers/cdx/Kconfig
> @@ -7,7 +7,7 @@
>=20
>  config CDX_BUS
>  	bool "CDX Bus driver"
> -	depends on OF && ARM64
> +	depends on ARM64 || COMPILE_TEST
Hi Rob,

There is a CDX MSI support patch
https://lore.kernel.org/lkml/20231116125609.245206-1-nipun.gupta@amd.com/ w=
hich is in
review and is dependent on ARM64( msi_alloc_info_t definition differs on x8=
6). So, the
COMPILE_TEST would break once the MSI changes are added.

Regards
Nikhil