linux-kernel - Re: [PATCH] arm64: defconfig: enable Qualcomm PCIe modem drivers

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Message-ID: <CAGRyCJHcbc3kad=8ugpo+hF9TGQZv2akzrYXa175HwCM7kVb9w@mail.gmail.com>
Date:   Sun, 15 Jan 2023 13:11:08 +0100
From:   Daniele Palmas <dnlplm@...il.com>
To:     Johan Hovold <johan+linaro@...nel.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: defconfig: enable Qualcomm PCIe modem drivers

Hello Johan,

Il giorno sab 14 gen 2023 alle ore 17:23 Johan Hovold
<johan+linaro@...nel.org> ha scritto:
>
> Enable the MHI PCI controller driver and MHI WWAN drivers for Qualcomm
> based PCIe modems such as the ones found on the SC8280XP Compute
> Reference Design (CRD) and Lenovo Thinkpad X13s.
>
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>
> Bjorn,
>
> Perhaps you can take this through your tree?
>
> Johan
>
>
>  arch/arm64/configs/defconfig | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 86aa3730a8b6..117b49f3f1c1 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -250,6 +250,7 @@ CONFIG_DEVTMPFS_MOUNT=y
>  CONFIG_FW_LOADER_USER_HELPER=y
>  CONFIG_HISILICON_LPC=y
>  CONFIG_TEGRA_ACONNECT=m
> +CONFIG_MHI_BUS_PCI_GENERIC=m
>  CONFIG_ARM_SCMI_PROTOCOL=y
>  CONFIG_ARM_SCPI_PROTOCOL=y
>  CONFIG_RASPBERRYPI_FIRMWARE=y
> @@ -405,6 +406,9 @@ CONFIG_MWIFIEX_SDIO=m
>  CONFIG_MWIFIEX_PCIE=m
>  CONFIG_WL18XX=m
>  CONFIG_WLCORE_SDIO=m
> +CONFIG_WWAN=m
> +CONFIG_MHI_WWAN_CTRL=m
> +CONFIG_MHI_WWAN_MBIM=m

wondering if it could make sense to also enable CONFIG_MHI_NET, since
in mhi_pci_generic there are also modems bound to that driver and, if
not enabled, those would show just the control device, but not the
netdevice.

Regards,
Daniele

>  CONFIG_INPUT_EVDEV=y
>  CONFIG_KEYBOARD_ADC=m
>  CONFIG_KEYBOARD_GPIO=y
> --
> 2.38.2
>