[PATCH v2 02/14] qemu: arm: Initialise virtio in board_late_init

[Heinrich Schuchardt]

On 12/21/20 12:43 PM, Sughosh Ganu wrote:
> On the qemu arm platform, the virtio devices are initialised in
> board_init, which gets called before the initr_pci. With this, the
> virtio block devices on the pci bus are not initialised. Move the
> initialisation of virtio devices to board_late_init which gets called
> after the call to initr_pci.
>
> Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>

With which commands can I see the difference before and after the patch?

Best regards

Heinrich

> ---
>
> Changes since V1:
> * The earlier patch was adding a call to pci_init in board_init. Moved
>    the virtio_init call to board_late_init
>
>   board/emulation/qemu-arm/qemu-arm.c | 5 +++++
>   configs/qemu_arm64_defconfig        | 1 +
>   2 files changed, 6 insertions(+)
>
> diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c
> index f18f2ed7da..aa68bef469 100644
> --- a/board/emulation/qemu-arm/qemu-arm.c
> +++ b/board/emulation/qemu-arm/qemu-arm.c
> @@ -64,6 +64,11 @@ struct mm_region *mem_map = qemu_arm64_mem_map;
>   #endif
>
>   int board_init(void)
> +{
> +	return 0;
> +}
> +
> +int board_late_init(void)
>   {
>   	/*
>   	 * Make sure virtio bus is enumerated so that peripherals
> diff --git a/configs/qemu_arm64_defconfig b/configs/qemu_arm64_defconfig
> index f6e586627a..5c855fa08c 100644
> --- a/configs/qemu_arm64_defconfig
> +++ b/configs/qemu_arm64_defconfig
> @@ -14,6 +14,7 @@ CONFIG_LEGACY_IMAGE_FORMAT=y
>   CONFIG_USE_PREBOOT=y
>   # CONFIG_DISPLAY_CPUINFO is not set
>   # CONFIG_DISPLAY_BOARDINFO is not set
> +CONFIG_BOARD_LATE_INIT=y
>   CONFIG_PCI_INIT_R=y
>   CONFIG_CMD_BOOTEFI_SELFTEST=y
>   CONFIG_CMD_NVEDIT_EFI=y
>