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From: Simon Glass <sjg@chromium.org>
To: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: xypron.glpk@gmx.de, agraf@csgraf.de, ilias.apalodimas@linaro.org,
	 masami.hiramatsu@linaro.org, u-boot@lists.denx.de
Subject: Re: [RFC v2 10/20] virtio: call device_probe() in scanning
Date: Mon, 13 Dec 2021 05:51:44 -0700	[thread overview]
Message-ID: <CAPnjgZ0M9Yve+szSS9WSxEGdcr9KcRMXJi8mYVMvA6NnAhnTTg@mail.gmail.com> (raw)
In-Reply-To: <20211210064947.73361-11-takahiro.akashi@linaro.org>

On Fri, 10 Dec 2021 at 00:00, AKASHI Takahiro
<takahiro.akashi@linaro.org> wrote:
>
> virtio_init() enumerates all the peripherals that are to be materialised
> with udevices(UCLASS_VIRIO) and creates particular device instances
> (UCLASS_BlK or whatever else) as children.
> On the other hand, device_probe() won't be invoked against those resultant
> udevices unlike other ordinary device drivers do in the driver model.
>
> This is particularly incovenient when we want to add "event notification"
> callback so that we will be able to automatically create all efi_disk
> objects in a later patch.
>
> With this patch applied, "virtio scan" will work in a similar way
> to "scsi rescan", "usb start" or others in term of 'probe' semantics.
>
> I didn't add this change to virtio_init() itself because this function
> may be called in board_init_r() (indrectly in board_late_init())
> before UEFI subsustem is initialized.
>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
> ---
>  cmd/virtio.c | 21 +++++++++++++++++++--
>  1 file changed, 19 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>

  reply	other threads:[~2021-12-13 12:52 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-10  6:49 [RFC v2 00/20] efi_loader: more tightly integrate UEFI disks to driver model AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 01/20] part: call part_init() in blk_get_device_by_str() only for MMC AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 02/20] blk: add a helper function, blk_probe_or_unbind() AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2021-12-14  7:01     ` AKASHI Takahiro
2021-12-18 10:55       ` Heinrich Schuchardt
2021-12-20  5:19         ` AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 03/20] scsi: call device_probe() after scanning AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 04/20] usb: storage: " AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 05/20] mmc: " AKASHI Takahiro
2021-12-18  9:48   ` Heinrich Schuchardt
2021-12-18 10:03     ` Heinrich Schuchardt
2022-01-02  9:47   ` Heinrich Schuchardt
2022-01-03 10:09   ` Jaehoon Chung
2021-12-10  6:49 ` [RFC v2 06/20] nvme: " AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 07/20] sata: " AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2021-12-10  6:49 ` [RFC v2 08/20] block: ide: " AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 09/20] dm: fix an 'undefined' error in some macros AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2022-01-07 12:38     ` Ilias Apalodimas
2021-12-10  6:49 ` [RFC v2 10/20] virtio: call device_probe() in scanning AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass [this message]
2021-12-10  6:49 ` [RFC v2 11/20] dm: add event notification AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2021-12-14  7:07     ` AKASHI Takahiro
2021-12-19 22:17       ` Simon Glass
2022-01-02  9:41   ` Heinrich Schuchardt
2021-12-10  6:49 ` [RFC v2 12/20] dm: add tag support AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2021-12-14  7:05     ` AKASHI Takahiro
2021-12-28  8:32       ` Simon Glass
2021-12-10  6:49 ` [RFC v2 13/20] dm: disk: add UCLASS_PARTITION AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 14/20] dm: blk: add a device-probe hook for scanning disk partitions AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2021-12-10  6:49 ` [RFC v2 15/20] efi_loader: disk: a helper function to create efi_disk objects from udevice AKASHI Takahiro
2022-01-02  9:18   ` Heinrich Schuchardt
2022-01-06  7:16     ` AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 16/20] efi_loader: disk: a helper function to delete efi_disk objects AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 17/20] dm: disk: add read/write interfaces with udevice AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 18/20] efi_loader: disk: use udevice instead of blk_desc AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2021-12-10  6:49 ` [RFC v2 19/20] efi_loader: disk: not create BLK device for BLK(IF_TYPE_EFI) devices AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2022-01-02  9:19   ` Heinrich Schuchardt
2022-01-06  6:59     ` AKASHI Takahiro
2021-12-10  6:49 ` [RFC v2 20/20] efi_driver: align with efi_disk-dm integration AKASHI Takahiro
2021-12-13 12:51   ` Simon Glass
2022-01-27 15:05 ` [RFC v2 00/20] efi_loader: more tightly integrate UEFI disks to driver model Simon Glass
2022-01-28  5:01   ` AKASHI Takahiro
2022-01-28 12:32     ` AKASHI Takahiro

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