On 4/5/19 2:55 PM, Jean-Jacques Hiblot wrote:
> This uclass is intended for devices that do not need any features from the
> uclass, including binding children.
> This will typically be used by devices that are used to bind child devices
> but do not use dm_scan_fdt_dev() to do it. That is for example the case of
> several USB wrappers that have 2 child devices (1 for device and 1 for
> host) but bind only one at a any given time.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
Could this be UCLASS_BUS or some sort of simple bus ?
Anyway, +CC Simon.
> ---
>
> drivers/core/uclass.c | 5 +++++
> include/dm/uclass-id.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
> index fc3157de39..dc9eb62893 100644
> --- a/drivers/core/uclass.c
> +++ b/drivers/core/uclass.c
> @@ -757,3 +757,8 @@ int uclass_pre_remove_device(struct udevice *dev)
> return 0;
> }
> #endif
> +
> +UCLASS_DRIVER(nop) = {
> + .id = UCLASS_NOP,
> + .name = "nop",
> +};
> diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
> index 86e59781b0..3797cd48f6 100644
> --- a/include/dm/uclass-id.h
> +++ b/include/dm/uclass-id.h
> @@ -61,6 +61,7 @@ enum uclass_id {
> UCLASS_MMC, /* SD / MMC card or chip */
> UCLASS_MOD_EXP, /* RSA Mod Exp device */
> UCLASS_MTD, /* Memory Technology Device (MTD) device */
> + UCLASS_NOP, /* No-op devices */
> UCLASS_NORTHBRIDGE, /* Intel Northbridge / SDRAM controller */
> UCLASS_NVME, /* NVM Express device */
> UCLASS_PANEL, /* Display panel, such as an LCD */
>
--
Best regards,
Marek Vasut
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