[PATCH 1/2] mailbox: apple: Implement flush() operation

[Sven Peter]

On Mon, Sep 5, 2022, at 18:48, Russell King wrote:
> From: Hector Martin <marcan at marcan.st>
>
> This allows clients to use the atomic-safe mailbox API style.
>
> Signed-off-by: Hector Martin <marcan at marcan.st>
> Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
> ---

Reviewed-by: Sven Peter <sven at svenpeter.dev>