This allows clients running in atomic context to poll for messages to
arrive.
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This allows clients to use the atomic-safe mailbox API style.
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
As with other blocks, we intend to have drivers bind to generic
compatibles as long as there are no SoC-specific quirks. This allows
forward-compatibility with future SoCs.
No upstream DTs instantiate this yet, so it's still safe to make this
breaking change.
Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Apple SoCs such as the M1 come with various co-processors. Mailboxes
are used to communicate with those. This driver adds support for
two variants of those mailboxes.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
