> Subject: [PATCH 3/4] firmware: arm_scmi: Check shmem property for channel
> availablity
>
> Instead of declaring the channel availabilty unconditionally, let us check for
> the presence of "shmem" property and return the channel availablity
> accordingly.
>
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> ---
> drivers/firmware/arm_scmi/smc.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/firmware/arm_scmi/smc.c
> b/drivers/firmware/arm_scmi/smc.c index dd4b54c29679..5929c668dc1d
> 100644
> --- a/drivers/firmware/arm_scmi/smc.c
> +++ b/drivers/firmware/arm_scmi/smc.c
> @@ -33,6 +33,11 @@ struct scmi_smc {
>
> static bool smc_chan_available(struct device *dev, int idx) {
> + struct device_node *np = of_parse_phandle(dev->of_node, "shmem", 0);
> + if (!np)
> + return false;
> +
> + of_node_put(np);
> return true;
> }
This is global shared mem:)
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
>
> --
> 2.17.1
