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;
}
--
2.17.1
