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-rw-r--r--drivers/soc/qcom/rpmh-rsc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index 098feb928576..8e297759c162 100644
--- a/drivers/soc/qcom/rpmh-rsc.c
+++ b/drivers/soc/qcom/rpmh-rsc.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <soc/qcom/cmd-db.h>
#include <soc/qcom/tcs.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>
@@ -621,6 +622,18 @@ static int rpmh_rsc_probe(struct platform_device *pdev)
struct rsc_drv *drv;
int ret, irq;
+ /*
+ * Even though RPMh doesn't directly use cmd-db, all of its children
+ * do. To avoid adding this check to our children we'll do it now.
+ */
+ ret = cmd_db_ready();
+ if (ret) {
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Command DB not available (%d)\n",
+ ret);
+ return ret;
+ }
+
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
if (!drv)
return -ENOMEM;