soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components

We need the signal from wcnss_ctrl indicating that the firmware is up
and running before we can communicate with the other components of the
chip. So make these other components children of the wcnss_ctrl device,
so they can be probed in order.

The process seems to take between 1/2-5 seconds, so this is done in a
worker, instead of holding up the probe.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

include/linux/soc/qcom/wcnss_ctrl.h

@@ -0,0 +1,8 @@
+#ifndef __WCNSS_CTRL_H__
+#define __WCNSS_CTRL_H__
+
+#include <linux/soc/qcom/smd.h>
+
+struct qcom_smd_channel *qcom_wcnss_open_channel(void *wcnss, const char *name, qcom_smd_cb_t cb);
+
+#endif