[PATCH v6 2/5] net: atheros: Add a check for OF_CONTROL

[Simon Glass]

This phy cannot be used when OF_CONTROL is not enabled. A few boards
expect it to build, though, so add a runtime check for this case.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v6:
- Add new patch for atheros

 drivers/net/phy/atheros.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c
index f922fecd6b5..cc772f3060f 100644
--- a/drivers/net/phy/atheros.c
+++ b/drivers/net/phy/atheros.c
@@ -7,6 +7,7 @@
  * Copyright (c) 2019 Michael Walle <michael at walle.cc>
  */
 #include <common.h>
+#include <log.h>
 #include <phy.h>
 #include <dm/device_compat.h>
 #include <linux/bitfield.h>
@@ -197,6 +198,16 @@ static int ar803x_of_init(struct phy_device *phydev)
 	u32 strength, freq, min_uV, max_uV;
 	int sel;
 
+	/*
+	 * This driver requires OF_CONTROL but this is included on some boards
+	 * that don't support it in SPL. Return an error so the board vendor
+	 * can resolve this.
+	 */
+	if (!CONFIG_IS_ENABLED(OF_CONTROL)) {
+		log_err("atheros driver requires OF_CONTROL enabled");
+		return -ENOSYS;
+	}
+
 	node = phy_get_ofnode(phydev);
 	if (!ofnode_valid(node))
 		return -EINVAL;
-- 
2.32.0.432.gabb21c7263-goog