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authorCalvin Johnson <calvin.johnson@oss.nxp.com>2021-06-11 13:53:57 +0300
committerDavid S. Miller <davem@davemloft.net>2021-06-11 13:08:53 -0700
commit803ca24d2f92e2cf393df4705423f7b09a5eabd9 (patch)
treee423fe2e3e00812975842ce8923c3c4c7e5bbcf2 /include
parent7ec16433cf1e97cfc823e50e9ee4e2fd3abfc4ee (diff)
downloadlinux-803ca24d2f92e2cf393df4705423f7b09a5eabd9.tar.bz2
net: mdio: Add ACPI support code for mdio
Define acpi_mdiobus_register() to Register mii_bus and create PHYs for each ACPI child node. Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Acked-by: Rafael J. Wysocki <rafael@kernel.org> Acked-by: Grant Likely <grant.likely@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/acpi_mdio.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/acpi_mdio.h b/include/linux/acpi_mdio.h
new file mode 100644
index 000000000000..0a24ab7cb66f
--- /dev/null
+++ b/include/linux/acpi_mdio.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ACPI helper for the MDIO (Ethernet PHY) API
+ */
+
+#ifndef __LINUX_ACPI_MDIO_H
+#define __LINUX_ACPI_MDIO_H
+
+#include <linux/phy.h>
+
+#if IS_ENABLED(CONFIG_ACPI_MDIO)
+int acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode);
+#else /* CONFIG_ACPI_MDIO */
+static inline int
+acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode)
+{
+ /*
+ * Fall back to mdiobus_register() function to register a bus.
+ * This way, we don't have to keep compat bits around in drivers.
+ */
+
+ return mdiobus_register(mdio);
+}
+#endif
+
+#endif /* __LINUX_ACPI_MDIO_H */