net: pcs: Move XPCS into new PCS subdirectory

Create drivers/net/pcs and move the Synopsys DesignWare XPCS into the new directory. Move the header file into a subdirectory include/linux/pcs Start a naming convention of all PCS files use the prefix pcs-, and rename the XPCS files to fit. v2: Add include/linux/pcs Cc: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch>
lunn · Aug 17, 2020 · 3dfbdce73ff9dca5926ebcfef65be52abe390ef1 · 3dfbdce
1 parent 7fca4de
commit 3dfbdce73ff9dca5926ebcfef65be52abe390ef1
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Showing 11 changed files with 37 additions and 16 deletions.
diff --git a/MAINTAINERS b/MAINTAINERS
@@ -6504,6 +6504,7 @@ F:	Documentation/devicetree/bindings/net/ethernet-phy.yaml
 F:	Documentation/devicetree/bindings/net/mdio*
 F:	Documentation/devicetree/bindings/net/qca,ar803x.yaml
 F:	Documentation/networking/phy.rst
+F:	drivers/net/pcs/
 F:	drivers/net/phy/
 F:	drivers/of/of_mdio.c
 F:	drivers/of/of_net.c
@@ -16679,8 +16680,8 @@ SYNOPSYS DESIGNWARE ETHERNET XPCS DRIVER
 M:	Jose Abreu <Jose.Abreu@synopsys.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-F:	drivers/net/phy/mdio-xpcs.c
-F:	include/linux/mdio-xpcs.h
+F:	drivers/net/pcs/pcs-xpcs.c
+F:	include/linux/pcs/pcs-xpcs.h
 
 SYNOPSYS DESIGNWARE I2C DRIVER
 M:	Jarkko Nikula <jarkko.nikula@linux.intel.com>

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
@@ -473,6 +473,8 @@ config NET_SB1000
 
 source "drivers/net/phy/Kconfig"
 
+source "drivers/net/pcs/Kconfig"
+
 source "drivers/net/plip/Kconfig"
 
 source "drivers/net/ppp/Kconfig"

diff --git a/drivers/net/Makefile b/drivers/net/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_MDIO) += mdio.o
 obj-$(CONFIG_NET) += Space.o loopback.o
 obj-$(CONFIG_NETCONSOLE) += netconsole.o
 obj-y += phy/
+obj-y += pcs/
 obj-$(CONFIG_RIONET) += rionet.o
 obj-$(CONFIG_NET_TEAM) += team/
 obj-$(CONFIG_TUN) += tun.o

diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -3,7 +3,7 @@ config STMMAC_ETH
 	tristate "STMicroelectronics Multi-Gigabit Ethernet driver"
 	depends on HAS_IOMEM && HAS_DMA
 	select MII
-	select MDIO_XPCS
+	select PCS_XPCS
 	select PAGE_POOL
 	select PHYLINK
 	select CRC32

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -15,7 +15,7 @@
 #include <linux/netdevice.h>
 #include <linux/stmmac.h>
 #include <linux/phy.h>
-#include <linux/mdio-xpcs.h>
+#include <linux/pcs-xpcs.h>
 #include <linux/module.h>
 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 #define STMMAC_VLAN_TAG_USED

diff --git a/drivers/net/pcs/Kconfig b/drivers/net/pcs/Kconfig
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# PCS Layer Configuration
+#
+
+menuconfig PCS_DEVICE
+	tristate "PCS device drivers"
+	help
+	  PCS drivers, sitting between the MAC and the PHY
+
+if PCS_DEVICE
+
+config PCS_XPCS
+	tristate "Synopsys DesignWare XPCS controller"
+	select MDIO_BUS
+	help
+	  This module provides helper functions for Synopsys DesignWare XPCS
+	  controllers.
+
+endif
diff --git a/drivers/net/pcs/Makefile b/drivers/net/pcs/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for Linux PCS drivers
+
+obj-$(CONFIG_PCS_XPCS)		+= pcs-xpcs.o
diff --git a/drivers/net/phy/mdio-xpcs.c → drivers/net/pcs/pcs-xpcs.c b/drivers/net/phy/mdio-xpcs.c → drivers/net/pcs/pcs-xpcs.c
@@ -7,8 +7,8 @@
  */
 
 #include <linux/delay.h>
+#include <linux/pcs/pcs-xpcs.h>
 #include <linux/mdio.h>
-#include <linux/mdio-xpcs.h>
 #include <linux/phylink.h>
 #include <linux/workqueue.h>
 

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
@@ -234,12 +234,6 @@ config MDIO_XGENE
 	  This module provides a driver for the MDIO busses found in the
 	  APM X-Gene SoC's.
 
-config MDIO_XPCS
-	tristate "Synopsys DesignWare XPCS controller"
-	help
-	  This module provides helper functions for Synopsys DesignWare XPCS
-	  controllers.
-
 endif
 endif
 

diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
@@ -47,7 +47,6 @@ obj-$(CONFIG_MDIO_OCTEON)	+= mdio-octeon.o
 obj-$(CONFIG_MDIO_SUN4I)	+= mdio-sun4i.o
 obj-$(CONFIG_MDIO_THUNDER)	+= mdio-thunder.o
 obj-$(CONFIG_MDIO_XGENE)	+= mdio-xgene.o
-obj-$(CONFIG_MDIO_XPCS)		+= mdio-xpcs.o
 
 obj-$(CONFIG_NETWORK_PHY_TIMESTAMPING) += mii_timestamper.o
 

diff --git a/include/linux/mdio-xpcs.h → include/linux/pcs/pcs-xpcs.h b/include/linux/mdio-xpcs.h → include/linux/pcs/pcs-xpcs.h
@@ -4,8 +4,8 @@
  * Synopsys DesignWare XPCS helpers
  */
 
-#ifndef __LINUX_MDIO_XPCS_H
-#define __LINUX_MDIO_XPCS_H
+#ifndef __LINUX_PCS_XPCS_H
+#define __LINUX_PCS_XPCS_H
 
 #include <linux/phy.h>
 #include <linux/phylink.h>
@@ -29,7 +29,7 @@ struct mdio_xpcs_ops {
 	int (*probe)(struct mdio_xpcs_args *xpcs, phy_interface_t interface);
 };
 
-#if IS_ENABLED(CONFIG_MDIO_XPCS)
+#if IS_ENABLED(CONFIG_PCS_XPCS)
 struct mdio_xpcs_ops *mdio_xpcs_get_ops(void);
 #else
 static inline struct mdio_xpcs_ops *mdio_xpcs_get_ops(void)
@@ -38,4 +38,4 @@ static inline struct mdio_xpcs_ops *mdio_xpcs_get_ops(void)
 }
 #endif
 
-#endif /* __LINUX_MDIO_XPCS_H */
+#endif /* __LINUX_PCS_XPCS_H */