staging/octeon: Allow test build on !MIPS

Add compile test support by moving all includes of files under
asm/octeon into octeon-ethernet.h, and if we're not on MIPS,
stub out all the calls into the octeon support code in octeon-stubs.h

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/staging/octeon/Kconfig

 # SPDX-License-Identifier: GPL-2.0
 config OCTEON_ETHERNET
 	tristate "Cavium Networks Octeon Ethernet support"
-	depends on CAVIUM_OCTEON_SOC && NETDEVICES
+	depends on CAVIUM_OCTEON_SOC && NETDEVICES || COMPILE_TEST
 	select PHYLIB
 	select MDIO_OCTEON
 	help

drivers/staging/octeon/ethernet-defines.h

@@ -21,8 +21,6 @@
 #ifndef __ETHERNET_DEFINES_H__
 #define __ETHERNET_DEFINES_H__
 
-#include <asm/octeon/cvmx-config.h>
-
 #ifdef CONFIG_NETFILTER
 #define REUSE_SKBUFFS_WITHOUT_FREE  0
 #else

drivers/staging/octeon/ethernet-mdio.c

@@ -13,15 +13,11 @@
 #include <generated/utsrelease.h>
 #include <net/dst.h>
 
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
 #include "octeon-ethernet.h"
+#include "ethernet-defines.h"
 #include "ethernet-mdio.h"
 #include "ethernet-util.h"
 
-#include <asm/octeon/cvmx-gmxx-defs.h>
-
 static void cvm_oct_get_drvinfo(struct net_device *dev,
 				struct ethtool_drvinfo *info)
 {

drivers/staging/octeon/ethernet-mem.c

@@ -9,13 +9,10 @@
 #include <linux/netdevice.h>
 #include <linux/slab.h>
 
-#include <asm/octeon/octeon.h>
-
+#include "octeon-ethernet.h"
 #include "ethernet-mem.h"
 #include "ethernet-defines.h"
 
-#include <asm/octeon/cvmx-fpa.h>
-
 /**
  * cvm_oct_fill_hw_skbuff - fill the supplied hardware pool with skbuffs
  * @pool:     Pool to allocate an skbuff for

drivers/staging/octeon/ethernet-rgmii.c

@@ -12,19 +12,11 @@
 #include <linux/ratelimit.h>
 #include <net/dst.h>
 
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
 #include "octeon-ethernet.h"
+#include "ethernet-defines.h"
 #include "ethernet-util.h"
 #include "ethernet-mdio.h"
 
-#include <asm/octeon/cvmx-helper.h>
-
-#include <asm/octeon/cvmx-ipd-defs.h>
-#include <asm/octeon/cvmx-npi-defs.h>
-#include <asm/octeon/cvmx-gmxx-defs.h>
-
 static DEFINE_SPINLOCK(global_register_lock);
 
 static void cvm_oct_set_hw_preamble(struct octeon_ethernet *priv, bool enable)

drivers/staging/octeon/ethernet-rx.c

@@ -23,23 +23,12 @@
 #include <net/xfrm.h>
 #endif /* CONFIG_XFRM */
 
-#include <asm/octeon/octeon.h>
-
+#include "octeon-ethernet.h"
 #include "ethernet-defines.h"
 #include "ethernet-mem.h"
 #include "ethernet-rx.h"
-#include "octeon-ethernet.h"
 #include "ethernet-util.h"
 
-#include <asm/octeon/cvmx-helper.h>
-#include <asm/octeon/cvmx-wqe.h>
-#include <asm/octeon/cvmx-fau.h>
-#include <asm/octeon/cvmx-pow.h>
-#include <asm/octeon/cvmx-pip.h>
-#include <asm/octeon/cvmx-scratch.h>
-
-#include <asm/octeon/cvmx-gmxx-defs.h>
-
 static atomic_t oct_rx_ready = ATOMIC_INIT(0);
 
 static struct oct_rx_group {

drivers/staging/octeon/ethernet-rx.h

@@ -5,8 +5,6 @@
  * Copyright (c) 2003-2007 Cavium Networks
  */
 
-#include <asm/octeon/cvmx-fau.h>
-
 void cvm_oct_poll_controller(struct net_device *dev);
 void cvm_oct_rx_initialize(void);
 void cvm_oct_rx_shutdown(void);

drivers/staging/octeon/ethernet-sgmii.c

@@ -11,17 +11,11 @@
 #include <linux/ratelimit.h>
 #include <net/dst.h>
 
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
 #include "octeon-ethernet.h"
+#include "ethernet-defines.h"
 #include "ethernet-util.h"
 #include "ethernet-mdio.h"
 
-#include <asm/octeon/cvmx-helper.h>
-
-#include <asm/octeon/cvmx-gmxx-defs.h>
-
 int cvm_oct_sgmii_open(struct net_device *dev)
 {
 	return cvm_oct_common_open(dev, cvm_oct_link_poll);

drivers/staging/octeon/ethernet-spi.c

@@ -10,18 +10,10 @@
 #include <linux/interrupt.h>
 #include <net/dst.h>
 
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
 #include "octeon-ethernet.h"
+#include "ethernet-defines.h"
 #include "ethernet-util.h"
 
-#include <asm/octeon/cvmx-spi.h>
-
-#include <asm/octeon/cvmx-npi-defs.h>
-#include <asm/octeon/cvmx-spxx-defs.h>
-#include <asm/octeon/cvmx-stxx-defs.h>
-
 static int number_spi_ports;
 static int need_retrain[2] = { 0, 0 };
 

drivers/staging/octeon/ethernet-tx.c

@@ -22,21 +22,11 @@
 #include <linux/atomic.h>
 #include <net/sch_generic.h>
 
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
 #include "octeon-ethernet.h"
+#include "ethernet-defines.h"
 #include "ethernet-tx.h"
 #include "ethernet-util.h"
 
-#include <asm/octeon/cvmx-wqe.h>
-#include <asm/octeon/cvmx-fau.h>
-#include <asm/octeon/cvmx-pip.h>
-#include <asm/octeon/cvmx-pko.h>
-#include <asm/octeon/cvmx-helper.h>
-
-#include <asm/octeon/cvmx-gmxx-defs.h>
-
 #define CVM_OCT_SKB_CB(skb)	((u64 *)((skb)->cb))
 
 /*

drivers/staging/octeon/ethernet-util.h

@@ -5,10 +5,6 @@
  * Copyright (c) 2003-2007 Cavium Networks
  */
 
-#include <asm/octeon/cvmx-pip.h>
-#include <asm/octeon/cvmx-helper.h>
-#include <asm/octeon/cvmx-helper-util.h>
-
 /**
  * cvm_oct_get_buffer_ptr - convert packet data address to pointer
  * @packet_ptr: Packet data hardware address

drivers/staging/octeon/ethernet.c

@@ -19,24 +19,14 @@
 
 #include <net/dst.h>
 
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
 #include "octeon-ethernet.h"
+#include "ethernet-defines.h"
 #include "ethernet-mem.h"
 #include "ethernet-rx.h"
 #include "ethernet-tx.h"
 #include "ethernet-mdio.h"
 #include "ethernet-util.h"
 
-#include <asm/octeon/cvmx-pip.h>
-#include <asm/octeon/cvmx-pko.h>
-#include <asm/octeon/cvmx-fau.h>
-#include <asm/octeon/cvmx-ipd.h>
-#include <asm/octeon/cvmx-helper.h>
-#include <asm/octeon/cvmx-asxx-defs.h>
-#include <asm/octeon/cvmx-gmxx-defs.h>
-
 #define OCTEON_MAX_MTU 65392
 
 static int num_packet_buffers = 1024;

drivers/staging/octeon/octeon-ethernet.h

@@ -13,7 +13,34 @@
 
 #include <linux/of.h>
 #include <linux/phy.h>
-#include <asm/octeon/cvmx-helper-board.h>
+
+#ifdef CONFIG_MIPS
+
+#include <asm/octeon/octeon.h>
+
+#include <asm/octeon/cvmx-asxx-defs.h>
+#include <asm/octeon/cvmx-config.h>
+#include <asm/octeon/cvmx-fau.h>
+#include <asm/octeon/cvmx-gmxx-defs.h>
+#include <asm/octeon/cvmx-helper.h>
+#include <asm/octeon/cvmx-helper-util.h>
+#include <asm/octeon/cvmx-ipd.h>
+#include <asm/octeon/cvmx-ipd-defs.h>
+#include <asm/octeon/cvmx-npi-defs.h>
+#include <asm/octeon/cvmx-pip.h>
+#include <asm/octeon/cvmx-pko.h>
+#include <asm/octeon/cvmx-pow.h>
+#include <asm/octeon/cvmx-scratch.h>
+#include <asm/octeon/cvmx-spi.h>
+#include <asm/octeon/cvmx-spxx-defs.h>
+#include <asm/octeon/cvmx-stxx-defs.h>
+#include <asm/octeon/cvmx-wqe.h>
+
+#else
+
+#include "octeon-stubs.h"
+
+#endif
 
 /**
  * This is the definition of the Ethernet driver's private