Merge remote branch 'origin/master'

arch/xtensa/Makefile

@@ -35,6 +35,8 @@ KBUILD_CFLAGS += -ffreestanding
 
 KBUILD_CFLAGS += -pipe -mlongcalls
 
+KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
+
 vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
 plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
 

arch/xtensa/include/asm/cacheflush.h

@@ -115,6 +115,7 @@ extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned lon
 #define flush_cache_vmap(start,end)			do { } while (0)
 #define flush_cache_vunmap(start,end)			do { } while (0)
 
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
 #define flush_dcache_page(page)				do { } while (0)
 
 #define flush_cache_page(vma,addr,pfn)			do { } while (0)

arch/xtensa/include/asm/coprocessor.h

@@ -13,6 +13,7 @@
 #define _XTENSA_COPROCESSOR_H
 
 #include <linux/stringify.h>
+#include <variant/core.h>
 #include <variant/tie.h>
 #include <asm/types.h>
 

arch/xtensa/include/asm/elf.h

@@ -14,6 +14,7 @@
 #define _XTENSA_ELF_H
 
 #include <asm/ptrace.h>
+#include <asm/coprocessor.h>
 
 /* Xtensa processor ELF architecture-magic number */
 

arch/xtensa/include/asm/pgalloc.h

@@ -14,6 +14,7 @@
 #ifdef __KERNEL__
 
 #include <linux/highmem.h>
+#include <linux/slab.h>
 
 /*
  * Allocating and freeing a pmd is trivial: the 1-entry pmd is

arch/xtensa/include/asm/processor.h

@@ -12,7 +12,6 @@
 #define _XTENSA_PROCESSOR_H
 
 #include <variant/core.h>
-#include <asm/coprocessor.h>
 #include <platform/hardware.h>
 
 #include <linux/compiler.h>

arch/xtensa/include/asm/ptrace.h

@@ -77,6 +77,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/coprocessor.h>
+
 /*
  * This struct defines the way the registers are stored on the
  * kernel stack during a system call or other kernel entry.

arch/xtensa/kernel/Makefile

@@ -23,8 +23,8 @@ obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o
 #
 # Replicate rules in scripts/Makefile.build
 
-sed-y = -e 's/(\(\.[a-z]*it\|\.ref\|\)\.text)/(\1.literal \1.text)/g'	\
-	-e 's/(\(\.text\.[a-z]*\))/(\1.literal \1)/g'
+sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g'    \
+	-e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g'
 
 quiet_cmd__cpp_lds_S = LDS     $@
       cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \

arch/xtensa/kernel/asm-offsets.c

@@ -13,6 +13,7 @@
  */
 
 #include <asm/processor.h>
+#include <asm/coprocessor.h>
 
 #include <linux/types.h>
 #include <linux/stddef.h>

arch/xtensa/kernel/entry.S

@@ -16,6 +16,7 @@
 #include <linux/linkage.h>
 #include <asm/asm-offsets.h>
 #include <asm/processor.h>
+#include <asm/coprocessor.h>
 #include <asm/thread_info.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>

arch/xtensa/kernel/head.S

@@ -184,8 +184,8 @@ _startup:
 	 * Now clear the BSS segment.
 	 */
 
-	movi	a2, _bss_start	# start of BSS
-	movi	a3, _bss_end	# end of BSS
+	movi	a2, __bss_start	# start of BSS
+	movi	a3, __bss_stop	# end of BSS
 
 	__loopt	a2, a3, a4, 2
 	s32i	a0, a2, 0

arch/xtensa/platforms/iss/network.c

@@ -623,6 +623,19 @@ static struct platform_driver iss_net_driver = {
 
 static int driver_registered;
 
+static const struct net_device_ops iss_netdev_ops = {
+	.ndo_open		= iss_net_open,
+	.ndo_stop		= iss_net_close,
+	.ndo_get_stats		= iss_net_get_stats,
+	.ndo_start_xmit		= iss_net_start_xmit,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_change_mtu		= iss_net_change_mtu,
+	.ndo_set_mac_address	= iss_net_set_mac,
+	//.ndo_do_ioctl		= iss_net_ioctl,
+	.ndo_tx_timeout		= iss_net_tx_timeout,
+	.ndo_set_multicast_list = iss_net_set_multicast_list,
+};
+
 static int iss_net_configure(int index, char *init)
 {
 	struct net_device *dev;
@@ -686,15 +699,8 @@ static int iss_net_configure(int index, char *init)
 	 */
 	snprintf(dev->name, sizeof dev->name, "eth%d", index);
 
+	dev->netdev_ops = &iss_netdev_ops;
 	dev->mtu = lp->mtu;
-	dev->open = iss_net_open;
-	dev->hard_start_xmit = iss_net_start_xmit;
-	dev->stop = iss_net_close;
-	dev->get_stats = iss_net_get_stats;
-	dev->set_multicast_list = iss_net_set_multicast_list;
-	dev->tx_timeout = iss_net_tx_timeout;
-	dev->set_mac_address = iss_net_set_mac;
-	dev->change_mtu = iss_net_change_mtu;
 	dev->watchdog_timeo = (HZ >> 1);
 	dev->irq = -1;