10 files changed, 13 insertions, 22 deletions

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index ea5d8d03e53b..60c141af222b 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -28,13 +28,11 @@ config XTENSA
 	select HAVE_FUTEX_CMPXCHG if !MMU
 	select HAVE_HW_BREAKPOINT if PERF_EVENTS
 	select HAVE_IRQ_TIME_ACCOUNTING
-	select HAVE_MEMBLOCK
 	select HAVE_OPROFILE
 	select HAVE_PERF_EVENTS
 	select HAVE_STACKPROTECTOR
 	select IRQ_DOMAIN
 	select MODULES_USE_ELF_RELA
-	select NO_BOOTMEM
 	select PERF_USE_VMALLOC
 	select VIRT_TO_BUS
 	help
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index e4ccb88b7996..be9bfd9aa865 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -152,14 +152,6 @@ struct thread_struct {
 	int align[0] __attribute__ ((aligned(16)));
 };
 
-
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr()  ({ __label__ _l; _l: &&_l;})
-
-
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.
  */
diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h
index ec43609cbfc5..6d4a87296c95 100644
--- a/arch/xtensa/include/uapi/asm/ioctls.h
+++ b/arch/xtensa/include/uapi/asm/ioctls.h
@@ -107,6 +107,8 @@
 #define TIOCGPTLCK	_IOR('T', 0x39, int) /* Get Pty lock state */
 #define TIOCGEXCL	_IOR('T', 0x40, int) /* Get exclusive mode state */
 #define TIOCGPTPEER	_IO('T', 0x41) /* Safely open the slave */
+#define TIOCGISO7816	_IOR('T', 0x42, struct serial_iso7816)
+#define TIOCSISO7816	_IOWR('T', 0x43, struct serial_iso7816)
 
 #define TIOCSERCONFIG	_IO('T', 83)
 #define TIOCSERGWILD	_IOR('T', 84,  int)
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 21f13e9aabe1..5ca440a74316 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -24,7 +24,7 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/errno.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 
 #include <asm/pci-bridge.h>
 #include <asm/platform.h>
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 9220dcde7520..b27359e2a464 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -21,7 +21,7 @@
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/ptrace.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/swap.h>
 #include <linux/pagemap.h>
 
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 34aead7dcb48..9750a48f491b 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -18,7 +18,7 @@
 
 #include <linux/kernel.h>
 #include <linux/errno.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/gfp.h>
 #include <linux/highmem.h>
 #include <linux/swap.h>
@@ -152,7 +152,7 @@ void __init mem_init(void)
 	max_mapnr = max_pfn - ARCH_PFN_OFFSET;
 	high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT);
 
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c
index 6b532b6bd785..6b95ca43aec0 100644
--- a/arch/xtensa/mm/kasan_init.c
+++ b/arch/xtensa/mm/kasan_init.c
@@ -8,11 +8,10 @@
  * Copyright (C) 2017 Cadence Design Systems Inc.
  */
 
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/init_task.h>
 #include <linux/kasan.h>
 #include <linux/kernel.h>
-#include <linux/memblock.h>
 #include <asm/initialize_mmu.h>
 #include <asm/tlbflush.h>
 #include <asm/traps.h>
@@ -43,7 +42,7 @@ static void __init populate(void *start, void *end)
 	unsigned long vaddr = (unsigned long)start;
 	pgd_t *pgd = pgd_offset_k(vaddr);
 	pmd_t *pmd = pmd_offset(pgd, vaddr);
-	pte_t *pte = memblock_virt_alloc(n_pages * sizeof(pte_t), PAGE_SIZE);
+	pte_t *pte = memblock_alloc(n_pages * sizeof(pte_t), PAGE_SIZE);
 
 	pr_debug("%s: %p - %p\n", __func__, start, end);
 
diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c
index 9d1ecfc53670..a4dcfd39bc5c 100644
--- a/arch/xtensa/mm/mmu.c
+++ b/arch/xtensa/mm/mmu.c
@@ -4,7 +4,7 @@
  *
  * Extracted from init.c
  */
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/percpu.h>
 #include <linux/init.h>
 #include <linux/string.h>
@@ -31,7 +31,7 @@ static void * __init init_pmd(unsigned long vaddr, unsigned long n_pages)
 	pr_debug("%s: vaddr: 0x%08lx, n_pages: %ld\n",
 		 __func__, vaddr, n_pages);
 
-	pte = alloc_bootmem_low_pages(n_pages * sizeof(pte_t));
+	pte = memblock_alloc_low(n_pages * sizeof(pte_t), PAGE_SIZE);
 
 	for (i = 0; i < n_pages; ++i)
 		pte_clear(NULL, 0, pte + i);
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index d027dddc41ca..d052712373b6 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -30,7 +30,7 @@
 #include <linux/etherdevice.h>
 #include <linux/interrupt.h>
 #include <linux/ioctl.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/ethtool.h>
 #include <linux/rtnetlink.h>
 #include <linux/platform_device.h>
@@ -646,7 +646,7 @@ static int __init iss_net_setup(char *str)
 		return 1;
 	}
 
-	new = alloc_bootmem(sizeof(*new));
+	new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES);
 	if (new == NULL) {
 		pr_err("Alloc_bootmem failed\n");
 		return 1;
diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c
index 58709e89a8ed..c14cc673976c 100644
--- a/arch/xtensa/platforms/iss/setup.c
+++ b/arch/xtensa/platforms/iss/setup.c
@@ -16,7 +16,7 @@
  * option) any later version.
  *
  */
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/init.h>