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-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/common/Kconfig3
-rw-r--r--arch/arm/common/Makefile1
-rw-r--r--arch/arm/common/krait-l2-accessors.c48
-rw-r--r--arch/arm/include/asm/krait-l2-accessors.h9
-rw-r--r--arch/arm/include/asm/processor.h6
-rw-r--r--arch/arm/kernel/devtree.c1
-rw-r--r--arch/arm/kernel/setup.c5
-rw-r--r--arch/arm/mach-davinci/include/mach/clock.h21
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c10
-rw-r--r--arch/arm/mm/dma-mapping.c1
-rw-r--r--arch/arm/mm/init.c3
-rw-r--r--arch/arm/mm/mmu.c2
-rw-r--r--arch/arm/xen/mm.c1
-rw-r--r--arch/arm/xen/p2m.c2
15 files changed, 72 insertions, 43 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b8c6062ca0c1..91be74d8df65 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -82,7 +82,6 @@ config ARM
select HAVE_KERNEL_XZ
select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 && !CPU_V7M
select HAVE_KRETPROBES if (HAVE_KPROBES)
- select HAVE_MEMBLOCK
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI
select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
@@ -100,7 +99,6 @@ config ARM
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_REL
select NEED_DMA_MAP_STATE
- select NO_BOOTMEM
select OF_EARLY_FLATTREE if OF
select OF_RESERVED_MEM if OF
select OLD_SIGACTION
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index e5ad0708849a..c8e198631d41 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -7,6 +7,9 @@ config DMABOUNCE
bool
select ZONE_DMA
+config KRAIT_L2_ACCESSORS
+ bool
+
config SHARP_LOCOMO
bool
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 3157be413297..219a260bbe5f 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -7,6 +7,7 @@ obj-y += firmware.o
obj-$(CONFIG_SA1111) += sa1111.o
obj-$(CONFIG_DMABOUNCE) += dmabounce.o
+obj-$(CONFIG_KRAIT_L2_ACCESSORS) += krait-l2-accessors.o
obj-$(CONFIG_SHARP_LOCOMO) += locomo.o
obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o
obj-$(CONFIG_SHARP_SCOOP) += scoop.o
diff --git a/arch/arm/common/krait-l2-accessors.c b/arch/arm/common/krait-l2-accessors.c
new file mode 100644
index 000000000000..9a97ddadecd6
--- /dev/null
+++ b/arch/arm/common/krait-l2-accessors.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018, The Linux Foundation. All rights reserved.
+
+#include <linux/spinlock.h>
+#include <linux/export.h>
+
+#include <asm/barrier.h>
+#include <asm/krait-l2-accessors.h>
+
+static DEFINE_RAW_SPINLOCK(krait_l2_lock);
+
+void krait_set_l2_indirect_reg(u32 addr, u32 val)
+{
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&krait_l2_lock, flags);
+ /*
+ * Select the L2 window by poking l2cpselr, then write to the window
+ * via l2cpdr.
+ */
+ asm volatile ("mcr p15, 3, %0, c15, c0, 6 @ l2cpselr" : : "r" (addr));
+ isb();
+ asm volatile ("mcr p15, 3, %0, c15, c0, 7 @ l2cpdr" : : "r" (val));
+ isb();
+
+ raw_spin_unlock_irqrestore(&krait_l2_lock, flags);
+}
+EXPORT_SYMBOL(krait_set_l2_indirect_reg);
+
+u32 krait_get_l2_indirect_reg(u32 addr)
+{
+ u32 val;
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&krait_l2_lock, flags);
+ /*
+ * Select the L2 window by poking l2cpselr, then read from the window
+ * via l2cpdr.
+ */
+ asm volatile ("mcr p15, 3, %0, c15, c0, 6 @ l2cpselr" : : "r" (addr));
+ isb();
+ asm volatile ("mrc p15, 3, %0, c15, c0, 7 @ l2cpdr" : "=r" (val));
+
+ raw_spin_unlock_irqrestore(&krait_l2_lock, flags);
+
+ return val;
+}
+EXPORT_SYMBOL(krait_get_l2_indirect_reg);
diff --git a/arch/arm/include/asm/krait-l2-accessors.h b/arch/arm/include/asm/krait-l2-accessors.h
new file mode 100644
index 000000000000..a5f2cdd6445f
--- /dev/null
+++ b/arch/arm/include/asm/krait-l2-accessors.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASMARM_KRAIT_L2_ACCESSORS_H
+#define __ASMARM_KRAIT_L2_ACCESSORS_H
+
+extern void krait_set_l2_indirect_reg(u32 addr, u32 val);
+extern u32 krait_get_l2_indirect_reg(u32 addr);
+
+#endif
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 1bf65b47808a..120f4c9bbfde 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -11,12 +11,6 @@
#ifndef __ASM_ARM_PROCESSOR_H
#define __ASM_ARM_PROCESSOR_H
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
-
#ifdef __KERNEL__
#include <asm/hw_breakpoint.h>
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 13bcd3b867cb..e3057c1b55b9 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -12,7 +12,6 @@
#include <linux/export.h>
#include <linux/errno.h>
#include <linux/types.h>
-#include <linux/bootmem.h>
#include <linux/memblock.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 4c249cb261f3..ac7e08886863 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -16,7 +16,6 @@
#include <linux/utsname.h>
#include <linux/initrd.h>
#include <linux/console.h>
-#include <linux/bootmem.h>
#include <linux/seq_file.h>
#include <linux/screen_info.h>
#include <linux/of_platform.h>
@@ -857,7 +856,7 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
*/
boot_alias_start = phys_to_idmap(start);
if (arm_has_idmap_alias() && boot_alias_start != IDMAP_INVALID_ADDR) {
- res = memblock_virt_alloc(sizeof(*res), 0);
+ res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES);
res->name = "System RAM (boot alias)";
res->start = boot_alias_start;
res->end = phys_to_idmap(end);
@@ -865,7 +864,7 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
request_resource(&iomem_resource, res);
}
- res = memblock_virt_alloc(sizeof(*res), 0);
+ res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES);
res->name = "System RAM";
res->start = start;
res->end = end;
diff --git a/arch/arm/mach-davinci/include/mach/clock.h b/arch/arm/mach-davinci/include/mach/clock.h
deleted file mode 100644
index 42ed4f2f5ce4..000000000000
--- a/arch/arm/mach-davinci/include/mach/clock.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * arch/arm/mach-davinci/include/mach/clock.h
- *
- * Clock control driver for DaVinci - header file
- *
- * Authors: Vladimir Barinov <source@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef __ASM_ARCH_DAVINCI_CLOCK_H
-#define __ASM_ARCH_DAVINCI_CLOCK_H
-
-struct clk;
-
-int davinci_clk_reset_assert(struct clk *c);
-int davinci_clk_reset_deassert(struct clk *c);
-
-#endif
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 56a1fe90d394..083dcd9942ce 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -141,7 +141,7 @@
#include <linux/cpu.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/platform_data/ti-sysc.h>
@@ -726,7 +726,7 @@ static int __init _setup_clkctrl_provider(struct device_node *np)
u64 size;
int i;
- provider = memblock_virt_alloc(sizeof(*provider), 0);
+ provider = memblock_alloc(sizeof(*provider), SMP_CACHE_BYTES);
if (!provider)
return -ENOMEM;
@@ -736,12 +736,14 @@ static int __init _setup_clkctrl_provider(struct device_node *np)
of_property_count_elems_of_size(np, "reg", sizeof(u32)) / 2;
provider->addr =
- memblock_virt_alloc(sizeof(void *) * provider->num_addrs, 0);
+ memblock_alloc(sizeof(void *) * provider->num_addrs,
+ SMP_CACHE_BYTES);
if (!provider->addr)
return -ENOMEM;
provider->size =
- memblock_virt_alloc(sizeof(u32) * provider->num_addrs, 0);
+ memblock_alloc(sizeof(u32) * provider->num_addrs,
+ SMP_CACHE_BYTES);
if (!provider->size)
return -ENOMEM;
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 66566472c153..661fe48ab78d 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -9,7 +9,6 @@
*
* DMA uncached mapping support.
*/
-#include <linux/bootmem.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/genalloc.h>
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 0cc8e04295a4..32e4845af2b6 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -11,7 +11,6 @@
#include <linux/errno.h>
#include <linux/swap.h>
#include <linux/init.h>
-#include <linux/bootmem.h>
#include <linux/mman.h>
#include <linux/sched/signal.h>
#include <linux/sched/task.h>
@@ -508,7 +507,7 @@ void __init mem_init(void)
/* this will put all unused low memory onto the freelists */
free_unused_memmap();
- free_all_bootmem();
+ memblock_free_all();
#ifdef CONFIG_SA1111
/* now that our DMA memory is actually so designated, we can free it */
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e46a6a446cdd..f5cc1ccfea3d 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -721,7 +721,7 @@ EXPORT_SYMBOL(phys_mem_access_prot);
static void __init *early_alloc_aligned(unsigned long sz, unsigned long align)
{
- void *ptr = __va(memblock_alloc(sz, align));
+ void *ptr = __va(memblock_phys_alloc(sz, align));
memset(ptr, 0, sz);
return ptr;
}
diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c
index 785d2a562a23..cb44aa290e73 100644
--- a/arch/arm/xen/mm.c
+++ b/arch/arm/xen/mm.c
@@ -1,6 +1,5 @@
#include <linux/cpu.h>
#include <linux/dma-mapping.h>
-#include <linux/bootmem.h>
#include <linux/gfp.h>
#include <linux/highmem.h>
#include <linux/export.h>
diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index 0641ba54ab62..e70a49fc8dcd 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -1,4 +1,4 @@
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/gfp.h>
#include <linux/export.h>
#include <linux/spinlock.h>