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-rw-r--r--arch/xtensa/kernel/Makefile3
-rw-r--r--arch/xtensa/kernel/io.c75
-rw-r--r--arch/xtensa/kernel/irq.c4
-rw-r--r--arch/xtensa/kernel/pci-dma.c4
-rw-r--r--arch/xtensa/kernel/pci.c2
-rw-r--r--arch/xtensa/kernel/platform.c4
-rw-r--r--arch/xtensa/kernel/setup.c12
-rw-r--r--arch/xtensa/kernel/vmlinux.lds.S5
-rw-r--r--arch/xtensa/kernel/xtensa_ksyms.c25
9 files changed, 36 insertions, 98 deletions
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index 59fc3fe1557..f36cef5a62f 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -6,7 +6,7 @@ extra-y := head.o vmlinux.lds
obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o \
setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \
- pci-dma.o io.o
+ pci-dma.o
obj-$(CONFIG_KGDB) += xtensa-stub.o
obj-$(CONFIG_PCI) += pci.o
@@ -24,6 +24,7 @@ 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\.unlikely/.literal.unlikely .text.unlikely/g' \
-e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g'
quiet_cmd__cpp_lds_S = LDS $@
diff --git a/arch/xtensa/kernel/io.c b/arch/xtensa/kernel/io.c
deleted file mode 100644
index 5b65269b1d2..00000000000
--- a/arch/xtensa/kernel/io.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * arch/xtensa/io.c
- *
- * IO primitives
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * Copied from sparc.
- *
- * Chris Zankel <chris@zankel.net>
- *
- */
-
-#include <asm/io.h>
-#include <asm/byteorder.h>
-
-void outsb(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 1;
- writeb(*(const char *)src, addr);
- src += 1;
- addr += 1;
- }
-}
-
-void outsw(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 2;
- writew(*(const short *)src, addr);
- src += 2;
- addr += 2;
- }
-}
-
-void outsl(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 4;
- writel(*(const long *)src, addr);
- src += 4;
- addr += 4;
- }
-}
-
-void insb(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 1;
- *(unsigned char *)dst = readb(addr);
- dst += 1;
- addr += 1;
- }
-}
-
-void insw(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 2;
- *(unsigned short *)dst = readw(addr);
- dst += 2;
- addr += 2;
- }
-}
-
-void insl(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 4;
- /*
- * XXX I am sure we are in for an unaligned trap here.
- */
- *(unsigned long *)dst = readl(addr);
- dst += 4;
- addr += 4;
- }
-}
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 4340ee076bd..98e77c3ef1c 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -84,12 +84,12 @@ static void xtensa_irq_unmask(struct irq_data *d)
static void xtensa_irq_enable(struct irq_data *d)
{
variant_irq_enable(d->irq);
- xtensa_irq_unmask(d->irq);
+ xtensa_irq_unmask(d);
}
static void xtensa_irq_disable(struct irq_data *d)
{
- xtensa_irq_mask(d->irq);
+ xtensa_irq_mask(d);
variant_irq_disable(d->irq);
}
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 2783fda76dd..2d9cc6dbfd7 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -21,6 +21,7 @@
#include <linux/string.h>
#include <linux/pci.h>
#include <linux/gfp.h>
+#include <linux/module.h>
#include <asm/io.h>
#include <asm/cacheflush.h>
@@ -62,6 +63,7 @@ dma_alloc_coherent(struct device *dev,size_t size,dma_addr_t *handle,gfp_t flag)
return (void*)uncached;
}
+EXPORT_SYMBOL(dma_alloc_coherent);
void dma_free_coherent(struct device *hwdev, size_t size,
void *vaddr, dma_addr_t dma_handle)
@@ -73,6 +75,7 @@ void dma_free_coherent(struct device *hwdev, size_t size,
free_pages(addr, get_order(size));
}
+EXPORT_SYMBOL(dma_free_coherent);
void consistent_sync(void *vaddr, size_t size, int direction)
@@ -92,3 +95,4 @@ void consistent_sync(void *vaddr, size_t size, int direction)
break;
}
}
+EXPORT_SYMBOL(consistent_sync);
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 54354de38a7..126c1883940 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -333,7 +333,7 @@ __pci_mmap_set_pgprot(struct pci_dev *dev, struct vm_area_struct *vma,
int prot = pgprot_val(vma->vm_page_prot);
/* Set to write-through */
- prot &= ~_PAGE_NO_CACHE;
+ prot = (prot & _PAGE_CA_MASK) | _PAGE_CA_WT;
#if 0
if (!write_combine)
prot |= _PAGE_WRITETHRU;
diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
index 1b91a97f1d8..97230e46cbe 100644
--- a/arch/xtensa/kernel/platform.c
+++ b/arch/xtensa/kernel/platform.c
@@ -40,8 +40,8 @@ _F(int, pcibios_fixup, (void), { return 0; });
#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
_F(void, calibrate_ccount, (void),
{
- printk ("ERROR: Cannot calibrate cpu frequency! Assuming 100MHz.\n");
- ccount_per_jiffy = 100 * (1000000UL/HZ);
+ pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10MHz.\n");
+ ccount_per_jiffy = 10 * (1000000UL/HZ);
});
#endif
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 17e746f7be6..270360d9806 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -60,8 +60,6 @@ struct rtc_ops *rtc_ops;
#ifdef CONFIG_BLK_DEV_INITRD
extern void *initrd_start;
extern void *initrd_end;
-extern void *__initrd_start;
-extern void *__initrd_end;
int initrd_is_mapped = 0;
extern int initrd_below_start_ok;
#endif
@@ -79,10 +77,6 @@ static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE;
sysmem_info_t __initdata sysmem;
-#ifdef CONFIG_BLK_DEV_INITRD
-int initrd_is_mapped;
-#endif
-
#ifdef CONFIG_MMU
extern void init_mmu(void);
#else
@@ -197,12 +191,6 @@ static int __init parse_bootparam(const bp_tag_t* tag)
void __init init_arch(bp_tag_t *bp_start)
{
-
-#ifdef CONFIG_BLK_DEV_INITRD
- initrd_start = &__initrd_start;
- initrd_end = &__initrd_end;
-#endif
-
sysmem.nr_banks = 0;
#ifdef CONFIG_CMDLINE_BOOL
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index ee2e2089483..255154f820b 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -222,11 +222,6 @@ SECTIONS
. = ALIGN(0x10);
.bootstrap : { *(.bootstrap.literal .bootstrap.text .bootstrap.data) }
- . = ALIGN(0x1000);
- __initrd_start = .;
- .initrd : { *(.initrd) }
- __initrd_end = .;
-
.ResetVector.text XCHAL_RESET_VECTOR_VADDR :
{
*(.ResetVector.text)
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index c9a7c5b74a0..a8b9f1fd1e1 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -39,8 +39,12 @@
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
+EXPORT_SYMBOL(__strncpy_user);
+EXPORT_SYMBOL(clear_page);
+EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(kernel_thread);
+EXPORT_SYMBOL(empty_zero_page);
/*
* gcc internal math functions
@@ -56,6 +60,7 @@ extern unsigned int __udivsi3(unsigned int, unsigned int);
extern unsigned int __umodsi3(unsigned int, unsigned int);
extern unsigned long long __umoddi3(unsigned long long, unsigned long long);
extern unsigned long long __udivdi3(unsigned long long, unsigned long long);
+extern int __ucmpdi2(int, int);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__ashrdi3);
@@ -68,11 +73,31 @@ EXPORT_SYMBOL(__udivsi3);
EXPORT_SYMBOL(__umodsi3);
EXPORT_SYMBOL(__udivdi3);
EXPORT_SYMBOL(__umoddi3);
+EXPORT_SYMBOL(__ucmpdi2);
+
+void __xtensa_libgcc_window_spill(void)
+{
+ BUG();
+}
+EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
+
+unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)
+{
+ BUG();
+}
+EXPORT_SYMBOL(__sync_fetch_and_and_4);
+
+unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)
+{
+ BUG();
+}
+EXPORT_SYMBOL(__sync_fetch_and_or_4);
#ifdef CONFIG_NET
/*
* Networking support
*/
+EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
#endif /* CONFIG_NET */