8 files changed, 13 insertions, 65 deletions

diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 84fde258cf8..1ff82268e8e 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -29,7 +29,7 @@
  */
 
 void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, int gfp)
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
 {
 	void *ret;
 
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 09887c96e9a..de19501aa80 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -402,8 +402,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 	__pci_mmap_set_flags(dev, vma, mmap_state);
 	__pci_mmap_set_pgprot(dev, vma, mmap_state, write_combine);
 
-	ret = io_remap_page_range(vma, vma->vm_start, vma->vm_pgoff<<PAGE_SHIFT,
-			       vma->vm_end - vma->vm_start, vma->vm_page_prot);
+	ret = io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+			         vma->vm_end - vma->vm_start,vma->vm_page_prot);
 
 	return ret;
 }
diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
index cf136278444..a17930747f2 100644
--- a/arch/xtensa/kernel/platform.c
+++ b/arch/xtensa/kernel/platform.c
@@ -18,6 +18,7 @@
 #include <linux/time.h>
 #include <asm/platform.h>
 #include <asm/timex.h>
+#include <asm/param.h>		/* HZ */
 
 #define _F(r,f,a,b)							\
 	r __platform_##f a b;                                   	\
@@ -39,7 +40,7 @@ _F(int,  pcibios_fixup, (void), { return 0; });
 _F(int, get_rtc_time, (time_t* t), { return 0; });
 _F(int, set_rtc_time, (time_t t), { return 0; });
 
-#if CONFIG_XTENSA_CALIBRATE_CCOUNT
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 _F(void, calibrate_ccount, (void),
 {
   printk ("ERROR: Cannot calibrate cpu frequency! Assuming 100MHz.\n");
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index c83bb0d4178..6a44b54ae81 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -96,8 +96,9 @@ void cpu_idle(void)
 	while (1) {
 		while (!need_resched())
 			platform_idle();
-		preempt_enable();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
@@ -457,7 +458,7 @@ int
 dump_task_fpu(struct pt_regs *regs, struct task_struct *task, elf_fpregset_t *r)
 {
 /* see asm/coprocessor.h for this magic number 16 */
-#if TOTAL_CPEXTRA_SIZE > 16
+#if XTENSA_CP_EXTRA_SIZE > 16
 	do_save_fpregs (r, regs, task);
 
 	/*  For now, bit 16 means some extra state may be present:  */
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 2659efdd4e9..ab5c4c65b5c 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -45,58 +45,10 @@ void ptrace_disable(struct task_struct *child)
 	/* Nothing to do.. */
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
-	struct task_struct *child;
 	int ret = -EPERM;
 
-	lock_kernel();
-
-#if 0
-	if ((int)request != 1)
-	printk("ptrace(r=%d,pid=%d,addr=%08lx,data=%08lx)\n",
-	       (int) request, (int) pid, (unsigned long) addr,
-	       (unsigned long) data);
-#endif
-
-	if (request == PTRACE_TRACEME) {
-
-		/* Are we already being traced? */
-
-		if (current->ptrace & PT_PTRACED)
-			goto out;
-
-		if ((ret = security_ptrace(current->parent, current)))
-			goto out;
-
-		/* Set the ptrace bit in the process flags. */
-
-		current->ptrace |= PT_PTRACED;
-		ret = 0;
-		goto out;
-	}
-
-	ret = -ESRCH;
-	read_lock(&tasklist_lock);
-	child = find_task_by_pid(pid);
-	if (child)
-		get_task_struct(child);
-	read_unlock(&tasklist_lock);
-	if (!child)
-		goto out;
-
-	ret = -EPERM;
-	if (pid == 1)		/* you may not mess with init */
-		goto out;
-
-	if (request == PTRACE_ATTACH) {
-		ret = ptrace_attach(child);
-		goto out_tsk;
-	}
-
-	if ((ret = ptrace_check_attach(child, request == PTRACE_KILL)) < 0)
-		goto out_tsk;
-
 	switch (request) {
 	case PTRACE_PEEKTEXT: /* read word at location addr. */
 	case PTRACE_PEEKDATA:
@@ -375,10 +327,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
 		ret = ptrace_request(child, request, addr, data);
 		goto out;
 	}
-out_tsk:
-	put_task_struct(child);
-out:
-	unlock_kernel();
+ out:
 	return ret;
 }
 
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 1f5bf5d624e..513ed8d6776 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -304,7 +304,7 @@ void __init setup_arch(char **cmdline_p)
 # endif
 #endif
 
-#if CONFIG_PCI
+#ifdef CONFIG_PCI
 	platform_pcibios_init();
 #endif
 }
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index dc42cede939..e252b61e45a 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -182,7 +182,7 @@ restore_cpextra (struct _cpstate *buf)
 
 	struct task_struct *tsk = current;
 	release_all_cp(tsk);
-	return __copy_from_user(tsk->thread.cpextra, buf, TOTAL_CPEXTRA_SIZE);
+	return __copy_from_user(tsk->thread.cpextra, buf, XTENSA_CP_EXTRA_SIZE);
 #endif
 	return 0;
 }
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 1ac7d5ce745..cb6e38ed2b1 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -29,9 +29,6 @@
 
 extern volatile unsigned long wall_jiffies;
 
-u64 jiffies_64 = INITIAL_JIFFIES;
-EXPORT_SYMBOL(jiffies_64);
-
 spinlock_t rtc_lock = SPIN_LOCK_UNLOCKED;
 EXPORT_SYMBOL(rtc_lock);
 
@@ -68,7 +65,7 @@ void __init time_init(void)
 	 * speed for the CALIBRATE.
 	 */
 
-#if CONFIG_XTENSA_CALIBRATE_CCOUNT
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 	printk("Calibrating CPU frequency ");
 	platform_calibrate_ccount();
 	printk("%d.%02d MHz\n", (int)ccount_per_jiffy/(1000000/HZ),