Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/gerg/m68knommu

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (22 commits)
  m68knommu: Use generic show_interrupts()
  coldfire_qspi compile fix
  m68k: merge the mmu and non-mmu versions of sys_m68k.c
  m68knommu: use asm-generic/bitops/ext2-atomic.h
  m68knommu: Remove obsolete #include <linux/sys.h>
  m68k: merge mmu and non-mmu versions of asm-offsets.c
  m68k: merge non-mmu and mmu versions of m68k_ksyms.c
  m68knommu: remove un-needed exporting of COLDFIRE symbols
  m68knommu: move EXPORT of kernel_thread to function definition
  m68knommu: move EXPORT of local checksumming functions to definitions
  m68knommu: move EXPORT of dump_fpu to function definition
  m68knommu: clean up mm/init_no.c
  m68k: merge the mmu and non-mmu mm/Makefile
  m68k: mv kmap_mm.c to kmap.c
  m68knommu: remove stubs for __ioremap() and iounmap()
  m68knommu: remove unused kernel_set_cachemode()
  m68k: let Makefile sort out compiling mmu and non-mmu lib/checksum.c
  m68k: remove duplicate memcpy() implementation
  m68k: remove duplicate memset() implementation
  m68k: remove duplicate memmove() implementation
  ...

arch/m68k/Kconfig

@@ -5,6 +5,7 @@ config M68K
 	select HAVE_AOUT if MMU
 	select GENERIC_ATOMIC64 if MMU
 	select HAVE_GENERIC_HARDIRQS if !MMU
+	select GENERIC_IRQ_SHOW if !MMU
 
 config RWSEM_GENERIC_SPINLOCK
 	bool

arch/m68k/include/asm/bitops_no.h

@@ -246,23 +246,7 @@ static inline int __test_and_clear_bit_le(int nr, volatile void *addr)
 	return retval;
 }
 
-#define ext2_set_bit_atomic(lock, nr, addr)		\
-	({						\
-		int ret;				\
-		spin_lock(lock);			\
-		ret = __test_and_set_bit_le((nr), (addr));	\
-		spin_unlock(lock);			\
-		ret;					\
-	})
-
-#define ext2_clear_bit_atomic(lock, nr, addr)		\
-	({						\
-		int ret;				\
-		spin_lock(lock);			\
-		ret = __test_and_clear_bit_le((nr), (addr));	\
-		spin_unlock(lock);			\
-		ret;					\
-	})
+#include <asm-generic/bitops/ext2-atomic.h>
 
 static inline int test_bit_le(int nr, const volatile void *addr)
 {

arch/m68k/include/asm/io_no.h

@@ -144,8 +144,10 @@ static inline void io_insl(unsigned int addr, void *buf, int len)
 #define IOMAP_NOCACHE_NONSER		2
 #define IOMAP_WRITETHROUGH		3
 
-extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
-
+static inline void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
+{
+	return (void *) physaddr;
+}
 static inline void *ioremap(unsigned long physaddr, unsigned long size)
 {
 	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
@@ -163,7 +165,7 @@ static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size
 	return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
 }
 
-extern void iounmap(void *addr);
+#define	iounmap(addr)	do { } while(0)
 
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem

arch/m68k/kernel/asm-offsets.c

@@ -1,5 +1,105 @@
-#ifdef CONFIG_MMU
-#include "asm-offsets_mm.c"
+/*
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ */
+
+#define ASM_OFFSETS_C
+
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <linux/kbuild.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/amigahw.h>
+#include <linux/font.h>
+
+int main(void)
+{
+	/* offsets into the task struct */
+	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
+	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
+	DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
+	DEFINE(TASK_TINFO, offsetof(struct task_struct, thread.info));
+
+	/* offsets into the thread struct */
+	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
+	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
+	DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
+	DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
+	DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
+	DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
+	DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
+	DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
+	DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
+
+	/* offsets into the thread_info struct */
+	DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
+	DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
+
+	/* offsets into the pt_regs */
+	DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
+	DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0));
+	DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1));
+	DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2));
+	DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3));
+	DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4));
+	DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5));
+	DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0));
+	DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1));
+	DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
+	DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
+	DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
+
+	/* bitfields are a bit difficult */
+#ifdef CONFIG_COLDFIRE
+	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
 #else
-#include "asm-offsets_no.c"
+	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
+#endif
+
+	/* offsets into the irq_cpustat_t struct */
+	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
+
+	/* signal defines */
+	DEFINE(LSIGSEGV, SIGSEGV);
+	DEFINE(LSEGV_MAPERR, SEGV_MAPERR);
+	DEFINE(LSIGTRAP, SIGTRAP);
+	DEFINE(LTRAP_TRACE, TRAP_TRACE);
+
+#ifdef CONFIG_MMU
+	/* offsets into the bi_record struct */
+	DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
+	DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
+	DEFINE(BIR_DATA, offsetof(struct bi_record, data));
+
+	/* offsets into font_desc (drivers/video/console/font.h) */
+	DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
+	DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
+	DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
+	DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
+	DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
+	DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
+
+	/* offsets into the custom struct */
+	DEFINE(CUSTOMBASE, &amiga_custom);
+	DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
+	DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
+	DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
+	DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
+	DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
+	DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
+	DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
+	DEFINE(CIAABASE, &ciaa);
+	DEFINE(CIABBASE, &ciab);
+	DEFINE(C_PRA, offsetof(struct CIA, pra));
+	DEFINE(ZTWOBASE, zTwoBase);
 #endif
+
+	return 0;
+}

arch/m68k/kernel/entry_no.S

@@ -24,7 +24,6 @@
  * linux 2.4 support David McCullough <davidm@snapgear.com>
  */
 
-#include <linux/sys.h>
 #include <linux/linkage.h>
 #include <asm/errno.h>
 #include <asm/setup.h>

arch/m68k/kernel/irq.c

@@ -28,31 +28,3 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
 
 	set_irq_regs(oldregs);
 }
-
-int show_interrupts(struct seq_file *p, void *v)
-{
-	struct irqaction *ap;
-	int irq = *((loff_t *) v);
-
-	if (irq == 0)
-		seq_puts(p, "           CPU0\n");
-
-	if (irq < NR_IRQS) {
-		struct irq_desc *desc = irq_to_desc(irq);
-
-		ap = desc->action;
-		if (ap) {
-			seq_printf(p, "%3d: ", irq);
-			seq_printf(p, "%10u ", kstat_irqs(irq));
-			seq_printf(p, "%14s  ", irq_desc_get_chip(desc)->name);
-
-			seq_printf(p, "%s", ap->name);
-			for (ap = ap->next; ap; ap = ap->next)
-				seq_printf(p, ", %s", ap->name);
-			seq_putc(p, '\n');
-		}
-	}
-
-	return 0;
-}
-