Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:
 "Summary:
  - a fix for an intermittent crash in macsonic and hilkbd, marked for
    stable,
  - build fixes for uncommon configs.

  Note: "m68k: AMIGA_BUILTIN_SERIAL should depend on TTY" was also
  picked up by GregKH for his TTY/Serial patches tree"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Reformat arch/m68k/mm/hwtest.c
  m68k: Disable/restore interrupts in hwreg_present()/hwreg_write()
  m68k: AMIGA_BUILTIN_SERIAL should depend on TTY
  m68k: Add missing ioport_unmap()
  m68k/atari - stram: Add missing #include <linux/ioport.h>

arch/m68k/Kconfig.devices

@@ -95,7 +95,7 @@ config ATARI_DSP56K
 
 config AMIGA_BUILTIN_SERIAL
 	tristate "Amiga builtin serial support"
-	depends on AMIGA
+	depends on AMIGA && TTY
 	help
 	  If you want to use your Amiga's built-in serial port in Linux,
 	  answer Y.

arch/m68k/atari/stram.c

@@ -21,6 +21,7 @@
 #include <linux/mount.h>
 #include <linux/blkdev.h>
 #include <linux/module.h>
+#include <linux/ioport.h>
 
 #include <asm/setup.h>
 #include <asm/machdep.h>

arch/m68k/include/asm/io_mm.h

@@ -510,6 +510,13 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int
  */
 #define xlate_dev_kmem_ptr(p)	p
 
-#define ioport_map(port, nr)	((void __iomem *)(port))
+static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+	return (void __iomem *) port;
+}
+
+static inline void ioport_unmap(void __iomem *p)
+{
+}
 
 #endif /* _IO_H */

arch/m68k/mm/hwtest.c

@@ -25,14 +25,16 @@
 
 #include <linux/module.h>
 
-int hwreg_present( volatile void *regp )
+int hwreg_present(volatile void *regp)
 {
 	int ret = 0;
+	unsigned long flags;
 	long save_sp, save_vbr;
 	long tmp_vectors[3];
 
-    __asm__ __volatile__
-	(	"movec	%/vbr,%2\n\t"
+	local_irq_save(flags);
+	__asm__ __volatile__ (
+		"movec %/vbr,%2\n\t"
 		"movel #Lberr1,%4@(8)\n\t"
 		"movec %4,%/vbr\n\t"
 		"movel %/sp,%1\n\t"
@@ -46,8 +48,9 @@ int hwreg_present( volatile void *regp )
 		: "=&d" (ret), "=&r" (save_sp), "=&r" (save_vbr)
 		: "a" (regp), "a" (tmp_vectors)
 	);
+	local_irq_restore(flags);
 
-    return( ret );
+	return ret;
 }
 EXPORT_SYMBOL(hwreg_present);
 
@@ -55,22 +58,26 @@ EXPORT_SYMBOL(hwreg_present);
  * by a bus error handler. Returns 1 if successful, 0 otherwise.
  */
 
-int hwreg_write( volatile void *regp, unsigned short val )
+int hwreg_write(volatile void *regp, unsigned short val)
 {
 	int ret;
+	unsigned long flags;
 	long save_sp, save_vbr;
 	long tmp_vectors[3];
 
-	__asm__ __volatile__
-	(	"movec	%/vbr,%2\n\t"
+	local_irq_save(flags);
+	__asm__ __volatile__ (
+		"movec %/vbr,%2\n\t"
 		"movel #Lberr2,%4@(8)\n\t"
 		"movec %4,%/vbr\n\t"
 		"movel %/sp,%1\n\t"
 		"moveq #0,%0\n\t"
 		"movew %5,%3@\n\t"
-		"nop	\n\t"	/* If this nop isn't present, 'ret' may already be
-				 * loaded with 1 at the time the bus error
-				 * happens! */
+		"nop\n\t"
+		/*
+		 * If this nop isn't present, 'ret' may already be loaded
+		 * with 1 at the time the bus error happens!
+		 */
 		"moveq #1,%0\n"
 	"Lberr2:\n\t"
 		"movel %1,%/sp\n\t"
@@ -78,8 +85,9 @@ int hwreg_write( volatile void *regp, unsigned short val )
 		: "=&d" (ret), "=&r" (save_sp), "=&r" (save_vbr)
 		: "a" (regp), "a" (tmp_vectors), "g" (val)
 	);
+	local_irq_restore(flags);
 
-	return( ret );
+	return ret;
 }
 EXPORT_SYMBOL(hwreg_write);