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authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-08 05:40:17 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-08 05:40:17 -0400
commit0223f9aaef94a09ffc0b6abcba732e62a483b88c (patch)
tree3cf04190e2698415d6e80756c9fb4516f190c671 /arch
parent8a9e838f59115e55ca206fb5f0b567d7b3540517 (diff)
parent24cae7934cf1455c9793a95376a206ca6b965ade (diff)
downloadlinux-0223f9aaef94a09ffc0b6abcba732e62a483b88c.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/m68k/Kconfig.devices2
-rw-r--r--arch/m68k/atari/stram.c1
-rw-r--r--arch/m68k/include/asm/io_mm.h9
-rw-r--r--arch/m68k/mm/hwtest.c78
4 files changed, 53 insertions, 37 deletions
diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
index 2a74777667fd..42b6fcfc30ef 100644
--- a/arch/m68k/Kconfig.devices
+++ b/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.
diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index 5f8cb5a234d9..c83d66442612 100644
--- a/arch/m68k/atari/stram.c
+++ b/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>
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index ffdf54f44bc6..8955b40a5dc4 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/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 */
diff --git a/arch/m68k/mm/hwtest.c b/arch/m68k/mm/hwtest.c
index 2c7dde3c6430..fb8be4dd38c4 100644
--- a/arch/m68k/mm/hwtest.c
+++ b/arch/m68k/mm/hwtest.c
@@ -25,29 +25,32 @@
#include <linux/module.h>
-int hwreg_present( volatile void *regp )
+int hwreg_present(volatile void *regp)
{
- int ret = 0;
- long save_sp, save_vbr;
- long tmp_vectors[3];
+ int ret = 0;
+ unsigned long flags;
+ long save_sp, save_vbr;
+ long tmp_vectors[3];
- __asm__ __volatile__
- ( "movec %/vbr,%2\n\t"
- "movel #Lberr1,%4@(8)\n\t"
- "movec %4,%/vbr\n\t"
- "movel %/sp,%1\n\t"
- "moveq #0,%0\n\t"
- "tstb %3@\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"
+ "moveq #0,%0\n\t"
+ "tstb %3@\n\t"
"nop\n\t"
- "moveq #1,%0\n"
- "Lberr1:\n\t"
- "movel %1,%/sp\n\t"
- "movec %2,%/vbr"
+ "moveq #1,%0\n"
+ "Lberr1:\n\t"
+ "movel %1,%/sp\n\t"
+ "movec %2,%/vbr"
: "=&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);
@@ -55,31 +58,36 @@ 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;
- long save_sp, save_vbr;
- long tmp_vectors[3];
+ int ret;
+ unsigned long flags;
+ long save_sp, save_vbr;
+ long tmp_vectors[3];
- __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! */
- "moveq #1,%0\n"
+ 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!
+ */
+ "moveq #1,%0\n"
"Lberr2:\n\t"
- "movel %1,%/sp\n\t"
- "movec %2,%/vbr"
+ "movel %1,%/sp\n\t"
+ "movec %2,%/vbr"
: "=&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);