diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 22:03:16 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 22:03:16 -0500 |
| commit | 3a43aaa31790c36b69ebf8a6396f37fade86b531 (patch) | |
| tree | 7c7f8da6219d546f2b44534cb7be1fb5591d6ac4 /arch/sh/kernel/irq_32.c | |
| parent | aed886ce777590eac87f7ce2897d9f8357754331 (diff) | |
| parent | 6a5a0b9139b19dd1a107870269a35bc9cf18d2dc (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (137 commits)
sh: include empty zero page in romImage
sh: Make associative cache writes fatal on all SH-4A parts.
sh: Drop associative writes for SH-4 cache flushes.
sh: Partial revert of copy/clear_user_highpage() optimizations.
sh: Add default uImage rule for se7724, ap325rxa, and migor.
sh: allow runtime pm without suspend/resume callbacks
sh: mach-ecovec24: Remove un-defined settings for VPU
sh: mach-ecovec24: LCDC drive ability become high
sh: fix sh7724 VEU3F resource size
serial: sh-sci: Fix too early port disabling.
sh: pfc: pr_info() -> pr_debug() cleanups.
sh: pfc: Convert from ctrl_xxx() to __raw_xxx() I/O routines.
sh: Improve kfr2r09 serial port setup code
sh: Break out SuperH PFC code
sh: Move KEYSC header file
sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
sh: Add CPG save/restore code for sh7724 R-standby
sh: Add SDHI power control support to Ecovec
mfd: Add power control platform data to SDHI driver
sh: mach-ecovec24: modify address map
...
Diffstat (limited to 'arch/sh/kernel/irq_32.c')
| -rw-r--r-- | arch/sh/kernel/irq_32.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sh/kernel/irq_32.c b/arch/sh/kernel/irq_32.c new file mode 100644 index 000000000000..e33ab15831f9 --- /dev/null +++ b/arch/sh/kernel/irq_32.c | |||
| @@ -0,0 +1,57 @@ | |||
| 1 | /* | ||
| 2 | * SHcompact irqflags support | ||
| 3 | * | ||
| 4 | * Copyright (C) 2006 - 2009 Paul Mundt | ||
| 5 | * | ||
| 6 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 7 | * License. See the file "COPYING" in the main directory of this archive | ||
| 8 | * for more details. | ||
| 9 | */ | ||
| 10 | #include <linux/irqflags.h> | ||
| 11 | #include <linux/module.h> | ||
| 12 | |||
| 13 | void notrace raw_local_irq_restore(unsigned long flags) | ||
| 14 | { | ||
| 15 | unsigned long __dummy0, __dummy1; | ||
| 16 | |||
| 17 | if (flags == RAW_IRQ_DISABLED) { | ||
| 18 | __asm__ __volatile__ ( | ||
| 19 | "stc sr, %0\n\t" | ||
| 20 | "or #0xf0, %0\n\t" | ||
| 21 | "ldc %0, sr\n\t" | ||
| 22 | : "=&z" (__dummy0) | ||
| 23 | : /* no inputs */ | ||
| 24 | : "memory" | ||
| 25 | ); | ||
| 26 | } else { | ||
| 27 | __asm__ __volatile__ ( | ||
| 28 | "stc sr, %0\n\t" | ||
| 29 | "and %1, %0\n\t" | ||
| 30 | #ifdef CONFIG_CPU_HAS_SR_RB | ||
| 31 | "stc r6_bank, %1\n\t" | ||
| 32 | "or %1, %0\n\t" | ||
| 33 | #endif | ||
| 34 | "ldc %0, sr\n\t" | ||
| 35 | : "=&r" (__dummy0), "=r" (__dummy1) | ||
| 36 | : "1" (~RAW_IRQ_DISABLED) | ||
| 37 | : "memory" | ||
| 38 | ); | ||
| 39 | } | ||
| 40 | } | ||
| 41 | EXPORT_SYMBOL(raw_local_irq_restore); | ||
| 42 | |||
| 43 | unsigned long notrace __raw_local_save_flags(void) | ||
| 44 | { | ||
| 45 | unsigned long flags; | ||
| 46 | |||
| 47 | __asm__ __volatile__ ( | ||
| 48 | "stc sr, %0\n\t" | ||
| 49 | "and #0xf0, %0\n\t" | ||
| 50 | : "=&z" (flags) | ||
| 51 | : /* no inputs */ | ||
| 52 | : "memory" | ||
| 53 | ); | ||
| 54 | |||
| 55 | return flags; | ||
| 56 | } | ||
| 57 | EXPORT_SYMBOL(__raw_local_save_flags); | ||
