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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-17 16:38:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-17 16:38:06 -0800
commitdbfc985195410dad803c845743c63cd73bd1fe32 (patch)
tree6bf6dbecb92539285ebb89948e63e691a0947941 /arch/mips/include/asm/mach-loongson/dma-coherence.h
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable (diff)
parentMIPS: Lasat: Fix botched changes to sysctl code. (diff)
downloadlinux-dev-dbfc985195410dad803c845743c63cd73bd1fe32.tar.xz
linux-dev-dbfc985195410dad803c845743c63cd73bd1fe32.zip
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (71 commits) MIPS: Lasat: Fix botched changes to sysctl code. RTC: rtc-cmos.c: Fix warning on MIPS MIPS: Cleanup random differences beween lmo and Linus' kernel. MIPS: No longer hardwire CONFIG_EMBEDDED to y MIPS: Fix and enhance built-in kernel command line MIPS: eXcite: Remove platform. MIPS: Loongson: Cleanups of serial port support MIPS: Lemote 2F: Suspend CS5536 MFGPT Timer MIPS: Excite: move iodev_remove to .devexit.text MIPS: Lasat: Convert to proc_fops / seq_file MIPS: Cleanup signal code initialization MIPS: Modularize COP2 handling MIPS: Move EARLY_PRINTK to Kconfig.debug MIPS: Yeeloong 2F: Cleanup reset logic using the new ec_write function MIPS: Yeeloong 2F: Add LID open event as the wakeup event MIPS: Yeeloong 2F: Add basic EC operations MIPS: Move several variables from .bss to .init.data MIPS: Tracing: Make function graph tracer work with -mmcount-ra-address MIPS: Tracing: Reserve $12(t0) for mcount-ra-address of gcc 4.5 MIPS: Tracing: Make ftrace for MIPS work without -fno-omit-frame-pointer ...
Diffstat (limited to 'arch/mips/include/asm/mach-loongson/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-loongson/dma-coherence.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson/dma-coherence.h b/arch/mips/include/asm/mach-loongson/dma-coherence.h
index 71a6851ba833..981c75f91a7d 100644
--- a/arch/mips/include/asm/mach-loongson/dma-coherence.h
+++ b/arch/mips/include/asm/mach-loongson/dma-coherence.h
@@ -28,7 +28,11 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
+#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
+ return (dma_addr > 0x8fffffff) ? dma_addr : (dma_addr & 0x0fffffff);
+#else
return dma_addr & 0x7fffffff;
+#endif
}
static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,