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author | 2009-12-09 19:03:16 -0800 | |
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committer | 2009-12-09 19:03:16 -0800 | |
commit | 3a43aaa31790c36b69ebf8a6396f37fade86b531 (patch) | |
tree | 7c7f8da6219d546f2b44534cb7be1fb5591d6ac4 /arch/sh/mm/consistent.c | |
parent | Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci (diff) | |
parent | sh: include empty zero page in romImage (diff) | |
download | linux-dev-3a43aaa31790c36b69ebf8a6396f37fade86b531.tar.xz linux-dev-3a43aaa31790c36b69ebf8a6396f37fade86b531.zip |
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/mm/consistent.c')
-rw-r--r-- | arch/sh/mm/consistent.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index e098ec158ddb..902967e3f841 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -15,11 +15,15 @@ #include <linux/dma-mapping.h> #include <linux/dma-debug.h> #include <linux/io.h> +#include <linux/module.h> #include <asm/cacheflush.h> #include <asm/addrspace.h> #define PREALLOC_DMA_DEBUG_ENTRIES 4096 +struct dma_map_ops *dma_ops; +EXPORT_SYMBOL(dma_ops); + static int __init dma_init(void) { dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES); @@ -27,15 +31,12 @@ static int __init dma_init(void) } fs_initcall(dma_init); -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +void *dma_generic_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) { void *ret, *ret_nocache; int order = get_order(size); - if (dma_alloc_from_coherent(dev, size, dma_handle, &ret)) - return ret; - ret = (void *)__get_free_pages(gfp, order); if (!ret) return NULL; @@ -57,35 +58,26 @@ void *dma_alloc_coherent(struct device *dev, size_t size, *dma_handle = virt_to_phys(ret); - debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache); - return ret_nocache; } -EXPORT_SYMBOL(dma_alloc_coherent); -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +void dma_generic_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) { int order = get_order(size); unsigned long pfn = dma_handle >> PAGE_SHIFT; int k; - WARN_ON(irqs_disabled()); /* for portability */ - - if (dma_release_from_coherent(dev, order, vaddr)) - return; - - debug_dma_free_coherent(dev, size, vaddr, dma_handle); for (k = 0; k < (1 << order); k++) __free_pages(pfn_to_page(pfn + k), 0); + iounmap(vaddr); } -EXPORT_SYMBOL(dma_free_coherent); void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { -#ifdef CONFIG_CPU_SH5 +#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB) void *p1addr = vaddr; #else void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr); |