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openwrt-xburst/target/linux/ixp4xx/patches-2.6.34/601-arm-dma_free_coherent.patch
juhosg b917bcd235 ixp4xx: refresh patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22649 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-08-14 21:07:42 +00:00

13 lines
464 B
Diff

--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -381,7 +381,8 @@ EXPORT_SYMBOL(dma_mmap_writecombine);
*/
void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle)
{
- WARN_ON(irqs_disabled());
+ if (irqs_disabled()) /* don't want stack dumps for these! */
+ printk("WARNING: at %s:%d %s()\n", __FILE__, __LINE__, __FUNCTION__);
if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
return;