31 lines
1 KiB
Diff
31 lines
1 KiB
Diff
Index: linux-2.6.25.4/arch/arm/common/dmabounce.c
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===================================================================
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--- linux-2.6.25.4.orig/arch/arm/common/dmabounce.c
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+++ linux-2.6.25.4/arch/arm/common/dmabounce.c
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@@ -117,6 +117,10 @@ alloc_safe_buffer(struct dmabounce_devic
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} else if (size <= device_info->large.size) {
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pool = &device_info->large;
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} else {
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+#ifdef CONFIG_DMABOUNCE_DEBUG
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+ printk(KERN_INFO "A dma bounce buffer outside the pool size was requested. Requested size was 0x%08X\nThe calling code was :\n", size);
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+ dump_stack();
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+#endif
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pool = NULL;
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}
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Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig
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===================================================================
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--- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Kconfig
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+++ linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig
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@@ -236,6 +236,11 @@ config DMABOUNCE
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default y
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depends on PCI
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+config DMABOUNCE_DEBUG
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+ bool "Enable DMABounce debuging"
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+ default n
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+ depends on DMABOUNCE
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+
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config IXP4XX_INDIRECT_PCI
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bool "Use indirect PCI memory access"
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depends on PCI
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