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path: root/target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch
blob: f4910261e3cc37ae5ffa4e66a527286e974d8b3c (plain)
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Index: linux-2.6.23.14/arch/arm/common/dmabounce.c
===================================================================
--- linux-2.6.23.14.orig/arch/arm/common/dmabounce.c	2008-01-24 22:03:28.475500801 +0100
+++ linux-2.6.23.14/arch/arm/common/dmabounce.c	2008-01-24 22:17:36.415822168 +0100
@@ -116,6 +116,10 @@
 	} else if (size <= device_info->large.size) {
 		pool = &device_info->large;
 	} else {
+#ifdef CONFIG_DMABOUNCE_DEBUG
+		printk(KERN_INFO "A dma bounce buffer outside the pool size was requested. Requested size was 0x%08X\nThe calling code was :\n", size);
+		dump_stack();
+#endif
 		pool = NULL;
 	}
 
Index: linux-2.6.23.14/arch/arm/mach-ixp4xx/Kconfig
===================================================================
--- linux-2.6.23.14.orig/arch/arm/mach-ixp4xx/Kconfig	2008-01-24 22:10:29.331484012 +0100
+++ linux-2.6.23.14/arch/arm/mach-ixp4xx/Kconfig	2008-01-24 22:11:42.891675973 +0100
@@ -220,6 +220,11 @@
 	default y
 	depends on PCI
 
+config DMABOUNCE_DEBUG
+	bool "Enable DMABounce debuging"
+	default n
+	depends on DMABOUNCE
+
 config IXP4XX_INDIRECT_PCI
 	bool "Use indirect PCI memory access"
 	depends on PCI