added dmabounce debug code to ixp4xx
SVN-Revision: 10240
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2 changed files with 32 additions and 0 deletions
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@ -85,6 +85,7 @@ CONFIG_DLCI_COUNT=24
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CONFIG_DLCI_MAX=8
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# CONFIG_DM9000 is not set
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CONFIG_DMABOUNCE=y
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CONFIG_DMABOUNCE_DEBUG=y
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CONFIG_DNOTIFY=y
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# CONFIG_DSCC4 is not set
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# CONFIG_E100 is not set
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31
target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch
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31
target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch
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@ -0,0 +1,31 @@
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Index: linux-2.6.23.14/arch/arm/common/dmabounce.c
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===================================================================
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--- linux-2.6.23.14.orig/arch/arm/common/dmabounce.c 2008-01-24 22:03:28.475500801 +0100
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+++ linux-2.6.23.14/arch/arm/common/dmabounce.c 2008-01-24 22:17:36.415822168 +0100
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@@ -116,6 +116,10 @@
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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-2.6.23.14/arch/arm/mach-ixp4xx/Kconfig
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===================================================================
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--- linux-2.6.23.14.orig/arch/arm/mach-ixp4xx/Kconfig 2008-01-24 22:10:29.331484012 +0100
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+++ linux-2.6.23.14/arch/arm/mach-ixp4xx/Kconfig 2008-01-24 22:11:42.891675973 +0100
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@@ -220,6 +220,11 @@
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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 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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