From de3b65f26a0813678a1f4f66fdd7c26d3b753013 Mon Sep 17 00:00:00 2001 From: blogic Date: Thu, 24 Jan 2008 21:26:37 +0000 Subject: added dmabounce debug code to ixp4xx git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10240 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../ixp4xx/patches-2.6.23/400-dmabounce.patch | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch (limited to 'target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch') diff --git a/target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch b/target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch new file mode 100644 index 000000000..481b443a5 --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch @@ -0,0 +1,31 @@ +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 DMABOUNCE ++ + config IXP4XX_INDIRECT_PCI + bool "Use indirect PCI memory access" + depends on PCI -- cgit v1.2.3