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authorJoerg Roedel <joerg.roedel@amd.com>2009-05-22 21:49:51 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2009-06-02 16:21:41 +0200
commit1745de5e5639457513fe43440f2800e23c3cbc7d (patch)
tree0323bd8756c0b42060724ce282facce2a885c9a2 /Documentation
parent8a6fc708b9bb48a79a385bdc2be0959ee2ab788d (diff)
dma-debug: add dma_debug_driver kernel command line
This patch add the dma_debug_driver= boot parameter to enable the driver filter for early boot. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e87bdbfbcc7..b3f1314588c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -646,6 +646,13 @@ and is between 256 and 4096 characters. It is defined in the file
DMA-API debugging code disables itself because the
architectural default is too low.
+ dma_debug_driver=<driver_name>
+ With this option the DMA-API debugging driver
+ filter feature can be enabled at boot time. Just
+ pass the driver to filter for as the parameter.
+ The filter can be disabled or changed to another
+ driver later using sysfs.
+
dscc4.setup= [NET]
dtc3181e= [HW,SCSI]