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diff --git a/kernel/drivers/infiniband/hw/mthca/Kconfig b/kernel/drivers/infiniband/hw/mthca/Kconfig
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+config INFINIBAND_MTHCA
+ tristate "Mellanox HCA support"
+ depends on PCI
+ ---help---
+ This is a low-level driver for Mellanox InfiniHost host
+ channel adapters (HCAs), including the MT23108 PCI-X HCA
+ ("Tavor") and the MT25208 PCI Express HCA ("Arbel").
+
+config INFINIBAND_MTHCA_DEBUG
+ bool "Verbose debugging output" if EXPERT
+ depends on INFINIBAND_MTHCA
+ default y
+ ---help---
+ This option causes debugging code to be compiled into the
+ mthca driver. The output can be turned on via the
+ debug_level module parameter (which can also be set after
+ the driver is loaded through sysfs).