[PATCH] cxl: add option to enable -DDEBUG
From: Andrew Donnellan <hidden>
Date: 2016-07-18 08:18:00
Subsystem:
char and misc drivers, the rest · Maintainers:
Arnd Bergmann, Greg Kroah-Hartman, Linus Torvalds
Developers working on AFUs and AFU drivers often find it useful to see the pr_devel() and dev_dbg() messages from cxl. Give them an easy way to enable -DDEBUG by adding a Kconfig option, CONFIG_CXL_DEBUG. Inspired-by: Uma Krishnan [off-list ref] Signed-off-by: Andrew Donnellan <redacted> --- drivers/misc/cxl/Kconfig | 12 ++++++++++++ drivers/misc/cxl/Makefile | 1 + 2 files changed, 13 insertions(+)
diff --git a/drivers/misc/cxl/Kconfig b/drivers/misc/cxl/Kconfig
index b75cf83..88ad9f1 100644
--- a/drivers/misc/cxl/Kconfig
+++ b/drivers/misc/cxl/Kconfig@@ -36,3 +36,15 @@ config CXL_BIMODAL help Select this option to enable support for bi-modal CAPI cards, such as the Mellanox CX-4. + +config CXL_DEBUG + bool "Enable additional CXL debug output" + depends on CXL + default n + help + Select this option to enable additional debug output from the cxl + driver. This may be useful if you're developing or debugging a CAPI + Accelerator Function Unit or cxl-dependent device driver, but is + generally not useful for end users. + + If unsure, say N.
diff --git a/drivers/misc/cxl/Makefile b/drivers/misc/cxl/Makefile
index 8a55c1a..620b132 100644
--- a/drivers/misc/cxl/Makefile
+++ b/drivers/misc/cxl/Makefile@@ -1,5 +1,6 @@ ccflags-y := $(call cc-disable-warning, unused-const-variable) ccflags-$(CONFIG_PPC_WERROR) += -Werror +ccflags-$(CONFIG_CXL_DEBUG) += -DDEBUG cxl-y += main.o file.o irq.o fault.o native.o cxl-y += context.o sysfs.o debugfs.o pci.o trace.o
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com IBM Australia Limited