Convert device-tree debugging to 'Kconfig' as
CONFIG_DEVICE_TREE_DEBUG.
The option is not enabled by default because the output is very
verbose.
Signed-off-by: Julien Grall <julien.gr...@arm.com>
Reviewed-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
---
Changes in v2:
- Fix typoes in the commit message and the Kconfig description
- Update the Kconfig description
- Add Edgar's reviewed-by
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: George Dunlap <george.dun...@eu.citrix.com>
Cc: Ian Jackson <ian.jack...@eu.citrix.com>
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Cc: Stefano Stabellini <sstabell...@kernel.org>
Cc: Tim Deegan <t...@xen.org>
Cc: Wei Liu <wei.l...@citrix.com>
Cc: Doug Goldstein <car...@cardoe.com>
---
xen/Kconfig.debug | 8 ++++++++
xen/arch/arm/domain_build.c | 4 +---
xen/common/device_tree.c | 4 +---
3 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/xen/Kconfig.debug b/xen/Kconfig.debug
index 303bf36..360c3be 100644
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@ -55,6 +55,14 @@ config VERBOSE_DEBUG
Guest output from HYPERVISOR_console_io and hypervisor parsing
ELF images (dom0) is logged in the Xen ring buffer.
+config DEVICE_TREE_DEBUG
+ bool "Device tree debug messages"
+ depends on HAS_DEVICE_TREE
+ ---help---
+ Device tree parsing and DOM0 device tree building messages are
+ logged in the Xen ring buffer.
+ If unsure, say N here.
+
endif # DEBUG || EXPERT
endmenu
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 00dc07a..fb035ff 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -42,9 +42,7 @@ static void __init parse_dom0_mem(const char *s)
}
custom_param("dom0_mem", parse_dom0_mem);
-//#define DEBUG_DT
-
-#ifdef DEBUG_DT
+#ifdef CONFIG_DEVICE_TREE_DEBUG
# define DPRINT(fmt, args...) printk(XENLOG_DEBUG fmt, ##args)
#else
# define DPRINT(fmt, args...) do {} while ( 0 )
diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index 06a2837..0df2e4b 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -54,9 +54,7 @@ struct dt_alias_prop {
static LIST_HEAD(aliases_lookup);
-// #define DEBUG_DT
-
-#ifdef DEBUG_DT
+#ifdef CONFIG_DEVICE_TREE_DEBUG
# define dt_dprintk(fmt, args...) printk(XENLOG_DEBUG fmt, ##args)
static void dt_dump_addr(const char *s, const __be32 *addr, int na)
{
--
1.9.1
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