From: Ferruh Yigit <ferruh.yi...@intel.com>

%lx or %llx tend to be wrong for 32-bit platform
if used for fixed size variable like uint64_t.
A checkpatch warning will avoid this common mistake.

Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com>
Signed-off-by: Thomas Monjalon <tho...@monjalon.net>
---
v2: proposal to reword the message and comment
---
 devtools/checkpatches.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/devtools/checkpatches.sh b/devtools/checkpatches.sh
index db4c7d8301..0e09b2cab8 100755
--- a/devtools/checkpatches.sh
+++ b/devtools/checkpatches.sh
@@ -69,6 +69,14 @@ check_forbidden_additions() { # <patch>
                -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
                "$1" || res=1
 
+       # check %l or %ll format specifier
+       awk -v FOLDERS='lib drivers app examples' \
+               -v EXPRESSIONS='%ll*[xud]' \
+               -v RET_ON_FAIL=1 \
+               -v MESSAGE='Using %l format, should it be %PRI*64?' \
+               -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+               "$1" || res=1
+
        # forbid variable declaration inside "for" loop
        awk -v FOLDERS='.' \
                -v 
EXPRESSIONS='for[[:space:]]*\\((char|u?int|unsigned|s?size_t)' \
-- 
2.31.1

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