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Subjectmainline build failure for arm64 allmodconfig with clang
Hi All,

The latest mainline kernel branch fails to build for arm64 allmodconfig
with clang. The errors are:

sound/soc/sof/ipc3-topology.c:2343:4: error: format specifies type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH);
^~~~~~~~~~~~~
./include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info'
dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
./include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
./include/uapi/sound/sof/abi.h:30:23: note: expanded from macro 'SOF_ABI_MAJOR'
#define SOF_ABI_MAJOR 3
^
sound/soc/sof/ipc3-topology.c:2343:19: error: format specifies type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH);
^~~~~~~~~~~~~
./include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info'
dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
./include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
./include/uapi/sound/sof/abi.h:31:23: note: expanded from macro 'SOF_ABI_MINOR'
#define SOF_ABI_MINOR 23
^~
sound/soc/sof/ipc3-topology.c:2343:34: error: format specifies type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH);
^~~~~~~~~~~~~
./include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info'
dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
./include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
./include/uapi/sound/sof/abi.h:32:23: note: expanded from macro 'SOF_ABI_PATCH'
#define SOF_ABI_PATCH 0
^
3 errors generated.

drivers/ntb/hw/idt/ntb_hw_idt.c:2409:28: error: format specifies type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
"\t%hhu-%hhu.\t", idx, idx + cnt - 1);
~~~~ ^~~~~~~~~~~~~
%d
drivers/ntb/hw/idt/ntb_hw_idt.c:2438:29: error: format specifies type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
"\t%hhu-%hhu.\t", idx, idx + cnt - 1);
~~~~ ^~~~~~~~~~~~~
%d
drivers/ntb/hw/idt/ntb_hw_idt.c:2484:15: error: format specifies type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
idx, data, src, ndev->peers[src].port);
^~~
3 errors generated.

For both, git bisect points to 0af5cb349a2c ("Merge tag 'kbuild-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild")

The last good build for arm64 clang was with e394ff83bbca ("Merge tag 'nfsd-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux")

I will be happy to test any patch or provide any extra log if needed.


--
Regards
Sudip

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