Re: [v3,17/19] arch/sparc: Implement fb_is_primary_device() in source file

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On 6/24/23 02:27, Arnd Bergmann wrote:
On Sat, Jun 24, 2023, at 03:55, Guenter Roeck wrote:

On Mon, Apr 17, 2023 at 02:56:49PM +0200, Thomas Zimmermann wrote:
Other architectures implment fb_is_primary_device() in a source
file. Do the same on sparc. No functional changes, but allows to
remove several include statement from <asm/fb.h>.

v2:
	* don't include <asm/prom.h> in header file

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>

This patch results (or appears to result) in the following build error
when trying to build sparc64:allmodconfig.

Error log:
<stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
WARNING: modpost: drivers/cpufreq/sparc-us2e-cpufreq: section mismatch
in reference: cpufreq_us2e_driver+0x20 (section: .data) ->
us2e_freq_cpu_init (section: .init.text)
WARNING: modpost: drivers/cpufreq/sparc-us3-cpufreq: section mismatch
in reference: cpufreq_us3_driver+0x20 (section: .data) ->
us3_freq_cpu_init (section: .init.text)
ERROR: modpost: "__xchg_called_with_bad_pointer" [lib/atomic64_test.ko]
undefined!

These all look like old bugs that would be trivially fixed if
anyone cared about sparc.


Odd argument, given that this _is_ a sparc patch. Those may be old
bugs, but at least in 6.4-rc7 sparc64:allmodconfig does at least compile.

Sure, I can stop build testing it if that is where things are going.

Guenter

ERROR: modpost: missing MODULE_LICENSE() in arch/sparc/video/fbdev.o

I checked that there are no callers of fb_is_primary_device()
in built-in code when CONFIG_FB is =m, so adding the MODULE_LICENSE()
and MODULE_DESCRIPTION() tags to the file is the correct fix.

     Arnd




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