[PATCH] lib: math: test_mul_u64_u64_div_u64: define div64_s64_rem

[PATCH] lib: math: test_mul_u64_u64_div_u64: define div64_s64_rem

[Rodrigo Alencar via B4 Relay]

From: Rodrigo Alencar <rodrigo.alencar@analog.com>

Define div64_s64_rem to avoid multiple definition or exports.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202606152154.P6pwbjhp-lkp@intel.com/
Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
---
Recently added div64_s64_rem() is causing issues in a the
test build. This could be a fixup patch amended to:

https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?h=testing&id=adebf76278116a06166d0b5f8b4112ad5dd6389a
---
 lib/math/test_mul_u64_u64_div_u64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/math/test_mul_u64_u64_div_u64.c b/lib/math/test_mul_u64_u64_div_u64.c
index 338d014f0c73..d12dc05938fb 100644
--- a/lib/math/test_mul_u64_u64_div_u64.c
+++ b/lib/math/test_mul_u64_u64_div_u64.c
@@ -157,6 +157,7 @@ static void __exit test_exit(void)
 #define __div64_32 __div64_32
 #define div_s64_rem div_s64_rem
 #define div64_u64_rem div64_u64_rem
+#define div64_s64_rem div64_s64_rem
 #define div64_u64 div64_u64
 #define div64_s64 div64_s64
 #define iter_div_u64_rem iter_div_u64_rem

---
base-commit: a50909aa46dec46de3c73235fc15a7d6f763d996
change-id: 20260615-test-mul-div-u64-fixup-501594e578b4

Best regards,
-- 
Rodrigo Alencar <rodrigo.alencar@analog.com>

Re: [PATCH] lib: math: test_mul_u64_u64_div_u64: define div64_s64_rem

[Andy Shevchenko]

On Mon, Jun 15, 2026 at 04:51:15PM +0100, Rodrigo Alencar via B4 Relay wrote:
> 
> Define div64_s64_rem to avoid multiple definition or exports.

Thanks for fixing this.

> ---
> Recently added div64_s64_rem() is causing issues in a the
> test build. This could be a fixup patch amended to:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?h=testing&id=adebf76278116a06166d0b5f8b4112ad5dd6389a

I agree with this. Since the testing branch is subject to rebase on top of
-rc1, this can be also injected before or during that time.

-- 
With Best Regards,
Andy Shevchenko

Re: [PATCH] lib: math: test_mul_u64_u64_div_u64: define div64_s64_rem

[Jonathan Cameron]

On Tue, 16 Jun 2026 10:39:44 +0300
Andy Shevchenko <andriy.shevchenko@intel.com> wrote:

> On Mon, Jun 15, 2026 at 04:51:15PM +0100, Rodrigo Alencar via B4 Relay wrote:
> > 
> > Define div64_s64_rem to avoid multiple definition or exports.  
> 
> Thanks for fixing this.
> 
> > ---
> > Recently added div64_s64_rem() is causing issues in a the
> > test build. This could be a fixup patch amended to:
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?h=testing&id=adebf76278116a06166d0b5f8b4112ad5dd6389a  
> 
> I agree with this. Since the testing branch is subject to rebase on top of
> -rc1, this can be also injected before or during that time.
> 
Smashed into original patch as a fixup.

Thanks,

Jonathan