* [PATCH v2] rtc: Improve performance of rtc_time64_to_tm. Add tests.
@ 2021-05-30 1:31 Cassio Neri
2021-05-30 2:31 ` Alexandre Belloni
0 siblings, 1 reply; 2+ messages in thread
From: Cassio Neri @ 2021-05-30 1:31 UTC (permalink / raw)
To: a.zummo, alexandre.belloni
Cc: linux-rtc, linux-kernel, Cassio Neri, kernel test robot
Signed-off-by: Cassio Neri <cassio.neri@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
---
Fix link issue on 32 bit platforms raised from the v1.
---
drivers/rtc/lib_test.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/lib_test.c
index 0060e3a72b50..e50513c8e086 100644
--- a/drivers/rtc/lib_test.c
+++ b/drivers/rtc/lib_test.c
@@ -45,13 +45,16 @@ static void rtc_time64_to_tm_test_date_range(struct kunit *test)
struct rtc_time result;
time64_t secs;
+ s64 days;
for (secs = 0; secs <= total_secs; secs += 86400) {
rtc_time64_to_tm(secs, &result);
+ days = div_s64(secs, 86400);
+
#define FAIL_MSG "%d/%02d/%02d (%2d) : %ld", \
- year, month, mday, yday, secs/86400
+ year, month, mday, yday, days
KUNIT_ASSERT_EQ_MSG(test, year - 1900, result.tm_year, FAIL_MSG);
KUNIT_ASSERT_EQ_MSG(test, month - 1, result.tm_mon, FAIL_MSG);
base-commit: bcae59d0d45b866d5b9525ea8ece6d671e6767c8
prerequisite-patch-id: ea804a9b3d52cd4f6bfbbf1c53260cb8f2d2c60b
--
2.31.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] rtc: Improve performance of rtc_time64_to_tm. Add tests.
2021-05-30 1:31 [PATCH v2] rtc: Improve performance of rtc_time64_to_tm. Add tests Cassio Neri
@ 2021-05-30 2:31 ` Alexandre Belloni
0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Belloni @ 2021-05-30 2:31 UTC (permalink / raw)
To: Cassio Neri; +Cc: a.zummo, linux-rtc, linux-kernel, kernel test robot
Hello,
Your v2 as to be self contained, not a simple patch on top of v1.
On 30/05/2021 02:31:59+0100, Cassio Neri wrote:
> Signed-off-by: Cassio Neri <cassio.neri@gmail.com>
> Reported-by: kernel test robot <lkp@intel.com>
>
> ---
>
> Fix link issue on 32 bit platforms raised from the v1.
>
> ---
> drivers/rtc/lib_test.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/lib_test.c
> index 0060e3a72b50..e50513c8e086 100644
> --- a/drivers/rtc/lib_test.c
> +++ b/drivers/rtc/lib_test.c
> @@ -45,13 +45,16 @@ static void rtc_time64_to_tm_test_date_range(struct kunit *test)
>
> struct rtc_time result;
> time64_t secs;
> + s64 days;
>
> for (secs = 0; secs <= total_secs; secs += 86400) {
>
> rtc_time64_to_tm(secs, &result);
>
> + days = div_s64(secs, 86400);
> +
> #define FAIL_MSG "%d/%02d/%02d (%2d) : %ld", \
> - year, month, mday, yday, secs/86400
> + year, month, mday, yday, days
>
> KUNIT_ASSERT_EQ_MSG(test, year - 1900, result.tm_year, FAIL_MSG);
> KUNIT_ASSERT_EQ_MSG(test, month - 1, result.tm_mon, FAIL_MSG);
>
> base-commit: bcae59d0d45b866d5b9525ea8ece6d671e6767c8
> prerequisite-patch-id: ea804a9b3d52cd4f6bfbbf1c53260cb8f2d2c60b
> --
> 2.31.0
>
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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