Re: [PATCH v2 0/2] fix an overflow error on sc27xx power supply

From: Sebastian Reichel
Date: Mon Jul 27 2020 - 19:15:04 EST


Hi,

On Fri, Jul 24, 2020 at 08:21:46PM +0800, Chunyan Zhang wrote:
> From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
>
> The patch 2/2 fixes an overflow error by changing to 64-bit divide operations.
> In order to avoid compile error on 32-bit architectures, this patchset
> also introduced a new 64-bit helper in patch 1/2.
>
> Changes since v1: (https://lkml.org/lkml/2020/7/17/63)
> - Added new help macro DIV_S64_ROUND_CLOSEST;
> - Fixed an error reported by kernel test robot <lkp@xxxxxxxxx>.
>
> Chunyan Zhang (2):
> math64: New DIV_S64_ROUND_CLOSEST helper
> power: supply: sc27xx: prevent adc * 1000 from overflow
>
> drivers/power/supply/sc27xx_fuel_gauge.c | 9 +++++----
> include/linux/math64.h | 19 +++++++++++++++++++
> 2 files changed, 24 insertions(+), 4 deletions(-)

Thanks, queued.

-- Sebastian

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