Re: [PATCH v2] gpio: rockchip: resolve overflow issues
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2024-08-23 14:48:09
Also in:
linux-gpio, linux-rockchip, lkml
On Fri, Aug 23, 2024 at 11:43:06AM +0800, Ye Zhang wrote:
Prevent overflow issues when performing debounce-related calculations.
...
- max_debounce = (GENMASK(23, 0) + 1) * 2 * 1000000 / freq; + div = (u64)(GENMASK(23, 0) + 1) * 2 * 1000000;
You probably want to use HZ_PER_MHZ from units.h or so? -- With Best Regards, Andy Shevchenko