Re: [PATCH v2] gpio: rockchip: resolve overflow issues
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2024-08-23 14:49:19
Also in:
linux-gpio, linux-rockchip, lkml
On Fri, Aug 23, 2024 at 06:59:40PM +0800, Shawn Lin wrote:
在 2024/8/23 11:43, Ye Zhang 写道:
...
quoted
- max_debounce = (GENMASK(23, 0) + 1) * 2 * 1000000 / freq; + div = (u64)(GENMASK(23, 0) + 1) * 2 * 1000000; + max_debounce = DIV_ROUND_CLOSEST_ULL(div, freq);can't max_debounce = DIV_ROUND_CLOSEST_ULL((GENMASK(23, 0) + 1) * 2 * 1000000, freq) work?
Wouldn't be too long line in this case? -- With Best Regards, Andy Shevchenko