Re: [PATCH] staging: fbtft: Change udelay() to usleep_range()
- From
- Matthew Wilcox <willy@infradead.org>
- Date
- 2026-01-13 17:53:58
- Also in
- dri-devel, linux-staging, lkml
- Reply to
- Gideon Adjei, 2026-01-13
On Tue, Jan 13, 2026 at 09:27:56AM -0800, Gideon Adjei wrote:
Replace udelay() calls >= 100us with usleep_range() to avoid busy-waiting. This allows the scheduler to run other tasks while waiting.
Your commit message omits how you know it's safe to sleep in these
situations. Are we holding a spinlock or being called in interrupt
context, for example?