On Mon, 2022-02-07 at 17:46 +0100, Greg KH wrote: > On Mon, Feb 07, 2022 at 01:00:51PM -0300, Leonardo Araujo wrote: > > Fixes the checks reported by checkpatch.pl for usleep_range. [] > > diff --git a/drivers/staging/wfx/bh.c b/drivers/staging/wfx/bh.c [] > > @@ -312,7 +312,7 @@ void wfx_bh_poll_irq(struct wfx_dev *wdev) > > dev_err(wdev->dev, "time out while polling control register\n"); > > return; > > } > > - udelay(200); > > + usleep_range(200, 200); range with the same low/high values is pretty useless. And Leonardo, checkpatch should have warned you about this. You, as a novice kernel submitter, should always use it on patches you create before you send them out for review. > Do you have the hardware to verify that this is the correct fix for > this? > > You can not just blindly make this type of change here, sorry, otherwise > we would have done so long ago with a simple search/replace :) Greg, you keep writing this but treewide search/replace is almost never done.