Re: [PATCH v3 1/3] Staging: speakup: speakup_keypc.c: usleep_range is preferred over udelay

From: Joe Perches
Date: Wed Jul 19 2017 - 08:36:37 EST


On Wed, 2017-07-19 at 17:55 +0530, Jaya Durga wrote:
> Fix checkpatch issue: CHECK: usleep_range is preferred over udelay;
[]
> diff --git a/drivers/staging/speakup/speakup_keypc.c b/drivers/staging/speakup/speakup_keypc.c
[]
> @@ -28,7 +28,7 @@
>
> #define DRV_VERSION "2.10"
> #define SYNTH_IO_EXTENT 0x04
> -#define SWAIT udelay(70)
> +#define SWAIT usleep_range(70, 150)

It'd probably be more sensible to remove this define as
SWAIT is used just once and use usleep_range directly.