linux-kernel - Re: [PATCH] staging: fbtft: fb_ra8875: replace udelay with usleep

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Message-ID: <aPdAiG8h_bY34vfV@Olles-MacBook-Air.local>
Date: Tue, 21 Oct 2025 11:12:56 +0300
From: Olle Lukowski <olle@...owski.dev>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Andy Shevchenko <andy@...nel.org>, dri-devel@...ts.freedesktop.org,
	linux-fbdev@...r.kernel.org, linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: fbtft: fb_ra8875: replace udelay with
 usleep_range

Hi Greg,

On Tue, Oct 21, 2025 at 09:37:50AM +0200, Greg Kroah-Hartman wrote:
> As per this type of change, have you tested it on real hardware?
> Without that, we can't accept this change, and such checkpatch.pl
> comments should be ignored.

Thanks for clarifying!

I don't have access to the hardware for this driver, so I'll skip these
types of timing-related changes for now and focus on other
non-functional cleanups in staging instead.

Thanks again,
Olle