From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from h8.fbrelay.privateemail.com (h8.fbrelay.privateemail.com [162.0.218.231]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 795302EBDEB for ; Tue, 21 Oct 2025 08:13:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.0.218.231 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761034401; cv=none; b=DVbgGdnZP9+J4G+dkK7VvZ81tqoPFveJ4vz7Jeu4MIMc3MGfoXGbhxpEZUW/1dq3TWvMLUkDPkqsHdjk/fW9S4YV77On0AT79IZ+Bz7rPWvRJsGzQOI9pMTDakMTIOs1+pNlcVM3Lw1L8t3VD+7X9oG3rvsdnUxp+FJveb0WQLg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761034401; c=relaxed/simple; bh=21tz4INp76XZE73YF39d4OhuGExWH86i52/5vzcfF/g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=itD+zd2QTP+zoZRQIuLyR0y4lNnDC7HT4FPNAfitJ+8DJUiYbiRBcizram4VAOp9Id4eBv3QtRtOdILdU2t8ePDbgCT+93xh3RcHdaIUmyXmfki9UgBLZpzWGZrbTaPGNWza14W6o2NXHlwl0XVfPALUr4tGar6OOTM5OvcIrtE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lukowski.dev; spf=pass smtp.mailfrom=lukowski.dev; dkim=pass (2048-bit key) header.d=lukowski.dev header.i=@lukowski.dev header.b=YsTqt2fd; arc=none smtp.client-ip=162.0.218.231 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lukowski.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lukowski.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lukowski.dev header.i=@lukowski.dev header.b="YsTqt2fd" Received: from MTA-13-4.privateemail.com (mta-13-1.privateemail.com [198.54.122.107]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by h7.fbrelay.privateemail.com (Postfix) with ESMTPSA id 4crQ646M32z2xZ9 for ; Tue, 21 Oct 2025 04:13:16 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=lukowski.dev; s=default; t=1761034388; bh=21tz4INp76XZE73YF39d4OhuGExWH86i52/5vzcfF/g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YsTqt2fdlrinIEsrbq0Yd8KxA06pQ+fD7p78ggFYqeuI1tjtSOP4izSW8cmoBN0Ar qMFOcJAXFrM6f0eCZYh/90f9lZ06ojqvju+zAjd8/02N7FOjzUd2yIG3SPeWZn/4b8 9Un/gO4T+/lH+m3rp0dt0Cvq4cjK0r1jPxuzOfNEJaxNseXItNEfi9ziVTB1XG5PYG q53kLyWsj6LwgiXsz2EvjNekNogA0tBA9BIsZi9XvZWQnAbysJgO8IaGwznutQmJlE CMIcJfe/Td7Hum+D9W8j+xZUhSkFOwyIgdPdOGs71KmmzuZnuho9rJPnPfd14Vh9nb CeqkzZ3fZrKEQ== Received: from mta-13.privateemail.com (localhost [127.0.0.1]) by mta-13.privateemail.com (Postfix) with ESMTP id 4crQ5w6T8tz3hhZK; Tue, 21 Oct 2025 04:13:08 -0400 (EDT) Received: from Olles-MacBook-Air.local (unknown [150.228.61.72]) by mta-13.privateemail.com (Postfix) with ESMTPA; Tue, 21 Oct 2025 04:13:01 -0400 (EDT) Date: Tue, 21 Oct 2025 11:12:56 +0300 From: Olle Lukowski To: Greg Kroah-Hartman Cc: Andy Shevchenko , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] staging: fbtft: fb_ra8875: replace udelay with usleep_range Message-ID: References: <20251020-staging-fbtft-ra8875-usleep-v1-1-9592dd390c13@lukowski.dev> <2025102120-ride-repaint-7a22@gregkh> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2025102120-ride-repaint-7a22@gregkh> X-Virus-Scanned: ClamAV using ClamSMTP 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