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Date: Mon, 12 Oct 2026 08:33:48 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: khaliforce <kforce@gmail.com>
Cc: Ilpo =?iso-8859-1?Q?J=E4rvinen?= <ilpo.jarvinen@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Jiri Slaby <jirislaby@kernel.org>, linux-kernel@vger.kernel.org,
	linux-serial@vger.kernel.org
Subject: Re: [PATCH] serial: 8250_dw: retain programmed timing for BUSY waits
Message-ID: <2026101202-bride-friction-454e@gregkh>
References: <1791785420.8010663.945898876521967.uart-busy-frame-time@gmail.com>
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In-Reply-To: <1791785420.8010663.945898876521967.uart-busy-frame-time@gmail.com>

On Mon, Oct 12, 2026 at 06:10:20AM -0000, khaliforce wrote:
> +	if (d->data.frame_time && d->data.frame_time_uartclk && p->uartclk) {
> +		scaled_frame_time = (u64)frame_time * d->data.frame_time_uartclk;
> +		scaled_frame_time = DIV_ROUND_UP_ULL(scaled_frame_time, p->uartclk);
> +		frame_time = min_t(u64, scaled_frame_time, U32_MAX);

This looks like a LLM wrote this, as min_t() is what they love to use.
Are you sure this is correct?

thanks,

greg k-h