linux-kernel - Re: [PATCH] delay: Fix ndelay() spuriously treated as udelay()

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Message-ID: <c3081927-050c-4807-9987-51d7265126e0@collabora.com>
Date: Mon, 25 Nov 2024 10:56:18 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Frederic Weisbecker <frederic@...nel.org>,
 Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>, Chen-Yu Tsai <wenst@...omium.org>,
 Nícolas F. R. A. Prado <nfraprado@...labora.com>,
 Anna-Maria Behnsen <anna-maria@...utronix.de>
Subject: Re: [PATCH] delay: Fix ndelay() spuriously treated as udelay()

Il 21/11/24 16:29, Frederic Weisbecker ha scritto:
> A recent rework on delay functions wrongly ended up calling __udelay()
> instead of __ndelay() for nanosecond delays, increasing those by 1000.
> 
> As a result hangs have been observed on boot
> 
> Restore the right function calls.
> 
> Fixes: 19e2d91d8cb1 ("delay: Rework udelay and ndelay")
> Reported-by: Chen-Yu Tsai <wenst@...omium.org>
> Signed-off-by: Frederic Weisbecker <frederic@...nel.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>