From: Rob Landley <rob@landley.net>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH 4/4] serial: sh-sci: Stop RX FIFO timer during port shutdown
Date: Sun, 01 Jul 2018 17:27:40 +0000 [thread overview]
Message-ID: <c3d1884b-baab-241d-e4ee-745ed87dbb3b@landley.net> (raw)
In-Reply-To: <20180629142513.20743-8-geert+renesas@glider.be>
On 06/29/2018 09:25 AM, Geert Uytterhoeven wrote:
> The RX FIFO timer may be armed when the port is shut down, hence the
> timer function may still be called afterwards.
>
> Fix this race condition by deleting the timer during port shutdown.
Will any of this make the qemu-system-sh4 serial console work again?
Rob
next prev parent reply other threads:[~2018-07-01 17:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-29 14:25 [PATCH 0/3] serial: sh-sci: Fix port shutdown DMA race conditions Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 1/3] serial: sh-sci: Postpone DMA release when falling back to PIO Geert Uytterhoeven
2018-06-29 14:48 ` Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 2/3] serial: sh-sci: Stop TX DMA workqueue during port shutdown Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 3/3] serial: sh-sci: Stop using deprecated dmaengine_terminate_all() Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 1/4] serial: sh-sci: Postpone DMA release when falling back to PIO Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 2/4] serial: sh-sci: Stop using deprecated dmaengine_terminate_all() Geert Uytterhoeven
2018-06-29 14:30 ` Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 3/4] serial: sh-sci: Stop TX DMA workqueue during port shutdown Geert Uytterhoeven
2018-06-29 14:25 ` [PATCH 4/4] serial: sh-sci: Stop RX FIFO timer " Geert Uytterhoeven
2018-07-01 17:27 ` Rob Landley [this message]
2018-07-02 9:50 ` Geert Uytterhoeven
2018-07-02 19:01 ` Rob Landley
2018-08-03 11:13 ` Geert Uytterhoeven
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