From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Greg KH <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>,
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
Ulrich Hecht <ulrich.hecht+renesas@gmail.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
"open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Linux-sh list <linux-sh@vger.kernel.org>
Subject: Re: [PATCH 2/4] serial: sh-sci: Stop using deprecated dmaengine_terminate_all()
Date: Fri, 29 Jun 2018 14:30:49 +0000 [thread overview]
Message-ID: <CAMuHMdXBsdkmcakVrLcBgMYD2ULD+nY7y5mKDWm3PN-nJQVw-w@mail.gmail.com> (raw)
In-Reply-To: <20180629142513.20743-6-geert+renesas@glider.be>
On Fri, Jun 29, 2018 at 4:25 PM Geert Uytterhoeven
<geert+renesas@glider.be> wrote:
> As of commit b36f09c3c441a6e5 ("dmaengine: Add transfer termination
> synchronization support"), dmaengine_terminate_all() is deprecated.
>
> Replace calls to dmaengine_terminate_all() in DMA release code by calls
> to dmaengine_terminate_sync(), as the latter waits until all running
> completion callbacks have finished.
>
> Replace calls to dmaengine_terminate_all() in DMA failure paths by calls
> to dmaengine_terminate_async(), as these are usually done in atomic
> context.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> drivers/tty/serial/sh-sci.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
> index 898c1034cad23a88..061660ccf9442d02 100644
> --- a/drivers/tty/serial/sh-sci.c
> +++ b/drivers/tty/serial/sh-sci.c
> @@ -1613,7 +1613,7 @@ dev_dbg_dma(port->dev, "%s\n", __func__);
> s->chan_rx_saved = s->chan_rx = NULL;
> s->cookie_rx[0] = s->cookie_rx[1] = -EINVAL;
> WARN(!chan, "RX DMA channel already released\n");
Woops, I had some old versions of the patches lying around, and accidentally
sent them with the real series.
Sorry for that, the "[x/4]" patches should be ignored.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2018-06-29 14:30 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 [this message]
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
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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