From: Claudiu Beznea <claudiu.beznea@kernel.org>
To: Biju Das <biju.das.jz@bp.renesas.com>,
"vkoul@kernel.org" <vkoul@kernel.org>,
"Frank.Li@kernel.org" <Frank.Li@kernel.org>,
"lgirdwood@gmail.com" <lgirdwood@gmail.com>,
"broonie@kernel.org" <broonie@kernel.org>,
"perex@perex.cz" <perex@perex.cz>,
"tiwai@suse.com" <tiwai@suse.com>,
Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
"geert+renesas@glider.be" <geert+renesas@glider.be>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Long Luu <long.luu.ur@renesas.com>
Cc: "Claudiu.Beznea" <claudiu.beznea@tuxon.dev>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-sound@vger.kernel.org" <linux-sound@vger.kernel.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
Frank Li <Frank.Li@nxp.com>,
John Madieu <john.madieu.xa@bp.renesas.com>
Subject: Re: [PATCH v6 01/18] dmaengine: sh: rz-dmac: Move interrupt request after everything is set up
Date: Tue, 26 May 2026 12:45:38 +0300 [thread overview]
Message-ID: <8dcf50ee-94b7-4b27-895d-2448eb772c08@kernel.org> (raw)
In-Reply-To: <TY3PR01MB11346AC919B1D62FADB18FB20860B2@TY3PR01MB11346.jpnprd01.prod.outlook.com>
On 5/26/26 11:54, Biju Das wrote:
> Hi Claudiu,
>
>> -----Original Message-----
>> From: Claudiu Beznea <claudiu.beznea@kernel.org>
>> Sent: 26 May 2026 09:47
>> Subject: [PATCH v6 01/18] dmaengine: sh: rz-dmac: Move interrupt request after everything is set up
>>
>> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>>
>> Once the interrupt is requested, the interrupt handler may run immediately.
>
> Do you mean spurious interrupt?
>
> After DMA driver probe only, consumer device can access the DMA handle
> right? or am I missing something here?
In theory there could be pending interrupts not yet served (e.g. due to the
previous usage of the controller, HW behavior, etc). Those could trigger the
execution of the IRQ handler once the interrupt is requested.
--
Thank you,
Claudiu
next prev parent reply other threads:[~2026-05-26 9:45 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 8:46 [PATCH v6 00/18] Renesas: dmaengine and ASoC fixes Claudiu Beznea
2026-05-26 8:46 ` [PATCH v6 01/18] dmaengine: sh: rz-dmac: Move interrupt request after everything is set up Claudiu Beznea
2026-05-26 8:54 ` Biju Das
2026-05-26 9:45 ` Claudiu Beznea [this message]
2026-05-26 9:51 ` Biju Das
2026-05-26 10:25 ` Claudiu Beznea
2026-05-26 10:39 ` Biju Das
2026-05-26 9:20 ` sashiko-bot
2026-05-28 13:44 ` Tommaso Merciai
2026-05-26 8:46 ` [PATCH v6 02/18] dmaengine: sh: rz-dmac: Fix incorrect NULL check for list_first_entry() Claudiu Beznea
2026-05-26 9:03 ` sashiko-bot
2026-05-28 13:45 ` Tommaso Merciai
2026-05-26 8:46 ` [PATCH v6 03/18] dmaengine: sh: rz-dmac: Use list_first_entry_or_null() Claudiu Beznea
2026-05-28 13:45 ` Tommaso Merciai
2026-05-26 8:46 ` [PATCH v6 04/18] dmaengine: sh: rz-dmac: Use rz_dmac_disable_hw() Claudiu Beznea
2026-05-26 9:15 ` sashiko-bot
2026-05-28 13:46 ` Tommaso Merciai
2026-05-26 8:46 ` [PATCH v6 05/18] dmaengine: sh: rz-dmac: Add helper to compute the lmdesc address Claudiu Beznea
2026-05-28 13:47 ` Tommaso Merciai
2026-05-26 8:46 ` [PATCH v6 06/18] dmaengine: sh: rz-dmac: Save the start LM descriptor Claudiu Beznea
2026-05-26 9:41 ` sashiko-bot
2026-05-28 13:47 ` Tommaso Merciai
2026-05-26 8:46 ` [PATCH v6 07/18] dmaengine: sh: rz-dmac: Add helper to check if the channel is enabled Claudiu Beznea
2026-05-28 13:48 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 08/18] dmaengine: sh: rz-dmac: Add helper to check if the channel is paused Claudiu Beznea
2026-05-28 13:48 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 09/18] dmaengine: sh: rz-dmac: Use virt-dma APIs for channel descriptor processing Claudiu Beznea
2026-05-26 9:28 ` sashiko-bot
2026-05-28 13:49 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 10/18] dmaengine: sh: rz-dmac: Refactor pause/resume code Claudiu Beznea
2026-05-26 9:28 ` sashiko-bot
2026-05-28 13:50 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 11/18] dmaengine: sh: rz-dmac: Drop the update of channel->chctrl with CHCTRL_SETEN Claudiu Beznea
2026-05-26 9:11 ` sashiko-bot
2026-05-28 13:50 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 12/18] dmaengine: sh: rz-dmac: Add cyclic DMA support Claudiu Beznea
2026-05-26 9:31 ` sashiko-bot
2026-05-28 13:51 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 13/18] dmaengine: sh: rz-dmac: Adjust rz_dmac_chan_get_residue() to return error codes Claudiu Beznea
2026-05-28 13:51 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 14/18] dmaengine: sh: rz-dmac: Add runtime PM support Claudiu Beznea
2026-05-26 9:57 ` sashiko-bot
2026-05-28 13:52 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 15/18] dmaengine: sh: rz-dmac: Add suspend to RAM support Claudiu Beznea
2026-05-26 9:43 ` sashiko-bot
2026-05-28 14:38 ` Tommaso Merciai
2026-05-26 8:47 ` [PATCH v6 16/18] ASoC: renesas: rz-ssi: Add pause support Claudiu Beznea
2026-05-26 9:46 ` sashiko-bot
2026-05-26 8:47 ` [PATCH v6 17/18] ASoC: renesas: rz-ssi: Use generic PCM dmaengine APIs Claudiu Beznea
2026-05-26 10:00 ` sashiko-bot
2026-05-26 8:47 ` [PATCH v6 18/18] dmaengine: sh: rz-dmac: Set the Link End (LE) bit on the last descriptor Claudiu Beznea
2026-05-26 9:43 ` sashiko-bot
2026-05-28 14:39 ` Tommaso Merciai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8dcf50ee-94b7-4b27-895d-2448eb772c08@kernel.org \
--to=claudiu.beznea@kernel.org \
--cc=Frank.Li@kernel.org \
--cc=Frank.Li@nxp.com \
--cc=biju.das.jz@bp.renesas.com \
--cc=broonie@kernel.org \
--cc=claudiu.beznea.uj@bp.renesas.com \
--cc=claudiu.beznea@tuxon.dev \
--cc=dmaengine@vger.kernel.org \
--cc=geert+renesas@glider.be \
--cc=john.madieu.xa@bp.renesas.com \
--cc=kuninori.morimoto.gx@renesas.com \
--cc=lgirdwood@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=linux-sound@vger.kernel.org \
--cc=long.luu.ur@renesas.com \
--cc=p.zabel@pengutronix.de \
--cc=perex@perex.cz \
--cc=prabhakar.mahadev-lad.rj@bp.renesas.com \
--cc=stable@vger.kernel.org \
--cc=tiwai@suse.com \
--cc=vkoul@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox