From: Vinod Koul <vkoul@kernel.org>
To: Biju Das <biju.das.jz@bp.renesas.com>
Cc: Colin Ian King <colin.king@intel.com>,
Dan Carpenter <dan.carpenter@oracle.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
dmaengine@vger.kernel.org, Mark Brown <broonie@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Biju Das <biju.das@bp.renesas.com>,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v4] dmaengine: sh: rz-dmac: Add device_synchronize callback
Date: Tue, 26 Jul 2022 18:28:37 +0530 [thread overview]
Message-ID: <Yt/k/UD089k4Lkl8@matsya> (raw)
In-Reply-To: <20220722084430.969333-1-biju.das.jz@bp.renesas.com>
On 22-07-22, 09:44, Biju Das wrote:
> Some on-chip peripheral modules(for eg:- rspi) on RZ/G2L SoC
> use the same signal for both interrupt and DMA transfer requests.
> The signal works as a DMA transfer request signal by setting
> DMARS, and subsequent interrupt requests to the interrupt controller
> are masked.
>
> We can re-enable the interrupt by clearing the DMARS.
>
> This patch adds device_synchronize callback for clearing
> DMARS and thereby allowing DMA consumers to switch to
> interrupt mode.
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2022-07-26 12:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-22 8:44 [PATCH v4] dmaengine: sh: rz-dmac: Add device_synchronize callback Biju Das
2022-07-22 8:57 ` Geert Uytterhoeven
2022-07-26 12:58 ` Vinod Koul [this message]
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