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Fri, 07 Jun 2024 14:23:13 +0200 Message-ID: <5bd85dce-13a8-4558-a574-726626ecbc5c@web.de> Date: Fri, 7 Jun 2024 14:23:10 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr() To: Louis Chauvet , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Vinod Koul , Michal Simek , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20240607-xdma-fixes-v2-1-0282319ce345@bootlin.com> Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240607-xdma-fixes-v2-1-0282319ce345@bootlin.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Rq71xYcv7AE6RT6snxQ/7L88lxsSpvjLIAAaV4rGhD5tibDU584 1LWrBOqL29y9nPpWAn/JgJSLhNtW4eDFr0O1eQj218dpPrjTDHu9zGDTR8fez75LcXyUq4S u6fajeEzdtMNsaylUW4Jya1qLHXgNLoPOJpLUShnTucCcukiU7UIlkBhE1E1mK6yr3o1oBW COJ5G9AUsu+8e2I5vVSjw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:2ZuDCsg8jSw=;FL/XvPK9CgStER9vsTkVwtyJ/nA sGzNB0h8wq0C3Z379vJ4IsFOQ6Z52BqnhKu/D8C4APJTwcW8jAIAr6DoCoBBu33yCDSm7jykm tqQsbfJTHBiO5vHUnIM56Kq2ZJfx4lx//v4autdr9SBK4pCmNTEi02bzcgGnC6epqLFvJIovZ rzx9k+PW1ZgMhpibsYmg7eU8j+QianriZu2Jcfz/T8TH+2VPQRCUnc5Uvv3LAB1H7j/27VGqM uar1o8rNEfDk338wpx1eO/0FfZfZWGADkALr+gl2FXePQw4rRkrsmtTVHnAXMoNLRhc845MMe maY9hLrkVUjsMfwU9ClsrSFjNo+ZV2703nyVp5tSWiqlmi0y34Bb1c/70D1oVm7W9JWWSCgD8 IZuYg51yJjb5OS+KUrx8BoV7+eTwW2Vfm3d89w84CcNOMkEWBQkWXGuUNDmrrQ/j/pBpe5W2j zuTO3YL8T+LMV9TZwIFUve+TRcpgLIa4La+/jxYm0VgMBrKCuyOwuUU+gNwrW6/wt5N5W8TAH elCNMyDMXio49MDI3rooDULUgiwkWPHuYKpKwmXiMRUYZ1U3wRmby0xLfxMdsnH5oniAlZ33o HZuLxwh6jgNcjbuIiJRFvE1xO4SF0z1+3dvHquzwPt+sXpE5CSnOej3cIgZsOquNmxImYgFqT 1cl08dS3M8VOmYzdIk6Mjwn7JQtWapFOFSrHu8oO3Ykhnc/dEaCsO6vlMYZtOj/EPy5mr8PqV cX7FUCNBgVMpNzCHbFOiiR2mKpcSaFD+YqlB7OQEm+cb9B9X/NACa4mhIuqRFEPk81/1COZWg FLmOoSJ0QXNA/wl/oMtosV82mSus3qSny6vQhA2HJ5AUA= =E2=80=A6 > +++ b/drivers/dma/xilinx/xdma.c > @@ -885,11 +885,11 @@ static irqreturn_t xdma_channel_isr(int irq, void = *dev_id) > u32 st; > bool repeat_tx; > > + spin_lock(&xchan->vchan.lock); > + > if (xchan->stop_requested) > complete(&xchan->last_interrupt); =E2=80=A6 Can any lock scope adjustments matter also for another variable definition= ? https://elixir.bootlin.com/linux/v6.10-rc2/source/drivers/dma/xilinx/xdma.= c#L873 struct xdma_device *xdev =3D xchan->xdev_hdl; Regards, Markus