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Tue, 21 Jul 2026 12:54:25 -0700 (PDT) From: Rosen Penev To: dmaengine@vger.kernel.org Cc: Vinod Koul , Frank Li , Xuelin Shi , Harninder Rai , linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2 1/2] dmaengine: fsl_raid: pass platform_device to drvdata Date: Tue, 21 Jul 2026 12:54:21 -0700 Message-ID: <20260721195422.353794-2-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721195422.353794-1-rosenp@gmail.com> References: <20260721195422.353794-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Simplifies code slightly and avoids having to take pointer of a platform device member. A platform device is always used. Signed-off-by: Rosen Penev --- drivers/dma/fsl_raid.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/dma/fsl_raid.c b/drivers/dma/fsl_raid.c index da5228e121d1..2d54879cd6e1 100644 --- a/drivers/dma/fsl_raid.c +++ b/drivers/dma/fsl_raid.c @@ -219,10 +219,11 @@ static void fsl_re_dequeue(struct tasklet_struct *t) /* Per Job Ring interrupt handler */ static irqreturn_t fsl_re_isr(int irq, void *data) { + struct platform_device *pdev = data; struct fsl_re_chan *re_chan; u32 irqstate, status; - re_chan = dev_get_drvdata((struct device *)data); + re_chan = platform_get_drvdata(pdev); irqstate = in_be32(&re_chan->jrregs->jr_interrupt_status); if (!irqstate) @@ -649,7 +650,7 @@ static int fsl_re_chan_probe(struct platform_device *ofdev, struct platform_device *chan_ofdev; dev = &ofdev->dev; - re_priv = dev_get_drvdata(dev); + re_priv = platform_get_drvdata(ofdev); dma_dev = &re_priv->dma_dev; chan = devm_kzalloc(dev, sizeof(*chan), GFP_KERNEL); @@ -687,7 +688,7 @@ static int fsl_re_chan_probe(struct platform_device *ofdev, chandev = &chan_ofdev->dev; tasklet_setup(&chan->irqtask, fsl_re_dequeue); - ret = request_irq(chan->irq, fsl_re_isr, 0, chan->name, chandev); + ret = request_irq(chan->irq, fsl_re_isr, 0, chan->name, chan_ofdev); if (ret) { dev_err(dev, "Unable to register interrupt for JR %d\n", q); ret = -EINVAL; @@ -743,7 +744,7 @@ static int fsl_re_chan_probe(struct platform_device *ofdev, out_be32(&chan->jrregs->jr_config_1, FSL_RE_CFG1_CBSI | FSL_RE_CFG1_CBS0 | status); - dev_set_drvdata(chandev, chan); + platform_set_drvdata(chan_ofdev, chan); /* Enable RE/CHAN */ out_be32(&chan->jrregs->jr_command, FSL_RE_ENABLE); @@ -834,7 +835,7 @@ static int fsl_re_probe(struct platform_device *ofdev) return -ENOMEM; } - dev_set_drvdata(dev, re_priv); + platform_set_drvdata(ofdev, re_priv); /* Parse Device tree to find out the total number of JQs present */ for_each_compatible_node_scoped(np, NULL, "fsl,raideng-v1.0-job-queue") { @@ -903,11 +904,9 @@ static void fsl_re_remove_chan(struct fsl_re_chan *chan) static void fsl_re_remove(struct platform_device *ofdev) { struct fsl_re_drv_private *re_priv; - struct device *dev; int i; - dev = &ofdev->dev; - re_priv = dev_get_drvdata(dev); + re_priv = platform_get_drvdata(ofdev); /* Unregister the DMA device first so no client can still hold a * channel and submit new work while the channel rings are torn -- 2.55.0