linux-kernel - [PATCH 12/35] dma: k3dma: convert tasklets to use new tasklet

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Message-Id: <20200817081726.20213-13-allen.lkml@gmail.com>
Date:   Mon, 17 Aug 2020 13:47:03 +0530
From:   Allen Pais <allen.lkml@...il.com>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, ast@...nel.org,
        daniel@...earbox.net, kafai@...com, songliubraving@...com,
        yhs@...com, andriin@...com, john.fastabend@...il.com,
        kpsingh@...omium.org, baohua@...nel.org, mripard@...nel.org,
        wens@...e.org, thierry.reding@...il.com, jonathanh@...dia.com,
        michal.simek@...inx.com, matthias.bgg@...il.com
Cc:     keescook@...omium.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH 12/35] dma: k3dma: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <allen.lkml@...il.com>
---
 drivers/dma/k3dma.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c
index c5c1aa0dcaed..f609a84c493c 100644
--- a/drivers/dma/k3dma.c
+++ b/drivers/dma/k3dma.c
@@ -297,9 +297,9 @@ static int k3_dma_start_txd(struct k3_dma_chan *c)
 	return -EAGAIN;
 }
 
-static void k3_dma_tasklet(unsigned long arg)
+static void k3_dma_tasklet(struct tasklet_struct *t)
 {
-	struct k3_dma_dev *d = (struct k3_dma_dev *)arg;
+	struct k3_dma_dev *d = from_tasklet(d, t, task);
 	struct k3_dma_phy *p;
 	struct k3_dma_chan *c, *cn;
 	unsigned pch, pch_alloc = 0;
@@ -962,7 +962,7 @@ static int k3_dma_probe(struct platform_device *op)
 
 	spin_lock_init(&d->lock);
 	INIT_LIST_HEAD(&d->chan_pending);
-	tasklet_init(&d->task, k3_dma_tasklet, (unsigned long)d);
+	tasklet_setup(&d->task, k3_dma_tasklet);
 	platform_set_drvdata(op, d);
 	dev_info(&op->dev, "initialized\n");
 
-- 
2.17.1