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Date:   Mon, 17 Aug 2020 13:46:56 +0530
From:   Allen Pais <>
        Allen Pais <>,
        Romain Perier <>
Subject: [PATCH 05/35] dma: dw: 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 <>
Signed-off-by: Allen Pais <>
 drivers/dma/dw/core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index 4700f2e87a62..022ddc4d3af5 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -463,9 +463,9 @@ static void dwc_handle_error(struct dw_dma *dw, struct dw_dma_chan *dwc)
 	dwc_descriptor_complete(dwc, bad_desc, true);
-static void dw_dma_tasklet(unsigned long data)
+static void dw_dma_tasklet(struct tasklet_struct *t)
-	struct dw_dma *dw = (struct dw_dma *)data;
+	struct dw_dma *dw = from_tasklet(dw, t, tasklet);
 	struct dw_dma_chan *dwc;
 	u32 status_xfer;
 	u32 status_err;
@@ -1138,7 +1138,7 @@ int do_dma_probe(struct dw_dma_chip *chip)
 		goto err_pdata;
-	tasklet_init(&dw->tasklet, dw_dma_tasklet, (unsigned long)dw);
+	tasklet_setup(&dw->tasklet, dw_dma_tasklet);
 	err = request_irq(chip->irq, dw_dma_interrupt, IRQF_SHARED,
 			  dw->name, dw);

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