dmaengine: 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 <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200831103542.305571-6-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index 5f7b9ba..7ab83fe 100644 (file)
--- 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;
@@ -1142,7 +1142,7 @@ 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);