staging: mt7621-dma: 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 <apais@linux.microsoft.com>
Link: https://lore.kernel.org/r/20200916062459.58426-1-allen.lkml@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-dma/mtk-hsdma.c b/drivers/staging/mt7621-dma/mtk-hsdma.c
index 14592ed9ce98c7ef4c774539870c10bdf5fb8373..354536783e1ce60f899a54e939c247f6b38865e0 100644 (file)
--- a/drivers/staging/mt7621-dma/mtk-hsdma.c
+++ b/drivers/staging/mt7621-dma/mtk-hsdma.c
@@ -533,9 +533,9 @@ static void mtk_hsdma_rx(struct mtk_hsdam_engine *hsdma)
        mtk_hsdma_chan_done(hsdma, chan);
 }
 
-static void mtk_hsdma_tasklet(unsigned long arg)
+static void mtk_hsdma_tasklet(struct tasklet_struct *t)
 {
-       struct mtk_hsdam_engine *hsdma = (struct mtk_hsdam_engine *)arg;
+       struct mtk_hsdam_engine *hsdma = from_tasklet(hsdma, t, task);
 
        mtk_hsdma_rx(hsdma);
        mtk_hsdma_tx(hsdma);
@@ -670,7 +670,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
        if (IS_ERR(base))
                return PTR_ERR(base);
        hsdma->base = base + HSDMA_BASE_OFFSET;
-       tasklet_init(&hsdma->task, mtk_hsdma_tasklet, (unsigned long)hsdma);
+       tasklet_setup(&hsdma->task, mtk_hsdma_tasklet);
 
        irq = platform_get_irq(pdev, 0);
        if (irq < 0)