dmaengine: at_xdmac: 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/20200831103542.305571-4-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index fd92f04..3b53115 100644 (file)
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1613,9 +1613,9 @@ static void at_xdmac_handle_error(struct at_xdmac_chan *atchan)
        /* Then continue with usual descriptor management */
 }
 
-static void at_xdmac_tasklet(unsigned long data)
+static void at_xdmac_tasklet(struct tasklet_struct *t)
 {
-       struct at_xdmac_chan    *atchan = (struct at_xdmac_chan *)data;
+       struct at_xdmac_chan    *atchan = from_tasklet(atchan, t, tasklet);
        struct at_xdmac_desc    *desc;
        u32                     error_mask;
 
@@ -2063,8 +2063,7 @@ static int at_xdmac_probe(struct platform_device *pdev)
                spin_lock_init(&atchan->lock);
                INIT_LIST_HEAD(&atchan->xfers_list);
                INIT_LIST_HEAD(&atchan->free_descs_list);
-               tasklet_init(&atchan->tasklet, at_xdmac_tasklet,
-                            (unsigned long)atchan);
+               tasklet_setup(&atchan->tasklet, at_xdmac_tasklet);
 
                /* Clear pending interrupts. */
                while (at_xdmac_chan_read(atchan, AT_XDMAC_CIS))