mmc: dw_mmc: Use new tasklet API

This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-4-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/dw_mmc.c

@@ -1952,9 +1952,9 @@ static bool dw_mci_clear_pending_data_complete(struct dw_mci *host)
 	return true;
 }
 
-static void dw_mci_tasklet_func(unsigned long priv)
+static void dw_mci_tasklet_func(struct tasklet_struct *t)
 {
-	struct dw_mci *host = (struct dw_mci *)priv;
+	struct dw_mci *host = from_tasklet(host, t, tasklet);
 	struct mmc_data	*data;
 	struct mmc_command *cmd;
 	struct mmc_request *mrq;
@@ -3308,7 +3308,7 @@ int dw_mci_probe(struct dw_mci *host)
 	else
 		host->fifo_reg = host->regs + DATA_240A_OFFSET;
 
-	tasklet_init(&host->tasklet, dw_mci_tasklet_func, (unsigned long)host);
+	tasklet_setup(&host->tasklet, dw_mci_tasklet_func);
 	ret = devm_request_irq(host->dev, host->irq, dw_mci_interrupt,
 			       host->irq_flags, "dw-mci", host);
 	if (ret)