ASoC: fsl_esai: Remove the tasklet

Remove tasklet for it may cause the xrun interrupt not be
handled immediately, that will be endless interrupt.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>

Author: TE-N-ShengjiuWang

sound/soc/fsl/fsl_esai.c

@@ -33,7 +33,6 @@
  * @extalclk: esai clock source to derive HCK, SCK and FS
  * @fsysclk: system clock source to derive HCK, SCK and FS
  * @spbaclk: SPBA clock (optional, depending on SoC design)
- * @task: tasklet to handle the reset operation
  * @lock: spin lock between hw_reset() and trigger()
  * @fifo_depth: depth of tx/rx FIFO
  * @slot_width: width of each DAI slot
@@ -57,7 +56,6 @@ struct fsl_esai {
 	struct clk *extalclk;
 	struct clk *fsysclk;
 	struct clk *spbaclk;
-	struct tasklet_struct task;
 	spinlock_t lock; /* Protect hw_reset and trigger */
 	u32 fifo_depth;
 	u32 slot_width;
@@ -75,6 +73,8 @@ struct fsl_esai {
 	char name[32];
 };
 
+static void fsl_esai_hw_reset(struct fsl_esai *esai_priv);
+
 static irqreturn_t esai_isr(int irq, void *devid)
 {
 	struct fsl_esai *esai_priv = (struct fsl_esai *)devid;
@@ -88,7 +88,7 @@ static irqreturn_t esai_isr(int irq, void *devid)
 	if ((saisr & (ESAI_SAISR_TUE | ESAI_SAISR_ROE)) &&
 	    esai_priv->reset_at_xrun) {
 		dev_dbg(&pdev->dev, "reset module for xrun\n");
-		tasklet_schedule(&esai_priv->task);
+		fsl_esai_hw_reset(esai_priv);
 	}
 
 	if (esr & ESAI_ESR_TINIT_MASK)
@@ -702,9 +702,8 @@ static void fsl_esai_trigger_stop(struct fsl_esai *esai_priv, bool tx)
 			   ESAI_xFCR_xFR, 0);
 }
 
-static void fsl_esai_hw_reset(unsigned long arg)
+static void fsl_esai_hw_reset(struct fsl_esai *esai_priv)
 {
-	struct fsl_esai *esai_priv = (struct fsl_esai *)arg;
 	bool tx = true, rx = false, enabled[2];
 	unsigned long lock_flags;
 	u32 tfcr, rfcr;
@@ -1097,9 +1096,6 @@ static int fsl_esai_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	tasklet_init(&esai_priv->task, fsl_esai_hw_reset,
-		     (unsigned long)esai_priv);
-
 	pm_runtime_enable(&pdev->dev);
 
 	regcache_cache_only(esai_priv->regmap, true);
@@ -1113,10 +1109,7 @@ static int fsl_esai_probe(struct platform_device *pdev)
 
 static int fsl_esai_remove(struct platform_device *pdev)
 {
-	struct fsl_esai *esai_priv = platform_get_drvdata(pdev);
-
 	pm_runtime_disable(&pdev->dev);
-	tasklet_kill(&esai_priv->task);
 
 	return 0;
 }