Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 740b90d..7858a54 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -96,7 +96,7 @@
 	bool dpll_locked;
 	u32 txrate[SPDIF_TXRATE_MAX];
 	u8 txclk_df[SPDIF_TXRATE_MAX];
-	u8 sysclk_df[SPDIF_TXRATE_MAX];
+	u16 sysclk_df[SPDIF_TXRATE_MAX];
 	u8 txclk_src[SPDIF_TXRATE_MAX];
 	u8 rxclk_src;
 	struct clk *txclk[SPDIF_TXRATE_MAX];
@@ -376,7 +376,8 @@
 	struct platform_device *pdev = spdif_priv->pdev;
 	unsigned long csfs = 0;
 	u32 stc, mask, rate;
-	u8 clk, txclk_df, sysclk_df;
+	u16 sysclk_df;
+	u8 clk, txclk_df;
 	int ret;
 
 	switch (sample_rate) {
@@ -1109,8 +1110,9 @@
 	static const u32 rate[] = { 32000, 44100, 48000, 96000, 192000 };
 	bool is_sysclk = clk_is_match(clk, spdif_priv->sysclk);
 	u64 rate_ideal, rate_actual, sub;
-	u32 sysclk_dfmin, sysclk_dfmax;
-	u32 txclk_df, sysclk_df, arate;
+	u32 arate;
+	u16 sysclk_dfmin, sysclk_dfmax, sysclk_df;
+	u8 txclk_df;
 
 	/* The sysclk has an extra divisor [2, 512] */
 	sysclk_dfmin = is_sysclk ? 2 : 1;
@@ -1246,10 +1248,8 @@
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
+	if (irq < 0)
 		return irq;
-	}
 
 	ret = devm_request_irq(&pdev->dev, irq, spdif_isr, 0,
 			       dev_name(&pdev->dev), spdif_priv);
@@ -1320,7 +1320,7 @@
 	}
 
 	ret = imx_pcm_dma_init(pdev, IMX_SPDIF_DMABUF_SIZE);
-	if (ret)
+	if (ret && ret != -EPROBE_DEFER)
 		dev_err(&pdev->dev, "imx_pcm_dma_init failed: %d\n", ret);
 
 	return ret;