ASoC: fsl_sai: simplify irq return value

Instead of using a boolean "irq_none" to describe the interrupt
handlers return value use a variable of type irqreturn_t and return
it directly. No functional change.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20220302083428.3804687-3-s.hauer@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 9b43f94..b815e86 100644 (file)
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -62,7 +62,7 @@ static irqreturn_t fsl_sai_isr(int irq, void *devid)
        unsigned int ofs = sai->soc_data->reg_offset;
        struct device *dev = &sai->pdev->dev;
        u32 flags, xcsr, mask;
-       bool irq_none = true;
+       irqreturn_t iret = IRQ_NONE;
 
        /*
         * Both IRQ status bits and IRQ mask bits are in the xCSR but
@@ -76,7 +76,7 @@ static irqreturn_t fsl_sai_isr(int irq, void *devid)
        flags = xcsr & mask;
 
        if (flags)
-               irq_none = false;
+               iret = IRQ_HANDLED;
        else
                goto irq_rx;
 
@@ -110,7 +110,7 @@ irq_rx:
        flags = xcsr & mask;
 
        if (flags)
-               irq_none = false;
+               iret = IRQ_HANDLED;
        else
                goto out;
 
@@ -139,10 +139,7 @@ irq_rx:
                regmap_write(sai->regmap, FSL_SAI_RCSR(ofs), flags | xcsr);
 
 out:
-       if (irq_none)
-               return IRQ_NONE;
-       else
-               return IRQ_HANDLED;
+       return iret;
 }
 
 static int fsl_sai_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask,