[PATCH -next] spi: Do not check for 0 return after calling platform_get_irq()

[Ruan Jinjie]

It is not possible for platform_get_irq() to return 0. Use the
return value from platform_get_irq().

Signed-off-by: Ruan Jinjie <ruanjinjie at huawei.com>
---
 drivers/spi/spi-axi-spi-engine.c | 4 ++--
 drivers/spi/spi-bcm2835.c        | 4 ++--
 drivers/spi/spi-bcm2835aux.c     | 4 ++--
 drivers/spi/spi-cadence.c        | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c
index 89661f3b0d44..c3224b85bc79 100644
--- a/drivers/spi/spi-axi-spi-engine.c
+++ b/drivers/spi/spi-axi-spi-engine.c
@@ -470,8 +470,8 @@ static int spi_engine_probe(struct platform_device *pdev)
 	int ret;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0)
-		return -ENXIO;
+	if (irq < 0)
+		return irq;
 
 	spi_engine = devm_kzalloc(&pdev->dev, sizeof(*spi_engine), GFP_KERNEL);
 	if (!spi_engine)
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index c16abc2a9e9b..3f7f61ba66d5 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -1360,8 +1360,8 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
 	ctlr->max_speed_hz = clk_get_rate(bs->clk) / 2;
 
 	bs->irq = platform_get_irq(pdev, 0);
-	if (bs->irq <= 0)
-		return bs->irq ? bs->irq : -ENODEV;
+	if (bs->irq < 0)
+		return bs->irq;
 
 	err = clk_prepare_enable(bs->clk);
 	if (err)
diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c
index 8ace417c0a29..843dac847584 100644
--- a/drivers/spi/spi-bcm2835aux.c
+++ b/drivers/spi/spi-bcm2835aux.c
@@ -520,8 +520,8 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev)
 	}
 
 	bs->irq = platform_get_irq(pdev, 0);
-	if (bs->irq <= 0)
-		return bs->irq ? bs->irq : -ENODEV;
+	if (bs->irq < 0)
+		return bs->irq;
 
 	/* this also enables the HW block */
 	err = clk_prepare_enable(bs->clk);
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index 42f101d357c3..7b0136536cfb 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -627,8 +627,8 @@ static int cdns_spi_probe(struct platform_device *pdev)
 	cdns_spi_init_hw(xspi, spi_controller_is_slave(ctlr));
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		ret = -ENXIO;
+	if (irq < 0) {
+		ret = irq;
 		goto clk_dis_all;
 	}
 
-- 
2.34.1