linux-kernel - [PATCH] drivers: i2c: remove dead code in davinci_i2c

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Date:   Mon,  6 Mar 2023 10:45:23 +0800
From:   Dongliang Mu <dzm91@...t.edu.cn>
To:     Sekhar Nori <nsekhar@...com>, Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Dongliang Mu <dzm91@...t.edu.cn>,
        linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: i2c: remove dead code in davinci_i2c_probe

>From the comment of platform_get_irq, it only returns non-zero IRQ
number and negative error number, other than zero.

Fix this by removing the if condition.

Signed-off-by: Dongliang Mu <dzm91@...t.edu.cn>
---
 drivers/i2c/busses/i2c-davinci.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index c836cf884185..9750310f2c96 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -764,11 +764,8 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 	int r, irq;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		if (!irq)
-			irq = -ENXIO;
+	if (irq < 0)
 		return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
-	}
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),
 			GFP_KERNEL);
-- 
2.39.2