[tip: irq/core] irqchip/imx-irqsteer: Use dev_err_probe() to simplify error handling

[tip-bot2 for Anson Huang]

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     e0c45b107fc94c5a7a230b25cdbecab004ab1ed5
Gitweb:        https://git.kernel.org/tip/e0c45b107fc94c5a7a230b25cdbecab004ab1ed5
Author:        Anson Huang <Anson.Huang@xxxxxxx>
AuthorDate:    Tue, 11 Aug 2020 14:16:16 +08:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Sun, 13 Sep 2020 17:38:52 +01:00

irqchip/imx-irqsteer: Use dev_err_probe() to simplify error handling

dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/1597126576-18383-2-git-send-email-Anson.Huang@xxxxxxx
---
 drivers/irqchip/irq-imx-irqsteer.c |  9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c
index 290531e..1edf769 100644
--- a/drivers/irqchip/irq-imx-irqsteer.c
+++ b/drivers/irqchip/irq-imx-irqsteer.c
@@ -158,12 +158,9 @@ static int imx_irqsteer_probe(struct platform_device *pdev)
 	}
 
 	data->ipg_clk = devm_clk_get(&pdev->dev, "ipg");
-	if (IS_ERR(data->ipg_clk)) {
-		ret = PTR_ERR(data->ipg_clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to get ipg clk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(data->ipg_clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(data->ipg_clk),
+				     "failed to get ipg clk\n");
 
 	raw_spin_lock_init(&data->lock);