linux-kernel - [PATCH V2] ata: ahci: ceva: Updated code by using dev_err

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Date:   Fri, 5 Mar 2021 14:40:29 +0530
From:   Piyush Mehta <piyush.mehta@...inx.com>
To:     <axboe@...nel.dk>
CC:     <linux-ide@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <git@...inx.com>, <sgoud@...inx.com>, <michal.simek@...inx.com>,
        Piyush Mehta <piyush.mehta@...inx.com>
Subject: [PATCH V2] ata: ahci: ceva: Updated code by using dev_err_probe()

Updated code with already prepared dev_err_probe(). It reduces code size
and simplifies EPROBE_DEFER handling.

Also, unify message format for similar error cases.

Signed-off-by: Piyush Mehta <piyush.mehta@...inx.com>
Acked-by: Michal Simek <michal.simek@...inx.com>
---
This patch is based on ahci-ceva patches:
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-next&id=5542fabd9e07d6c49c07862e73070c325f93d390

Tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/tree/?h=for-next

Changes for V2:
- Address review comment- remove curly brackets {}. 
---
 drivers/ata/ahci_ceva.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/ata/ahci_ceva.c b/drivers/ata/ahci_ceva.c
index b980218..50b56cd 100644
--- a/drivers/ata/ahci_ceva.c
+++ b/drivers/ata/ahci_ceva.c
@@ -206,11 +206,9 @@ static int ceva_ahci_probe(struct platform_device *pdev)
 
 	cevapriv->rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
 								  NULL);
-	if (IS_ERR(cevapriv->rst)) {
-		if (PTR_ERR(cevapriv->rst) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to get reset: %ld\n",
-				PTR_ERR(cevapriv->rst));
-	}
+	if (IS_ERR(cevapriv->rst))
+		dev_err_probe(&pdev->dev, PTR_ERR(cevapriv->rst),
+			      "failed to get reset\n");
 
 	hpriv = ahci_platform_get_resources(pdev, 0);
 	if (IS_ERR(hpriv))
-- 
2.7.4