char: xillybus: Remove redundant dev_err()

Since commit 55b48e23f5c4 ("genirq/devres: Add error handling in
devm_request_*_irq()"), devm_request_irq() automatically logs
detailed error messages on failure. Remove the now-redundant
driver-specific dev_err() calls.

Signed-off-by: Pan Chuang <panchuang@vivo.com>
Acked-by: Eli Billauer <eli.billauer@gmail.com>
Link: https://patch.msgid.link/20260710105318.376496-4-panchuang@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/xillybus/xillybus_of.c

diff --git a/drivers/char/xillybus/xillybus_of.c b/drivers/char/xillybus/xillybus_of.c
index 1a1e641..46e1046 100644
--- a/drivers/char/xillybus/xillybus_of.c
+++ b/drivers/char/xillybus/xillybus_of.c
@@ -55,11 +55,8 @@ static int xilly_drv_probe(struct platform_device *op)
 
 	rc = devm_request_irq(dev, irq, xillybus_isr, 0, xillyname, endpoint);
 
-	if (rc) {
-		dev_err(endpoint->dev,
-			"Failed to register IRQ handler. Aborting.\n");
+	if (rc)
 		return -ENODEV;
-	}
 
 	return xillybus_endpoint_discovery(endpoint);
 }

drivers/char/xillybus/xillybus_pcie.c

diff --git a/drivers/char/xillybus/xillybus_pcie.c b/drivers/char/xillybus/xillybus_pcie.c
index 9858711..32064b6 100644
--- a/drivers/char/xillybus/xillybus_pcie.c
+++ b/drivers/char/xillybus/xillybus_pcie.c
@@ -83,11 +83,8 @@ static int xilly_probe(struct pci_dev *pdev,
 	}
 	rc = devm_request_irq(&pdev->dev, pdev->irq, xillybus_isr, 0,
 			      xillyname, endpoint);
-	if (rc) {
-		dev_err(endpoint->dev,
-			"Failed to register MSI handler. Aborting.\n");
+	if (rc)
 		return -ENODEV;
-	}
 
 	/*
 	 * Some (old and buggy?) hardware drops 64-bit addressed PCIe packets,