staging: kpc2000: use __func__ in debug messages in core.c

Fixes checkpatch.pl warning "Prefer using '"%s...", __func__' to using
'<function name>', this function's name, in a string".
Signed-off-by: Simon Sandström <simon@nikanor.nu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/kpc2000/kpc2000/core.c

@@ -312,8 +312,8 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
 	unsigned long dma_bar_phys_len;
 	u16 regval;
 
-	dev_dbg(&pdev->dev, "kp2000_pcie_probe(pdev = [%p], id = [%p])\n",
-		pdev, id);
+	dev_dbg(&pdev->dev, "%s(pdev = [%p], id = [%p])\n",
+		__func__, pdev, id);
 
 	/*
 	 * Step 1: Allocate a struct for the pcard
@@ -481,7 +481,7 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
 			 pcard->name, pcard);
 	if (rv) {
 		dev_err(&pcard->pdev->dev,
-			"kp2000_pcie_probe: failed to request_irq: %d\n", rv);
+			"%s: failed to request_irq: %d\n", __func__, rv);
 		goto out8b;
 	}
 
@@ -507,7 +507,7 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
 	writel(KPC_DMA_CARD_IRQ_ENABLE | KPC_DMA_CARD_USER_INTERRUPT_MODE,
 	       pcard->dma_common_regs);
 
-	dev_dbg(&pcard->pdev->dev, "kp2000_pcie_probe() complete!\n");
+	dev_dbg(&pcard->pdev->dev, "%s() complete!\n", __func__);
 	mutex_unlock(&pcard->sem);
 	return 0;
 
@@ -541,7 +541,7 @@ static void kp2000_pcie_remove(struct pci_dev *pdev)
 {
 	struct kp2000_device *pcard = pci_get_drvdata(pdev);
 
-	dev_dbg(&pdev->dev, "kp2000_pcie_remove(pdev=%p)\n", pdev);
+	dev_dbg(&pdev->dev, "%s(pdev=%p)\n", __func__, pdev);
 
 	if (!pcard)
 		return;