linux-kernel - [PATCH v2 -next] crypto: inside-secure - Fix build error without CONFIG

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Message-ID: <20190903014518.20880-1-yuehaibing@huawei.com>
Date:   Tue, 3 Sep 2019 09:45:18 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <antoine.tenart@...tlin.com>, <herbert@...dor.apana.org.au>,
        <davem@...emloft.net>, <pvanleeuwen@...idesecure.com>
CC:     <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH v2 -next] crypto: inside-secure - Fix build error without CONFIG_PCI

If CONFIG_PCI is not set, building fails:

rivers/crypto/inside-secure/safexcel.c: In function safexcel_request_ring_irq:
drivers/crypto/inside-secure/safexcel.c:944:9: error: implicit declaration of function pci_irq_vector;
 did you mean rcu_irq_enter? [-Werror=implicit-function-declaration]
   irq = pci_irq_vector(pci_pdev, irqid);
         ^~~~~~~~~~~~~~

Use #ifdef block to guard this.

Fixes: 625f269a5a7a ("crypto: inside-secure - add support for PCI based FPGA development board")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
v2: use 'ifdef' instead of 'IS_ENABLED'
---
 drivers/crypto/inside-secure/safexcel.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index e12a2a3..5253900 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -937,7 +937,8 @@ static int safexcel_request_ring_irq(void *pdev, int irqid,
 	int ret, irq;
 	struct device *dev;
 
-	if (IS_ENABLED(CONFIG_PCI) && is_pci_dev) {
+#ifdef CONFIG_PCI
+	if (is_pci_dev) {
 		struct pci_dev *pci_pdev = pdev;
 
 		dev = &pci_pdev->dev;
@@ -947,7 +948,10 @@ static int safexcel_request_ring_irq(void *pdev, int irqid,
 				irqid, irq);
 			return irq;
 		}
-	} else if (IS_ENABLED(CONFIG_OF)) {
+	} else
+#endif
+	{
+#ifdef CONFIG_OF
 		struct platform_device *plf_pdev = pdev;
 		char irq_name[6] = {0}; /* "ringX\0" */
 
@@ -960,6 +964,7 @@ static int safexcel_request_ring_irq(void *pdev, int irqid,
 				irq_name, irq);
 			return irq;
 		}
+#endif
 	}
 
 	ret = devm_request_threaded_irq(dev, irq, handler,
@@ -1137,7 +1142,8 @@ static int safexcel_probe_generic(void *pdev,
 
 	safexcel_configure(priv);
 
-	if (IS_ENABLED(CONFIG_PCI) && priv->version == EIP197_DEVBRD) {
+#ifdef CONFIG_PCI
+	if (priv->version == EIP197_DEVBRD) {
 		/*
 		 * Request MSI vectors for global + 1 per ring -
 		 * or just 1 for older dev images
@@ -1153,6 +1159,7 @@ static int safexcel_probe_generic(void *pdev,
 			return ret;
 		}
 	}
+#endif
 
 	/* Register the ring IRQ handlers and configure the rings */
 	priv->ring = devm_kcalloc(dev, priv->config.rings,
-- 
2.7.4