linux-kernel - [PATCH] staging: (sb105x) Fix compile error seen if PARPORT

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Message-Id: <1356727271-21633-1-git-send-email-linux@roeck-us.net>
Date:	Fri, 28 Dec 2012 12:41:11 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	Steven Rostedt <rostedt@...dmis.org>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH] staging: (sb105x) Fix compile error seen if PARPORT_PC is undefined

Fix:
ERROR: "parport_pc_probe_port" [drivers/staging/sb105x/sb105x.ko] undefined!

by making the code calling it conditional. Also remove the external reference to
parport_pc_probe_port() from the sb105x source file, as it doesn't belong there.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/staging/sb105x/sb_pci_mp.c |   11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/sb105x/sb_pci_mp.c b/drivers/staging/sb105x/sb_pci_mp.c
index edb2a85..b7ded88 100644
--- a/drivers/staging/sb105x/sb_pci_mp.c
+++ b/drivers/staging/sb105x/sb_pci_mp.c
@@ -1,12 +1,7 @@
 #include "sb_pci_mp.h"
 #include <linux/module.h>
 #include <linux/parport.h>
-
-extern struct parport *parport_pc_probe_port(unsigned long base_lo,
-		unsigned long base_hi,
-		int irq, int dma,
-		struct device *dev,
-		int irqflags);
+#include <linux/parport_pc.h>
 
 static struct mp_device_t mp_devs[MAX_MP_DEV];
 static int mp_nrpcibrds = sizeof(mp_pciboards)/sizeof(mppcibrd_t);
@@ -3066,12 +3061,16 @@ static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd)
 				pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8);
 			}
 
+#if IS_ENABLED(CONFIG_PARPORT_PC)
 			/* add PC compatible parallel port */
 			parport_pc_probe_port(pcidev->resource[2].start, pcidev->resource[3].start, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &pcidev->dev, 0);
+#endif
 			break;
 		case PCI_DEVICE_ID_MP1P :
+#if IS_ENABLED(CONFIG_PARPORT_PC)
 			/* add PC compatible parallel port */
 			parport_pc_probe_port(pcidev->resource[2].start, pcidev->resource[3].start, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &pcidev->dev, 0);
+#endif
 			break;
 	}
 
-- 
1.7.9.7

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