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path: root/drivers/net/wan/dscc4.c
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Diffstat (limited to 'drivers/net/wan/dscc4.c')
-rw-r--r--drivers/net/wan/dscc4.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c
index 1ff5de076d2..4505540e3c5 100644
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -105,6 +105,7 @@
#include <linux/delay.h>
#include <net/syncppp.h>
#include <linux/hdlc.h>
+#include <linux/mutex.h>
/* Version */
static const char version[] = "$Id: dscc4.c,v 1.173 2003/09/20 23:55:34 romieu Exp $ for Linux\n";
@@ -112,7 +113,7 @@ static int debug;
static int quartz;
#ifdef CONFIG_DSCC4_PCI_RST
-static DECLARE_MUTEX(dscc4_sem);
+static DEFINE_MUTEX(dscc4_mutex);
static u32 dscc4_pci_config_store[16];
#endif
@@ -1018,7 +1019,7 @@ static void dscc4_pci_reset(struct pci_dev *pdev, void __iomem *ioaddr)
{
int i;
- down(&dscc4_sem);
+ mutex_lock(&dscc4_mutex);
for (i = 0; i < 16; i++)
pci_read_config_dword(pdev, i << 2, dscc4_pci_config_store + i);
@@ -1039,7 +1040,7 @@ static void dscc4_pci_reset(struct pci_dev *pdev, void __iomem *ioaddr)
for (i = 0; i < 16; i++)
pci_write_config_dword(pdev, i << 2, dscc4_pci_config_store[i]);
- up(&dscc4_sem);
+ mutex_unlock(&dscc4_mutex);
}
#else
#define dscc4_pci_reset(pdev,ioaddr) do {} while (0)