#include <linux/interrupt.h>
#include <asm/io.h> /* for read? and write? functions */
#include <linux/delay.h> /* for delays */
+#include <linux/mutex.h>
#define MY_NAME "cpqphp"
struct controller {
struct controller *next;
u32 ctrl_int_comp;
- struct semaphore crit_sect; /* critical section semaphore */
+ struct mutex crit_sect; /* critical section mutex */
void __iomem *hpc_reg; /* cookie for our pci controller location */
struct pci_resource *mem_head;
struct pci_resource *p_mem_head;