Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Fix parport_pc build.
[SPARC64]: Update defconfig.

arch/sparc64/defconfig

···
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.21-rc1
-# Mon Feb 26 10:45:21 2007
+# Linux kernel version: 2.6.21-rc2
+# Wed Feb 28 09:50:51 2007
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
···
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 
 #

include/asm-sparc64/dma.h

···
 #define for_each_dvma(dma) \
         for((dma) = dma_chain; (dma); (dma) = (dma)->next)
 
-extern int get_dma_list(char *);
-extern int request_dma(unsigned int, __const__ char *);
-extern void free_dma(unsigned int);
-
 /* From PCI */
 
 #ifdef CONFIG_PCI

include/asm-sparc64/parport.h

···
 	struct ebus_dma_info info;
 	unsigned int addr;
 	unsigned int count;
+	int lock;
 } sparc_ebus_dmas[PARPORT_PC_MAX_PORTS];
+
+static __inline__ int request_dma(unsigned int dmanr, const char *device_id)
+{
+	if (dmanr >= PARPORT_PC_MAX_PORTS)
+		return -EINVAL;
+	if (xchg(&sparc_ebus_dmas[dmanr].lock, 1) != 0)
+		return -EBUSY;
+	return 0;
+}
+
+static __inline__ void free_dma(unsigned int dmanr)
+{
+	if (dmanr >= PARPORT_PC_MAX_PORTS) {
+		printk(KERN_WARNING "Trying to free DMA%d\n", dmanr);
+		return;
+	}
+	if (xchg(&sparc_ebus_dmas[dmanr].lock, 0) == 0) {
+		printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr);
+		return;
+	}	
+}
 
 static __inline__ void enable_dma(unsigned int dmanr)
 {