#
# 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
#
#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
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)
{
ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);