mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2025-01-10 07:00:48 +00:00
[SPARC64]: Fix parport_pc build.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
5f1ef5108a
commit
74bd7d093b
@ -205,10 +205,6 @@ do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
|
|||||||
#define for_each_dvma(dma) \
|
#define for_each_dvma(dma) \
|
||||||
for((dma) = dma_chain; (dma); (dma) = (dma)->next)
|
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 */
|
/* From PCI */
|
||||||
|
|
||||||
#ifdef CONFIG_PCI
|
#ifdef CONFIG_PCI
|
||||||
|
@ -23,8 +23,30 @@ static struct sparc_ebus_info {
|
|||||||
struct ebus_dma_info info;
|
struct ebus_dma_info info;
|
||||||
unsigned int addr;
|
unsigned int addr;
|
||||||
unsigned int count;
|
unsigned int count;
|
||||||
|
int lock;
|
||||||
} sparc_ebus_dmas[PARPORT_PC_MAX_PORTS];
|
} 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)
|
static __inline__ void enable_dma(unsigned int dmanr)
|
||||||
{
|
{
|
||||||
ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
|
ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
|
||||||
|
Loading…
x
Reference in New Issue
Block a user