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GRU driver: minor updates

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A few minor updates for the GRU driver.
	- documentation changes found in code reviews
	- changes to #ifdefs to make them recognized by "unifdef"
	  (used in simulator testing)
	- change GRU context load/unload to prefetch data

[akpm@linux-foundation.org: fix typo in comment]
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jack Steiner
2008-10-15 22:05:13 -07:00
committed by Linus Torvalds
parent ebf3f09c63
commit 923f7f6970
7 changed files with 42 additions and 32 deletions
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10
drivers/misc/sgi-gru/gru_instructions.h
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@@ -26,7 +26,7 @@
* Architecture dependent functions
*/
#if defined CONFIG_IA64
#if defined(CONFIG_IA64)
#include <linux/compiler.h>
#include <asm/intrinsics.h>
#define __flush_cache(p) ia64_fc(p)
@@ -36,7 +36,7 @@
barrier(); \
*((volatile int *)(p)) = v; /* force st.rel */ \
} while (0)
#elif defined CONFIG_X86_64
#elif defined(CONFIG_X86_64)
#define __flush_cache(p) clflush(p)
#define gru_ordered_store_int(p,v) \
do { \
@@ -299,6 +299,7 @@ static inline void gru_flush_cache(void *p)
static inline void gru_start_instruction(struct gru_instruction *ins, int op32)
{
gru_ordered_store_int(ins, op32);
gru_flush_cache(ins);
}
@@ -604,8 +605,9 @@ static inline int gru_get_cb_substatus(void *cb)
static inline int gru_check_status(void *cb)
{
struct gru_control_block_status *cbs = (void *)cb;
int ret = cbs->istatus;
int ret;
ret = cbs->istatus;
if (ret == CBS_CALL_OS)
ret = gru_check_status_proc(cb);
return ret;
@@ -617,7 +619,7 @@ static inline int gru_check_status(void *cb)
static inline int gru_wait(void *cb)
{
struct gru_control_block_status *cbs = (void *)cb;
int ret = cbs->istatus;;
int ret = cbs->istatus;
if (ret != CBS_IDLE)
ret = gru_wait_proc(cb);