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| author | Jack Steiner <steiner@sgi.com> | 2008-10-15 22:05:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 11:21:51 -0700 |
| commit | 923f7f6970bd448b8e88b9e4be10fd01fc7106a4 (patch) | |
| tree | 5e9f5646f547eaa345068f177815ebadd6a95454 /drivers/misc/sgi-gru/grufile.c | |
| parent | ebf3f09c634906d371f2bfd71b41c7e0c52efe7e (diff) | |
| download | kernel_goldelico_gta04-923f7f6970bd448b8e88b9e4be10fd01fc7106a4.zip kernel_goldelico_gta04-923f7f6970bd448b8e88b9e4be10fd01fc7106a4.tar.gz kernel_goldelico_gta04-923f7f6970bd448b8e88b9e4be10fd01fc7106a4.tar.bz2 | |
GRU driver: minor updates
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>
Diffstat (limited to 'drivers/misc/sgi-gru/grufile.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grufile.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index d61cee7..5c027b6 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -113,7 +113,7 @@ static int gru_file_mmap(struct file *file, struct vm_area_struct *vma) return -EPERM; if (vma->vm_start & (GRU_GSEG_PAGESIZE - 1) || - vma->vm_end & (GRU_GSEG_PAGESIZE - 1)) + vma->vm_end & (GRU_GSEG_PAGESIZE - 1)) return -EINVAL; vma->vm_flags |= @@ -398,6 +398,12 @@ static int __init gru_init(void) irq = get_base_irq(); for (chip = 0; chip < GRU_CHIPLETS_PER_BLADE; chip++) { ret = request_irq(irq + chip, gru_intr, 0, id, NULL); + /* TODO: fix irq handling on x86. For now ignore failures because + * interrupts are not required & not yet fully supported */ + if (ret) { + printk("!!!WARNING: GRU ignoring request failure!!!\n"); + ret = 0; + } if (ret) { printk(KERN_ERR "%s: request_irq failed\n", GRU_DRIVER_ID_STR); |