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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-05-08 13:39:59 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-05-08 13:39:59 +0200
commit5e13a0c5ec05d382b488a691dfb8af015b1dea1e (patch)
tree7a06dfa1f7661f8908193f2437b32452520221d3 /arch/powerpc/sysdev/mpic_msgr.c
parentb615b57a124a4af7b68196bc2fb8acc236041fa2 (diff)
parent4f256e8aa3eda15c11c3cec3ec5336e1fc579cbd (diff)
Merge remote-tracking branch 'airlied/drm-core-next' into drm-intel-next-queued
Backmerge of drm-next to resolve a few ugly conflicts and to get a few fixes from 3.4-rc6 (which drm-next has already merged). Note that this merge also restricts the stencil cache lra evict policy workaround to snb (as it should) - I had to frob the code anyway because the CM0_MASK_SHIFT define died in the masked bit cleanups. We need the backmerge to get Paulo Zanoni's infoframe regression fix for gm45 - further bugfixes from him touch the same area and would needlessly conflict. Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/powerpc/sysdev/mpic_msgr.c')
-rw-r--r--arch/powerpc/sysdev/mpic_msgr.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 6e7fa386e76..483d8fa72e8 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -27,6 +27,7 @@
static struct mpic_msgr **mpic_msgrs;
static unsigned int mpic_msgr_count;
+static DEFINE_RAW_SPINLOCK(msgrs_lock);
static inline void _mpic_msgr_mer_write(struct mpic_msgr *msgr, u32 value)
{
@@ -56,12 +57,11 @@ struct mpic_msgr *mpic_msgr_get(unsigned int reg_num)
if (reg_num >= mpic_msgr_count)
return ERR_PTR(-ENODEV);
- raw_spin_lock_irqsave(&msgr->lock, flags);
- if (mpic_msgrs[reg_num]->in_use == MSGR_FREE) {
- msgr = mpic_msgrs[reg_num];
+ raw_spin_lock_irqsave(&msgrs_lock, flags);
+ msgr = mpic_msgrs[reg_num];
+ if (msgr->in_use == MSGR_FREE)
msgr->in_use = MSGR_INUSE;
- }
- raw_spin_unlock_irqrestore(&msgr->lock, flags);
+ raw_spin_unlock_irqrestore(&msgrs_lock, flags);
return msgr;
}
@@ -228,7 +228,7 @@ static __devinit int mpic_msgr_probe(struct platform_device *dev)
reg_number = block_number * MPIC_MSGR_REGISTERS_PER_BLOCK + i;
msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;
- msgr->mer = msgr->base + MPIC_MSGR_MER_OFFSET;
+ msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);
msgr->in_use = MSGR_FREE;
msgr->num = i;
raw_spin_lock_init(&msgr->lock);