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authorMasato Noguchi <Masato.Noguchi@jp.sony.com>2007-12-20 16:39:59 +0900
committerPaul Mackerras <paulus@samba.org>2007-12-21 19:46:20 +1100
commit9476141c185aa131fa8b4b6ccc5c0ccf92300225 (patch)
treef3a594fa7c3945d9cd527d6df3cff30d0b2e6ab7 /arch/powerpc
parentb192541b39ed29ff82f9f2d5427f451e89617f1c (diff)
[POWERPC] spufs: don't set reserved bits in spu interrupt status
This changes the spu context switch code to not write to reserved bits of spu interrupt status register. The architecture book says the reserved fields should be set to zero. Signed-off-by: Masato Noguchi <Masato.Noguchi@jp.sony.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/cell/spufs/switch.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index 1a7d7a0f66f..6063c88c26d 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -740,9 +740,9 @@ static inline void enable_interrupts(struct spu_state *csa, struct spu *spu)
* (translation) interrupts.
*/
spin_lock_irq(&spu->register_lock);
- spu_int_stat_clear(spu, 0, ~0ul);
- spu_int_stat_clear(spu, 1, ~0ul);
- spu_int_stat_clear(spu, 2, ~0ul);
+ spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK);
+ spu_int_stat_clear(spu, 1, CLASS1_INTR_MASK);
+ spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK);
spu_int_mask_set(spu, 0, 0ul);
spu_int_mask_set(spu, 1, class1_mask);
spu_int_mask_set(spu, 2, 0ul);
@@ -899,8 +899,8 @@ static inline void wait_tag_complete(struct spu_state *csa, struct spu *spu)
POLL_WHILE_FALSE(in_be32(&prob->dma_tagstatus_R) & mask);
local_irq_save(flags);
- spu_int_stat_clear(spu, 0, ~(0ul));
- spu_int_stat_clear(spu, 2, ~(0ul));
+ spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK);
+ spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK);
local_irq_restore(flags);
}
@@ -918,8 +918,8 @@ static inline void wait_spu_stopped(struct spu_state *csa, struct spu *spu)
POLL_WHILE_TRUE(in_be32(&prob->spu_status_R) & SPU_STATUS_RUNNING);
local_irq_save(flags);
- spu_int_stat_clear(spu, 0, ~(0ul));
- spu_int_stat_clear(spu, 2, ~(0ul));
+ spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK);
+ spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK);
local_irq_restore(flags);
}
@@ -1395,9 +1395,9 @@ static inline void clear_interrupts(struct spu_state *csa, struct spu *spu)
spu_int_mask_set(spu, 0, 0ul);
spu_int_mask_set(spu, 1, 0ul);
spu_int_mask_set(spu, 2, 0ul);
- spu_int_stat_clear(spu, 0, ~0ul);
- spu_int_stat_clear(spu, 1, ~0ul);
- spu_int_stat_clear(spu, 2, ~0ul);
+ spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK);
+ spu_int_stat_clear(spu, 1, CLASS1_INTR_MASK);
+ spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK);
spin_unlock_irq(&spu->register_lock);
}