Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a103f347a5ae2735b9bf0a725a36c34be3f24c88
Commit: a103f347a5ae2735b9bf0a725a36c34be3f24c88
Parent: d40a01d4f4f205d0645beb371edc153d9ec8fb9f
Author: Masato Noguchi <[EMAIL PROTECTED]>
AuthorDate: Fri Jul 20 21:39:39 2007 +0200
Committer: Arnd Bergmann <[EMAIL PROTECTED]>
CommitDate: Fri Jul 20 21:41:57 2007 +0200
[CELL] spufs: limit saving MFC_CNTL bits
At save step 8, the mfc control register in the CSA should be written
_only_ with Sc and Sm bits (at least MFC_CNTL[Dh] should be set to 0)
Signed-off-by: Masato Noguchi <[EMAIL PROTECTED]>
Signed-off-by: Jeremy Kerr <[EMAIL PROTECTED]>
Signed-off-by: Arnd Bergmann <[EMAIL PROTECTED]>
---
arch/powerpc/platforms/cell/spufs/switch.c | 13 ++++---------
1 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c
b/arch/powerpc/platforms/cell/spufs/switch.c
index d4dea18..c970b14 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -180,7 +180,7 @@ static inline void save_mfc_cntl(struct spu_state *csa,
struct spu *spu)
case MFC_CNTL_SUSPEND_COMPLETE:
if (csa) {
csa->priv2.mfc_control_RW =
- in_be64(&priv2->mfc_control_RW) |
+ MFC_CNTL_SUSPEND_MASK |
MFC_CNTL_SUSPEND_DMA_QUEUE;
}
break;
@@ -190,9 +190,7 @@ static inline void save_mfc_cntl(struct spu_state *csa,
struct spu *spu)
MFC_CNTL_SUSPEND_DMA_STATUS_MASK) ==
MFC_CNTL_SUSPEND_COMPLETE);
if (csa) {
- csa->priv2.mfc_control_RW =
- in_be64(&priv2->mfc_control_RW) &
- ~MFC_CNTL_SUSPEND_DMA_QUEUE;
+ csa->priv2.mfc_control_RW = 0;
}
break;
}
@@ -251,11 +249,8 @@ static inline void save_mfc_decr(struct spu_state *csa,
struct spu *spu)
* Read MFC_CNTL[Ds]. Update saved copy of
* CSA.MFC_CNTL[Ds].
*/
- if (in_be64(&priv2->mfc_control_RW) & MFC_CNTL_DECREMENTER_RUNNING) {
- csa->priv2.mfc_control_RW |= MFC_CNTL_DECREMENTER_RUNNING;
- } else {
- csa->priv2.mfc_control_RW &= ~MFC_CNTL_DECREMENTER_RUNNING;
- }
+ csa->priv2.mfc_control_RW |=
+ in_be64(&priv2->mfc_control_RW) & MFC_CNTL_DECREMENTER_RUNNING;
}
static inline void halt_mfc_decr(struct spu_state *csa, struct spu *spu)
-
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