This patch change the align of mbox stack resource to 32. The reason is
that I had some experience with bcm2836 and the mbox implementation,
after setting the align to 64(on bcm2836) the issues was gone.
I found these values inside the u-boot implementation, they use 32
(bcm2835) and 64 (bcm2836).
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
arch/arm/mach-bcm283x/include/mach/mbox.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h b/arch/arm/mach-bcm283x/include/mach/mbox.h
index 4c3fd77..09b31f2 100644
--- a/arch/arm/mach-bcm283x/include/mach/mbox.h
+++ b/arch/arm/mach-bcm283x/include/mach/mbox.h
@@ -73,8 +73,10 @@ struct bcm2835_mbox_hdr {
#define BCM2835_MBOX_REQ_CODE 0
#define BCM2835_MBOX_RESP_CODE_SUCCESS 0x80000000
+#define BCM2835_CACHELINE_SIZE 32
+
#define BCM2835_MBOX_STACK_ALIGN(type, name) \
- STACK_ALIGN_ARRAY(type, name, 1, BCM2835_CHAN_MASK + 1)
+ STACK_ALIGN_ARRAY(type, name, 1, BCM2835_CACHELINE_SIZE)
#define BCM2835_MBOX_INIT_HDR(_m_) { \
memset((_m_), 0, sizeof(*(_m_))); \
--
2.6.1
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