diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-07-05 21:10:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-05 21:10:23 +0200 |
| commit | 90574ebb7e6e0f7f74636ee87315890ba88d6a4a (patch) | |
| tree | 5f60106dacbfe246f52aaaf9bac69dd4749f24a6 /drivers/media/video/cx18/cx18-mailbox.c | |
| parent | add79461a2a7d964a00b4a2fdaf313c4cf9cf4ec (diff) | |
| parent | ce5c1fe9a9e059b5c58f0a7e2a3e687d0efac815 (diff) | |
Merge branch 'perf/urgent' into perf/core
Merge this branch to pick up a fixlet and to update to a more recent base.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index ed8118390b0..eabf00c6351 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -434,6 +434,7 @@ static int epu_dma_done_irq(struct cx18 *cx, struct cx18_in_work_order *order) { u32 handle, mdl_ack_offset, mdl_ack_count; struct cx18_mailbox *mb; + int i; mb = &order->mb; handle = mb->args[0]; @@ -447,8 +448,9 @@ static int epu_dma_done_irq(struct cx18 *cx, struct cx18_in_work_order *order) return -1; } - cx18_memcpy_fromio(cx, order->mdl_ack, cx->enc_mem + mdl_ack_offset, - sizeof(struct cx18_mdl_ack) * mdl_ack_count); + for (i = 0; i < sizeof(struct cx18_mdl_ack) * mdl_ack_count; i += sizeof(u32)) + ((u32 *)order->mdl_ack)[i / sizeof(u32)] = + cx18_readl(cx, cx->enc_mem + mdl_ack_offset + i); if ((order->flags & CX18_F_EWO_MB_STALE) == 0) mb_ack_irq(cx, order); @@ -538,6 +540,7 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) struct cx18_mailbox *order_mb; struct cx18_in_work_order *order; int submit; + int i; switch (rpu) { case CPU: @@ -562,10 +565,12 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) order_mb = &order->mb; /* mb->cmd and mb->args[0] through mb->args[2] */ - cx18_memcpy_fromio(cx, &order_mb->cmd, &mb->cmd, 4 * sizeof(u32)); + for (i = 0; i < 4; i++) + (&order_mb->cmd)[i] = cx18_readl(cx, &mb->cmd + i); + /* mb->request and mb->ack. N.B. we want to read mb->ack last */ - cx18_memcpy_fromio(cx, &order_mb->request, &mb->request, - 2 * sizeof(u32)); + for (i = 0; i < 2; i++) + (&order_mb->request)[i] = cx18_readl(cx, &mb->request + i); if (order_mb->request == order_mb->ack) { CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our " |