On Thu, Jan 7, 2021 at 7:48 PM Yongqiang Niu [off-list ref] wrote:

On Wed, 2020-12-23 at 16:34 +0800, Yongqiang Niu wrote:

quoted

Add address shift when compose jump instruction
to compatible with 35bit format.

Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")

Signed-off-by: Yongqiang Niu <redacted>
Reviewed-by: Nicolas Boichat <redacted>
---
 drivers/mailbox/mtk-cmdq-mailbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index 5665b6e..75378e3 100644
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c

@@ -168,7 +168,8 @@ static void cmdq_task_insert_into_thread(struct cmdq_task *task)
      dma_sync_single_for_cpu(dev, prev_task->pa_base,
                              prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
      prev_task_base[CMDQ_NUM_CMD(prev_task->pkt) - 1] =
-             (u64)CMDQ_JUMP_BY_PA << 32 | task->pa_base;
+             (u64)CMDQ_JUMP_BY_PA << 32 |
+             (task->pa_base >> task->cmdq->shift_pa);
      dma_sync_single_for_device(dev, prev_task->pa_base,
                                 prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);

hi jassi

please confirm is there any question about this patch.
if not, please apply this into next version, tks

I can't locate this patch in my inbox. And I can't fwd it from lkml to
myself. Please resend.

thnks.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel