diff options
| author | Liviu Dudau <Liviu.Dudau@arm.com> | 2014-07-24 12:21:17 +0100 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2015-03-04 09:34:20 +0000 |
| commit | 141a8e462f91415b91650ca1164655b39080e50c (patch) | |
| tree | 863e8e54eb5254884724436366c119335541897a | |
| parent | c0477aa4529e9d8f03e89997ea6c5e1eb88b7ee0 (diff) | |
mailbox: mhu: Acknowledge the interrupt only after data is pushed
According to the mailbox documentation the controller should ACK
the RX only after it has finished pushing the data up the link.
Signed-off-by: Punit Agrawal <Punit.Agrawal@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
| -rw-r--r-- | drivers/mailbox/arm_mhu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mailbox/arm_mhu.c b/drivers/mailbox/arm_mhu.c index 6256caae9133..5029af71780d 100644 --- a/drivers/mailbox/arm_mhu.c +++ b/drivers/mailbox/arm_mhu.c @@ -130,8 +130,8 @@ static irqreturn_t mbox_handler(int irq, void *p) memcpy(data->rx_buf, payload + RX_PAYLOAD(idx), data->rx_size); chan->data = NULL; - writel(~0, mbox_base + RX_CLEAR(idx)); mbox_chan_received_data(link, data); + writel(~0, mbox_base + RX_CLEAR(idx)); } return IRQ_HANDLED; |