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Subject[PATCH 3/5] rpmsg: smd: Wake up all waiters
Date
It's possible to have multiple contexts waiting for new channel events
and with an upcoming change it's possible to have multiple contexts
waiting for a full FIFO. As such we need to wake them all up.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
drivers/rpmsg/qcom_smd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 1beddea6f087..0993e95bf0f5 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -579,7 +579,7 @@ static bool qcom_smd_channel_intr(struct qcom_smd_channel *channel)

/* Signal waiting qcom_smd_send() about the interrupt */
if (!GET_TX_CHANNEL_FLAG(channel, fBLOCKREADINTR))
- wake_up_interruptible(&channel->fblockread_event);
+ wake_up_interruptible_all(&channel->fblockread_event);

/* Don't consume any data until we've opened the channel */
if (channel->state != SMD_CHANNEL_OPENED)
@@ -1191,7 +1191,7 @@ static void qcom_channel_scan_worker(struct work_struct *work)
dev_dbg(&edge->dev, "new channel found: '%s'\n", channel->name);
set_bit(i, edge->allocated[tbl]);

- wake_up_interruptible(&edge->new_channel_event);
+ wake_up_interruptible_all(&edge->new_channel_event);
}
}

--
2.15.0
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