caif-hsi: Remove wake line modification when flushing FIFO

Raising wake before flushing FIFO and lowering it after caused a
spike on AC wake that were sometimes detected and acted upon by the
modem. Fixed this by remove wake line modification when flushing FIFO.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 0733525..a85b29e 100644 (file)
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -117,15 +117,6 @@ static int cfhsi_flush_fifo(struct cfhsi *cfhsi)
        dev_dbg(&cfhsi->ndev->dev, "%s.\n",
                __func__);
 
-
-       ret = cfhsi->dev->cfhsi_wake_up(cfhsi->dev);
-       if (ret) {
-               dev_warn(&cfhsi->ndev->dev,
-                       "%s: can't wake up HSI interface: %d.\n",
-                       __func__, ret);
-               return ret;
-       }
-
        do {
                ret = cfhsi->dev->cfhsi_fifo_occupancy(cfhsi->dev,
                                &fifo_occupancy);
@@ -168,8 +159,6 @@ static int cfhsi_flush_fifo(struct cfhsi *cfhsi)
                }
        } while (1);
 
-       cfhsi->dev->cfhsi_wake_down(cfhsi->dev);
-
        return ret;
 }