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>

1 files changed, 0 insertions, 11 deletions

diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 073352517adc..a85b29e797f0 100644
--- 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;
 }