From: Kai Vehmanen <kai.vehma...@nokia.com> If HSI port is not configured by ssi_protocol, return an error from char device open.
Signed-off-by: Kai Vehmanen <kai.vehma...@nokia.com> Acked-by: Carlos Chinea <carlos.chi...@nokia.com> Signed-off-by: Joni Lapilainen <joni.lapilai...@gmail.com> Signed-off-by: Sebastian Reichel <s...@kernel.org> --- drivers/hsi/clients/cmt_speech.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/hsi/clients/cmt_speech.c b/drivers/hsi/clients/cmt_speech.c index 389eafb..56846c9 100644 --- a/drivers/hsi/clients/cmt_speech.c +++ b/drivers/hsi/clients/cmt_speech.c @@ -1037,6 +1037,13 @@ static int cs_hsi_start(struct cs_hsi_iface **hi, struct hsi_client *cl, dev_err(&cl->device, "Could not get HSI master client\n"); goto leave4; } + if (!ssip_slave_running(hsi_if->master)) { + err = -ENODEV; + dev_err(&cl->device, + "HSI port not initialized\n"); + goto leave4; + } + hsi_if->iface_state = CS_STATE_OPENED; local_bh_disable(); cs_hsi_read_on_control(hsi_if); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html