From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
It will be SRC interrupt endless loop f unusual situation happen. This patch adds restart limit for it.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/rcar/src.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 6ce8985..cc93f32 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -620,13 +620,17 @@ static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
if (rsnd_src_error_record_gen2(mod)) { struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct rsnd_src *src = rsnd_mod_to_src(mod); struct device *dev = rsnd_priv_to_dev(priv);
- _rsnd_src_stop_gen2(mod); - _rsnd_src_start_gen2(mod); - dev_dbg(dev, "%s[%d] restart\n", rsnd_mod_name(mod), rsnd_mod_id(mod)); + + _rsnd_src_stop_gen2(mod); + if (src->err < 1024) + _rsnd_src_start_gen2(mod); + else + dev_warn(dev, "no more SRC restart\n"); }
return IRQ_HANDLED;