From 044930b4a69a6c0645b6199bec4f870e0b6e77f4 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 19 Mar 2015 04:13:47 +0000 Subject: ASoC: rsnd: no more SSI restart when unusual situation It will be SSI interrupt endless loop f unusual situation happen. This patch adds restart limit for it. Signed-off-by: Kuninori Morimoto Signed-off-by: Mark Brown --- sound/soc/sh/rcar/ssi.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'sound/soc/sh/rcar') diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index fea4aa53918a..060d3d205250 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -416,11 +416,14 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data) /* * restart SSI */ - rsnd_ssi_stop(mod, priv); - rsnd_ssi_start(mod, priv); - dev_dbg(dev, "%s[%d] restart\n", rsnd_mod_name(mod), rsnd_mod_id(mod)); + + rsnd_ssi_stop(mod, priv); + if (ssi->err < 1024) + rsnd_ssi_start(mod, priv); + else + dev_warn(dev, "no more SSI restart\n"); } rsnd_ssi_record_error(ssi, status); -- cgit v1.2.3-55-g7522