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ASoC: rsnd: don't use devm_request_irq() for SSI

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SSI will use DMA mode, and migh be fallback to PIO mode.
Using devm_request_irq() makes its operation more complex when
it fallbacks to PIO mode.
Let's use manual request_irq()/free_irq()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2016-10-25 00:36:34 +00:00 committed by Mark Brown
parent b99305d201
commit 701172dca1
1 changed files with 9 additions and 8 deletions
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17
sound/soc/sh/rcar/ssi.c
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@ -644,10 +644,14 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod,
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = devm_request_irq(dev, ssi->irq, /*
rsnd_ssi_interrupt, * SSI might be called again as PIO fallback
IRQF_SHARED, * It is easy to manual handling for IRQ request/free
dev_name(dev), mod); */
ret = request_irq(ssi->irq,
rsnd_ssi_interrupt,
IRQF_SHARED,
dev_name(dev), mod);
return ret; return ret;
} }
@ -693,12 +697,9 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
struct rsnd_priv *priv) struct rsnd_priv *priv)
{ {
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct device *dev = rsnd_priv_to_dev(priv);
int irq = ssi->irq;
/* PIO will request IRQ again */ /* PIO will request IRQ again */
if (ssi->dma) free_irq(ssi->irq, mod);
devm_free_irq(dev, irq, mod);
rsnd_dma_detach(mod, &ssi->dma); rsnd_dma_detach(mod, &ssi->dma);