From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kuninori Morimoto Subject: [PATCH 3/8] ASoC: rsnd: don't use devm_request_irq() for SSI Date: Tue, 25 Oct 2016 00:36:34 +0000 Message-ID: <874m41clyo.wl%kuninori.morimoto.gx@renesas.com> References: <878ttdcm17.wl%kuninori.morimoto.gx@renesas.com> Mime-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from relmlie1.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by alsa0.perex.cz (Postfix) with ESMTP id 5257026683E for ; Tue, 25 Oct 2016 02:36:40 +0200 (CEST) In-Reply-To: <878ttdcm17.wl%kuninori.morimoto.gx@renesas.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Mark Brown Cc: Linux-ALSA , Simon List-Id: alsa-devel@alsa-project.org From: Kuninori Morimoto 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 --- sound/soc/sh/rcar/ssi.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 59cd982..b0338d0 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -644,10 +644,14 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod, if (ret < 0) return ret; - ret = devm_request_irq(dev, ssi->irq, - rsnd_ssi_interrupt, - IRQF_SHARED, - dev_name(dev), mod); + /* + * SSI might be called again as PIO fallback + * It is easy to manual handling for IRQ request/free + */ + ret = request_irq(ssi->irq, + rsnd_ssi_interrupt, + IRQF_SHARED, + dev_name(dev), mod); return ret; } @@ -693,12 +697,9 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, struct rsnd_priv *priv) { 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 */ - if (ssi->dma) - devm_free_irq(dev, irq, mod); + free_irq(ssi->irq, mod); rsnd_dma_detach(mod, &ssi->dma); -- 1.9.1