diff mbox

ASoC: rsnd: fixup rsnd_gen_dma_addr() for Gen1

Message ID 87k38fyp3a.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State Accepted
Commit 64eae986fc1e3a281b00f04b7c9c00b145ec8a57
Headers show

Commit Message

Kuninori Morimoto June 18, 2014, 1:38 a.m. UTC
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

ad32d0c7b0e993433df152ae747652647eb65a27
(ASoC: rsnd: add rsnd_gen_dma_addr() for DMAC addr)
added rsnd_gen_dma_addr() to calculate DMA addr,
but, it is necessary only for Gen2.
This patch ignores Gen1 case.
Kernel will be panic without this patch.
Special thanks to Simon

Reported-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 sound/soc/sh/rcar/gen.c |   33 +++++++++++++++++++++------------
 1 file changed, 21 insertions(+), 12 deletions(-)

Comments

Simon Horman June 18, 2014, 5:36 a.m. UTC | #1
On Tue, Jun 17, 2014 at 06:38:01PM -0700, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> ad32d0c7b0e993433df152ae747652647eb65a27
> (ASoC: rsnd: add rsnd_gen_dma_addr() for DMAC addr)
> added rsnd_gen_dma_addr() to calculate DMA addr,
> but, it is necessary only for Gen2.
> This patch ignores Gen1 case.
> Kernel will be panic without this patch.
> Special thanks to Simon
> 
> Reported-by: Simon Horman <horms@verge.net.au>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Hi Morimoto-san,

thanks for the quick fix.
I have verified that the bockw board no longer panics.

Tested-by: Simon Horman <horms+renesas@verge.net.au>

> ---
>  sound/soc/sh/rcar/gen.c |   33 +++++++++++++++++++++------------
>  1 file changed, 21 insertions(+), 12 deletions(-)
> 
> diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
> index 1dd2b7d..0280a11 100644
> --- a/sound/soc/sh/rcar/gen.c
> +++ b/sound/soc/sh/rcar/gen.c
> @@ -184,7 +184,7 @@ static int rsnd_gen_regmap_init(struct rsnd_priv *priv,
>  #define RDMA_CMD_O_N(addr, i)	(addr ##_reg - 0x004f8000 + (0x400 * i))
>  #define RDMA_CMD_O_P(addr, i)	(addr ##_reg - 0x001f8000 + (0x400 * i))
>  
> -void rsnd_gen_dma_addr(struct rsnd_priv *priv,
> +static void rsnd_gen2_dma_addr(struct rsnd_priv *priv,
>  		       struct rsnd_dma *dma,
>  		       struct dma_slave_config *cfg,
>  		       int is_play, int slave_id)
> @@ -226,17 +226,6 @@ void rsnd_gen_dma_addr(struct rsnd_priv *priv,
>  		}
>  	};
>  
> -	cfg->slave_id	= slave_id;
> -	cfg->src_addr	= 0;
> -	cfg->dst_addr	= 0;
> -	cfg->direction	= is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
> -
> -	/*
> -	 * gen1 uses default DMA addr
> -	 */
> -	if (rsnd_is_gen1(priv))
> -		return;
> -
>  	/* it shouldn't happen */
>  	if (use_dvc & !use_src) {
>  		dev_err(dev, "DVC is selected without SRC\n");
> @@ -250,6 +239,26 @@ void rsnd_gen_dma_addr(struct rsnd_priv *priv,
>  		id, cfg->src_addr, cfg->dst_addr);
>  }
>  
> +void rsnd_gen_dma_addr(struct rsnd_priv *priv,
> +		       struct rsnd_dma *dma,
> +		       struct dma_slave_config *cfg,
> +		       int is_play, int slave_id)
> +{
> +	cfg->slave_id   = slave_id;
> +	cfg->src_addr   = 0;
> +	cfg->dst_addr   = 0;
> +	cfg->direction  = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
> +
> +	/*
> +	 * gen1 uses default DMA addr
> +	 */
> +	if (rsnd_is_gen1(priv))
> +		return;
> +
> +	rsnd_gen2_dma_addr(priv, dma, cfg, is_play, slave_id);
> +}
> +
> +
>  /*
>   *		Gen2
>   */
> -- 
> 1.7.9.5
>
Kuninori Morimoto June 18, 2014, 8:52 a.m. UTC | #2
Hi Mark

I re-post these patches.
Please ignore these patches

> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> ad32d0c7b0e993433df152ae747652647eb65a27
> (ASoC: rsnd: add rsnd_gen_dma_addr() for DMAC addr)
> added rsnd_gen_dma_addr() to calculate DMA addr,
> but, it is necessary only for Gen2.
> This patch ignores Gen1 case.
> Kernel will be panic without this patch.
> Special thanks to Simon
> 
> Reported-by: Simon Horman <horms@verge.net.au>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
>  sound/soc/sh/rcar/gen.c |   33 +++++++++++++++++++++------------
>  1 file changed, 21 insertions(+), 12 deletions(-)
> 
> diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
> index 1dd2b7d..0280a11 100644
> --- a/sound/soc/sh/rcar/gen.c
> +++ b/sound/soc/sh/rcar/gen.c
> @@ -184,7 +184,7 @@ static int rsnd_gen_regmap_init(struct rsnd_priv *priv,
>  #define RDMA_CMD_O_N(addr, i)	(addr ##_reg - 0x004f8000 + (0x400 * i))
>  #define RDMA_CMD_O_P(addr, i)	(addr ##_reg - 0x001f8000 + (0x400 * i))
>  
> -void rsnd_gen_dma_addr(struct rsnd_priv *priv,
> +static void rsnd_gen2_dma_addr(struct rsnd_priv *priv,
>  		       struct rsnd_dma *dma,
>  		       struct dma_slave_config *cfg,
>  		       int is_play, int slave_id)
> @@ -226,17 +226,6 @@ void rsnd_gen_dma_addr(struct rsnd_priv *priv,
>  		}
>  	};
>  
> -	cfg->slave_id	= slave_id;
> -	cfg->src_addr	= 0;
> -	cfg->dst_addr	= 0;
> -	cfg->direction	= is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
> -
> -	/*
> -	 * gen1 uses default DMA addr
> -	 */
> -	if (rsnd_is_gen1(priv))
> -		return;
> -
>  	/* it shouldn't happen */
>  	if (use_dvc & !use_src) {
>  		dev_err(dev, "DVC is selected without SRC\n");
> @@ -250,6 +239,26 @@ void rsnd_gen_dma_addr(struct rsnd_priv *priv,
>  		id, cfg->src_addr, cfg->dst_addr);
>  }
>  
> +void rsnd_gen_dma_addr(struct rsnd_priv *priv,
> +		       struct rsnd_dma *dma,
> +		       struct dma_slave_config *cfg,
> +		       int is_play, int slave_id)
> +{
> +	cfg->slave_id   = slave_id;
> +	cfg->src_addr   = 0;
> +	cfg->dst_addr   = 0;
> +	cfg->direction  = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
> +
> +	/*
> +	 * gen1 uses default DMA addr
> +	 */
> +	if (rsnd_is_gen1(priv))
> +		return;
> +
> +	rsnd_gen2_dma_addr(priv, dma, cfg, is_play, slave_id);
> +}
> +
> +
>  /*
>   *		Gen2
>   */
> -- 
> 1.7.9.5
>
diff mbox

Patch

diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index 1dd2b7d..0280a11 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -184,7 +184,7 @@  static int rsnd_gen_regmap_init(struct rsnd_priv *priv,
 #define RDMA_CMD_O_N(addr, i)	(addr ##_reg - 0x004f8000 + (0x400 * i))
 #define RDMA_CMD_O_P(addr, i)	(addr ##_reg - 0x001f8000 + (0x400 * i))
 
-void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+static void rsnd_gen2_dma_addr(struct rsnd_priv *priv,
 		       struct rsnd_dma *dma,
 		       struct dma_slave_config *cfg,
 		       int is_play, int slave_id)
@@ -226,17 +226,6 @@  void rsnd_gen_dma_addr(struct rsnd_priv *priv,
 		}
 	};
 
-	cfg->slave_id	= slave_id;
-	cfg->src_addr	= 0;
-	cfg->dst_addr	= 0;
-	cfg->direction	= is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
-
-	/*
-	 * gen1 uses default DMA addr
-	 */
-	if (rsnd_is_gen1(priv))
-		return;
-
 	/* it shouldn't happen */
 	if (use_dvc & !use_src) {
 		dev_err(dev, "DVC is selected without SRC\n");
@@ -250,6 +239,26 @@  void rsnd_gen_dma_addr(struct rsnd_priv *priv,
 		id, cfg->src_addr, cfg->dst_addr);
 }
 
+void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+		       struct rsnd_dma *dma,
+		       struct dma_slave_config *cfg,
+		       int is_play, int slave_id)
+{
+	cfg->slave_id   = slave_id;
+	cfg->src_addr   = 0;
+	cfg->dst_addr   = 0;
+	cfg->direction  = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+
+	/*
+	 * gen1 uses default DMA addr
+	 */
+	if (rsnd_is_gen1(priv))
+		return;
+
+	rsnd_gen2_dma_addr(priv, dma, cfg, is_play, slave_id);
+}
+
+
 /*
  *		Gen2
  */