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SubjectRe: [PATCH v2 08/13] ASoC: pxa: remove the dmaengine compat need
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On Thursday, May 24, 2018 09:06 AM, Robert Jarzmik wrote:
> As the pxa architecture switched towards the dmaengine slave map, the
> old compatibility mechanism to acquire the dma requestor line number and
> priority are not needed anymore.
>
> This patch simplifies the dma resource acquisition, using the more
> generic function dma_request_slave_channel().
>
> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>

Reviewed-by: Daniel Mack <daniel@zonque.org>

> ---
> sound/arm/pxa2xx-ac97.c | 14 ++------------
> sound/arm/pxa2xx-pcm-lib.c | 6 +++---
> sound/soc/pxa/pxa2xx-ac97.c | 32 +++++---------------------------
> sound/soc/pxa/pxa2xx-i2s.c | 6 ++----
> 4 files changed, 12 insertions(+), 46 deletions(-)
>
> diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
> index 4bc244c40f80..236a63cdaf9f 100644
> --- a/sound/arm/pxa2xx-ac97.c
> +++ b/sound/arm/pxa2xx-ac97.c
> @@ -63,28 +63,18 @@ static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
> .reset = pxa2xx_ac97_legacy_reset,
> };
>
> -static struct pxad_param pxa2xx_ac97_pcm_out_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 12,
> -};
> -
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_out = {
> .addr = __PREG(PCDR),
> .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
> + .chan_name = "pcm_pcm_stereo_out",
> .maxburst = 32,
> - .filter_data = &pxa2xx_ac97_pcm_out_req,
> -};
> -
> -static struct pxad_param pxa2xx_ac97_pcm_in_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 11,
> };
>
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_in = {
> .addr = __PREG(PCDR),
> .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
> + .chan_name = "pcm_pcm_stereo_in",
> .maxburst = 32,
> - .filter_data = &pxa2xx_ac97_pcm_in_req,
> };
>
> static struct snd_pcm *pxa2xx_ac97_pcm;
> diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
> index e8da3b8ee721..dcbe7ecc1835 100644
> --- a/sound/arm/pxa2xx-pcm-lib.c
> +++ b/sound/arm/pxa2xx-pcm-lib.c
> @@ -125,9 +125,9 @@ int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)
> if (ret < 0)
> return ret;
>
> - return snd_dmaengine_pcm_open_request_chan(substream,
> - pxad_filter_fn,
> - dma_params->filter_data);
> + return snd_dmaengine_pcm_open(
> + substream, dma_request_slave_channel(rtd->cpu_dai->dev,
> + dma_params->chan_name));
> }
> EXPORT_SYMBOL(__pxa2xx_pcm_open);
>
> diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
> index 803818aabee9..1b41c0f2a8fb 100644
> --- a/sound/soc/pxa/pxa2xx-ac97.c
> +++ b/sound/soc/pxa/pxa2xx-ac97.c
> @@ -68,61 +68,39 @@ static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
> .reset = pxa2xx_ac97_cold_reset,
> };
>
> -static struct pxad_param pxa2xx_ac97_pcm_stereo_in_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 11,
> -};
> -
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
> .addr = __PREG(PCDR),
> .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
> + .chan_name = "pcm_pcm_stereo_in",
> .maxburst = 32,
> - .filter_data = &pxa2xx_ac97_pcm_stereo_in_req,
> -};
> -
> -static struct pxad_param pxa2xx_ac97_pcm_stereo_out_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 12,
> };
>
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
> .addr = __PREG(PCDR),
> .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
> + .chan_name = "pcm_pcm_stereo_out",
> .maxburst = 32,
> - .filter_data = &pxa2xx_ac97_pcm_stereo_out_req,
> };
>
> -static struct pxad_param pxa2xx_ac97_pcm_aux_mono_out_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 10,
> -};
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
> .addr = __PREG(MODR),
> .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
> + .chan_name = "pcm_aux_mono_out",
> .maxburst = 16,
> - .filter_data = &pxa2xx_ac97_pcm_aux_mono_out_req,
> };
>
> -static struct pxad_param pxa2xx_ac97_pcm_aux_mono_in_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 9,
> -};
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
> .addr = __PREG(MODR),
> .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
> + .chan_name = "pcm_aux_mono_in",
> .maxburst = 16,
> - .filter_data = &pxa2xx_ac97_pcm_aux_mono_in_req,
> };
>
> -static struct pxad_param pxa2xx_ac97_pcm_aux_mic_mono_req = {
> - .prio = PXAD_PRIO_LOWEST,
> - .drcmr = 8,
> -};
> static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
> .addr = __PREG(MCDR),
> .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
> + .chan_name = "pcm_aux_mic_mono",
> .maxburst = 16,
> - .filter_data = &pxa2xx_ac97_pcm_aux_mic_mono_req,
> };
>
> static int pxa2xx_ac97_hifi_startup(struct snd_pcm_substream *substream,
> diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
> index 3fb60baf6eab..e7184de0de04 100644
> --- a/sound/soc/pxa/pxa2xx-i2s.c
> +++ b/sound/soc/pxa/pxa2xx-i2s.c
> @@ -82,20 +82,18 @@ static struct pxa_i2s_port pxa_i2s;
> static struct clk *clk_i2s;
> static int clk_ena = 0;
>
> -static unsigned long pxa2xx_i2s_pcm_stereo_out_req = 3;
> static struct snd_dmaengine_dai_dma_data pxa2xx_i2s_pcm_stereo_out = {
> .addr = __PREG(SADR),
> .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
> + .chan_name = "tx",
> .maxburst = 32,
> - .filter_data = &pxa2xx_i2s_pcm_stereo_out_req,
> };
>
> -static unsigned long pxa2xx_i2s_pcm_stereo_in_req = 2;
> static struct snd_dmaengine_dai_dma_data pxa2xx_i2s_pcm_stereo_in = {
> .addr = __PREG(SADR),
> .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
> + .chan_name = "rx",
> .maxburst = 32,
> - .filter_data = &pxa2xx_i2s_pcm_stereo_in_req,
> };
>
> static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream,
>

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