[PATCH V1 3/3] Rename exports in mpc5200_dma.c

Grant Likely grant.likely at secretlab.ca
Mon Apr 27 23:48:19 EST 2009


On Sun, Apr 26, 2009 at 10:27 PM, Jon Smirl <jonsmirl at gmail.com> wrote:
> On Mon, Apr 27, 2009 at 12:08 AM, Grant Likely
> <grant.likely at secretlab.ca> wrote:
>> On Sun, Apr 26, 2009 at 1:53 PM, Jon Smirl <jonsmirl at gmail.com> wrote:
>>> Rename the public DMA exports into the global name space so that the DMA code can be built as a module.
>>>
>>> Signed-off-by: Jon Smirl <jonsmirl at gmail.com>
>>
>> Nack.  mpc5200_dma is too generic for the global namespace... (in
>> fact, I should also relook at the previous patch; I might need to nack
>> my ack).  Some variant of 'mpc5200_psc_snd_dma' would be more
>> appropriate.  Even mpc5200_psc_dma is too generic because other
>> non-sound PSC modes can use DMA also.
>
> I'll change it to mpc5200_audio_dma and resend this to the series to
> the alsa list.
>
> Does your stuff still work with these patches? I want to get these
> mechanical changes in so we can focus on the real changes in my later
> patches.

The project changed and I haven't fired up my target in quite a long time.  :-(

g.

>
>>
>> g.
>>
>>> ---
>>>  sound/soc/fsl/mpc5200_dma.c     |   18 ++++++++++++------
>>>  sound/soc/fsl/mpc5200_dma.h     |   10 +++++-----
>>>  sound/soc/fsl/mpc5200_psc_i2s.c |   14 +++++++-------
>>>  3 files changed, 24 insertions(+), 18 deletions(-)
>>>
>>> diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
>>> index c82ef75..df73755 100644
>>> --- a/sound/soc/fsl/mpc5200_dma.c
>>> +++ b/sound/soc/fsl/mpc5200_dma.c
>>> @@ -113,7 +113,7 @@ static irqreturn_t psc_dma_bcom_irq(int irq, void *_psc_dma_stream)
>>>  * If this is the first stream open, then grab the IRQ and program most of
>>>  * the PSC registers.
>>>  */
>>> -int psc_dma_startup(struct snd_pcm_substream *substream,
>>> +int mpc5200_dma_startup(struct snd_pcm_substream *substream,
>>>                           struct snd_soc_dai *dai)
>>>  {
>>>        struct snd_soc_pcm_runtime *rtd = substream->private_data;
>>> @@ -145,13 +145,16 @@ int psc_dma_startup(struct snd_pcm_substream *substream,
>>>
>>>        return 0;
>>>  }
>>> +EXPORT_SYMBOL_GPL(mpc5200_dma_startup);
>>>
>>> -int psc_dma_hw_free(struct snd_pcm_substream *substream,
>>> +int mpc5200_dma_hw_free(struct snd_pcm_substream *substream,
>>>                           struct snd_soc_dai *dai)
>>>  {
>>>        snd_pcm_set_runtime_buffer(substream, NULL);
>>>        return 0;
>>>  }
>>> +EXPORT_SYMBOL_GPL(mpc5200_dma_hw_free);
>>> +
>>>
>>>  /**
>>>  * psc_dma_trigger: start and stop the DMA transfer.
>>> @@ -159,7 +162,7 @@ int psc_dma_hw_free(struct snd_pcm_substream *substream,
>>>  * This function is called by ALSA to start, stop, pause, and resume the DMA
>>>  * transfer of data.
>>>  */
>>> -int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd,
>>> +int mpc5200_dma_trigger(struct snd_pcm_substream *substream, int cmd,
>>>                           struct snd_soc_dai *dai)
>>>  {
>>>        struct snd_soc_pcm_runtime *rtd = substream->private_data;
>>> @@ -269,13 +272,15 @@ int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd,
>>>
>>>        return 0;
>>>  }
>>> +EXPORT_SYMBOL_GPL(mpc5200_dma_trigger);
>>> +
>>>
>>>  /**
>>>  * psc_dma_shutdown: shutdown the data transfer on a stream
>>>  *
>>>  * Shutdown the PSC if there are no other substreams open.
>>>  */
>>> -void psc_dma_shutdown(struct snd_pcm_substream *substream,
>>> +void mpc5200_dma_shutdown(struct snd_pcm_substream *substream,
>>>                             struct snd_soc_dai *dai)
>>>  {
>>>        struct snd_soc_pcm_runtime *rtd = substream->private_data;
>>> @@ -303,6 +308,7 @@ void psc_dma_shutdown(struct snd_pcm_substream *substream,
>>>                free_irq(psc_dma->playback.irq, &psc_dma->playback);
>>>        }
>>>  }
>>> +EXPORT_SYMBOL_GPL(mpc5200_dma_shutdown);
>>>
>>>  /* ---------------------------------------------------------------------
>>>  * The PSC DMA 'ASoC platform' driver
>>> @@ -448,10 +454,10 @@ static void psc_dma_pcm_free(struct snd_pcm *pcm)
>>>        }
>>>  }
>>>
>>> -struct snd_soc_platform psc_dma_pcm_soc_platform = {
>>> +struct snd_soc_platform mpc5200_dma_platform = {
>>>        .name           = "mpc5200-psc-audio",
>>>        .pcm_ops        = &psc_dma_pcm_ops,
>>>        .pcm_new        = &psc_dma_pcm_new,
>>>        .pcm_free       = &psc_dma_pcm_free,
>>>  };
>>> -
>>> +EXPORT_SYMBOL_GPL(mpc5200_dma_platform);
>>> diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h
>>> index a33232c..e52b90e 100644
>>> --- a/sound/soc/fsl/mpc5200_dma.h
>>> +++ b/sound/soc/fsl/mpc5200_dma.h
>>> @@ -64,18 +64,18 @@ struct psc_dma {
>>>  };
>>>
>>>
>>> -int psc_dma_startup(struct snd_pcm_substream *substream,
>>> +int mpc5200_dma_startup(struct snd_pcm_substream *substream,
>>>                           struct snd_soc_dai *dai);
>>>
>>> -int psc_dma_hw_free(struct snd_pcm_substream *substream,
>>> +int mpc5200_dma_hw_free(struct snd_pcm_substream *substream,
>>>                           struct snd_soc_dai *dai);
>>>
>>> -void psc_dma_shutdown(struct snd_pcm_substream *substream,
>>> +void mpc5200_dma_shutdown(struct snd_pcm_substream *substream,
>>>                             struct snd_soc_dai *dai);
>>>
>>> -int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd,
>>> +int mpc5200_dma_trigger(struct snd_pcm_substream *substream, int cmd,
>>>                           struct snd_soc_dai *dai);
>>>
>>> -extern struct snd_soc_platform psc_dma_pcm_soc_platform;
>>> +extern struct snd_soc_platform mpc5200_dma_platform;
>>>
>>>  #endif /* __SOUND_SOC_FSL_MPC5200_DMA_H__ */
>>> diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c
>>> index 12a7917..a4a439c 100644
>>> --- a/sound/soc/fsl/mpc5200_psc_i2s.c
>>> +++ b/sound/soc/fsl/mpc5200_psc_i2s.c
>>> @@ -140,11 +140,11 @@ static int psc_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int format)
>>>  * psc_i2s_dai_template: template CPU Digital Audio Interface
>>>  */
>>>  static struct snd_soc_dai_ops psc_i2s_dai_ops = {
>>> -       .startup        = psc_dma_startup,
>>> +       .startup        = mpc5200_dma_startup,
>>>        .hw_params      = psc_i2s_hw_params,
>>> -       .hw_free        = psc_dma_hw_free,
>>> -       .shutdown       = psc_dma_shutdown,
>>> -       .trigger        = psc_dma_trigger,
>>> +       .hw_free        = mpc5200_dma_hw_free,
>>> +       .shutdown       = mpc5200_dma_shutdown,
>>> +       .trigger        = mpc5200_dma_trigger,
>>>        .set_sysclk     = psc_i2s_set_sysclk,
>>>        .set_fmt        = psc_i2s_set_fmt,
>>>  };
>>> @@ -350,10 +350,10 @@ static int __devinit psc_i2s_of_probe(struct of_device *op,
>>>        if (rc)
>>>                dev_info(psc_dma->dev, "error creating sysfs files\n");
>>>
>>> -       snd_soc_register_platform(&psc_dma_pcm_soc_platform);
>>> +       snd_soc_register_platform(&mpc5200_dma_platform);
>>>
>>>        /* Tell the ASoC OF helpers about it */
>>> -       of_snd_soc_register_platform(&psc_dma_pcm_soc_platform, op->node,
>>> +       of_snd_soc_register_platform(&mpc5200_dma_platform, op->node,
>>>                                     &psc_dma->dai);
>>>
>>>        return 0;
>>> @@ -365,7 +365,7 @@ static int __devexit psc_i2s_of_remove(struct of_device *op)
>>>
>>>        dev_dbg(&op->dev, "psc_i2s_remove()\n");
>>>
>>> -       snd_soc_unregister_platform(&psc_dma_pcm_soc_platform);
>>> +       snd_soc_unregister_platform(&mpc5200_dma_platform);
>>>
>>>        bcom_gen_bd_rx_release(psc_dma->capture.bcom_task);
>>>        bcom_gen_bd_tx_release(psc_dma->playback.bcom_task);
>>>
>>>
>>
>>
>>
>> --
>> Grant Likely, B.Sc., P.Eng.
>> Secret Lab Technologies Ltd.
>>
>
>
>
> --
> Jon Smirl
> jonsmirl at gmail.com
>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.



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