An upcoming change will require storing additional driver data other than the memory base address. Create a drvdata structure and use that rather than storing the raw base address pointer.
Signed-off-by: Robert Hancock robert.hancock@calian.com --- sound/soc/xilinx/xlnx_i2s.c | 66 ++++++++++++++++++++----------------- 1 file changed, 35 insertions(+), 31 deletions(-)
diff --git a/sound/soc/xilinx/xlnx_i2s.c b/sound/soc/xilinx/xlnx_i2s.c index cc641e582c82..3bafa34b789a 100644 --- a/sound/soc/xilinx/xlnx_i2s.c +++ b/sound/soc/xilinx/xlnx_i2s.c @@ -22,15 +22,20 @@ #define I2S_CH0_OFFSET 0x30 #define I2S_I2STIM_VALID_MASK GENMASK(7, 0)
+struct xlnx_i2s_drv_data { + struct snd_soc_dai_driver dai_drv; + void __iomem *base; +}; + static int xlnx_i2s_set_sclkout_div(struct snd_soc_dai *cpu_dai, int div_id, int div) { - void __iomem *base = snd_soc_dai_get_drvdata(cpu_dai); + struct xlnx_i2s_drv_data *drv_data = snd_soc_dai_get_drvdata(cpu_dai);
if (!div || (div & ~I2S_I2STIM_VALID_MASK)) return -EINVAL;
- writel(div, base + I2S_I2STIM_OFFSET); + writel(div, drv_data->base + I2S_I2STIM_OFFSET);
return 0; } @@ -40,13 +45,13 @@ static int xlnx_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *i2s_dai) { u32 reg_off, chan_id; - void __iomem *base = snd_soc_dai_get_drvdata(i2s_dai); + struct xlnx_i2s_drv_data *drv_data = snd_soc_dai_get_drvdata(i2s_dai);
chan_id = params_channels(params) / 2;
while (chan_id > 0) { reg_off = I2S_CH0_OFFSET + ((chan_id - 1) * 4); - writel(chan_id, base + reg_off); + writel(chan_id, drv_data->base + reg_off); chan_id--; }
@@ -56,18 +61,18 @@ static int xlnx_i2s_hw_params(struct snd_pcm_substream *substream, static int xlnx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *i2s_dai) { - void __iomem *base = snd_soc_dai_get_drvdata(i2s_dai); + struct xlnx_i2s_drv_data *drv_data = snd_soc_dai_get_drvdata(i2s_dai);
switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - writel(1, base + I2S_CORE_CTRL_OFFSET); + writel(1, drv_data->base + I2S_CORE_CTRL_OFFSET); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - writel(0, base + I2S_CORE_CTRL_OFFSET); + writel(0, drv_data->base + I2S_CORE_CTRL_OFFSET); break; default: return -EINVAL; @@ -95,20 +100,19 @@ MODULE_DEVICE_TABLE(of, xlnx_i2s_of_match);
static int xlnx_i2s_probe(struct platform_device *pdev) { - void __iomem *base; - struct snd_soc_dai_driver *dai_drv; + struct xlnx_i2s_drv_data *drv_data; int ret; u32 ch, format, data_width; struct device *dev = &pdev->dev; struct device_node *node = dev->of_node;
- dai_drv = devm_kzalloc(&pdev->dev, sizeof(*dai_drv), GFP_KERNEL); - if (!dai_drv) + drv_data = devm_kzalloc(&pdev->dev, sizeof(*drv_data), GFP_KERNEL); + if (!drv_data) return -ENOMEM;
- base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(base)) - return PTR_ERR(base); + drv_data->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(drv_data->base)) + return PTR_ERR(drv_data->base);
ret = of_property_read_u32(node, "xlnx,num-channels", &ch); if (ret < 0) { @@ -134,35 +138,35 @@ static int xlnx_i2s_probe(struct platform_device *pdev) }
if (of_device_is_compatible(node, "xlnx,i2s-transmitter-1.0")) { - dai_drv->name = "xlnx_i2s_playback"; - dai_drv->playback.stream_name = "Playback"; - dai_drv->playback.formats = format; - dai_drv->playback.channels_min = ch; - dai_drv->playback.channels_max = ch; - dai_drv->playback.rates = SNDRV_PCM_RATE_8000_192000; - dai_drv->ops = &xlnx_i2s_dai_ops; + drv_data->dai_drv.name = "xlnx_i2s_playback"; + drv_data->dai_drv.playback.stream_name = "Playback"; + drv_data->dai_drv.playback.formats = format; + drv_data->dai_drv.playback.channels_min = ch; + drv_data->dai_drv.playback.channels_max = ch; + drv_data->dai_drv.playback.rates = SNDRV_PCM_RATE_8000_192000; + drv_data->dai_drv.ops = &xlnx_i2s_dai_ops; } else if (of_device_is_compatible(node, "xlnx,i2s-receiver-1.0")) { - dai_drv->name = "xlnx_i2s_capture"; - dai_drv->capture.stream_name = "Capture"; - dai_drv->capture.formats = format; - dai_drv->capture.channels_min = ch; - dai_drv->capture.channels_max = ch; - dai_drv->capture.rates = SNDRV_PCM_RATE_8000_192000; - dai_drv->ops = &xlnx_i2s_dai_ops; + drv_data->dai_drv.name = "xlnx_i2s_capture"; + drv_data->dai_drv.capture.stream_name = "Capture"; + drv_data->dai_drv.capture.formats = format; + drv_data->dai_drv.capture.channels_min = ch; + drv_data->dai_drv.capture.channels_max = ch; + drv_data->dai_drv.capture.rates = SNDRV_PCM_RATE_8000_192000; + drv_data->dai_drv.ops = &xlnx_i2s_dai_ops; } else { return -ENODEV; }
- dev_set_drvdata(&pdev->dev, base); + dev_set_drvdata(&pdev->dev, drv_data);
ret = devm_snd_soc_register_component(&pdev->dev, &xlnx_i2s_component, - dai_drv, 1); + &drv_data->dai_drv, 1); if (ret) { dev_err(&pdev->dev, "i2s component registration failed\n"); return ret; }
- dev_info(&pdev->dev, "%s DAI registered\n", dai_drv->name); + dev_info(&pdev->dev, "%s DAI registered\n", drv_data->dai_drv.name);
return ret; }