ASoC: SOF: loader: load_firmware callback is mandatory, treat it like that

Since the load_firmware callback in snd_sof_dsp_ops is mandatory and it
is tested during probe.

Move the snd_sof_load_firmware() wrapper to ops.h as inline and drop the
check of sof_ops(sdev)->load_firmware
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210914125356.19828-1-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/loader.c

@@ -800,16 +800,6 @@ int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev)
 }
 EXPORT_SYMBOL(snd_sof_load_firmware_memcpy);
 
-int snd_sof_load_firmware(struct snd_sof_dev *sdev)
-{
-	dev_dbg(sdev->dev, "loading firmware\n");
-
-	if (sof_ops(sdev)->load_firmware)
-		return sof_ops(sdev)->load_firmware(sdev);
-	return 0;
-}
-EXPORT_SYMBOL(snd_sof_load_firmware);
-
 int snd_sof_run_firmware(struct snd_sof_dev *sdev)
 {
 	int ret;

sound/soc/sof/ops.h

@@ -400,6 +400,14 @@ snd_sof_pcm_platform_trigger(struct snd_sof_dev *sdev,
 	return 0;
 }
 
+/* Firmware loading */
+static inline int snd_sof_load_firmware(struct snd_sof_dev *sdev)
+{
+	dev_dbg(sdev->dev, "loading firmware\n");
+
+	return sof_ops(sdev)->load_firmware(sdev);
+}
+
 /* host DSP message data */
 static inline void snd_sof_ipc_msg_data(struct snd_sof_dev *sdev,
 					struct snd_pcm_substream *substream,

sound/soc/sof/sof-priv.h

@@ -485,7 +485,6 @@ int snd_sof_create_page_table(struct device *dev,
 /*
  * Firmware loading.
  */
-int snd_sof_load_firmware(struct snd_sof_dev *sdev);
 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
 int snd_sof_run_firmware(struct snd_sof_dev *sdev);