drivers: spi: cdns: remove pm device call

The PM Device callbacks is rather unimplemented. There currently is
no device agnostic clock management api (yet), and the pinctrl isn't
fully implemented in this driver. Remove it all.

Signed-off-by: Ryan McClelland <[email protected]>

Author: XenuIsWatching

drivers/spi/spi_cdns.c

@@ -108,9 +108,6 @@ struct spi_cdns_cfg {
 	uint32_t clock_frequency;
 	uint32_t ext_clock;
 	irq_config_func_t irq_config;
-#ifdef CONFIG_PINCTRL
-	const struct pinctrl_dev_config *pcfg;
-#endif
 	uint8_t fifo_width;
 	uint16_t rx_fifo_depth;
 	uint16_t tx_fifo_depth;
@@ -573,7 +570,6 @@ static void spi_cdns_isr(const struct device *dev)
 			spi_cdns_cs_control(dev, false);
 		}
 		pm_device_busy_clear(dev);
-		pm_device_runtime_put(dev);
 	}
 #endif
 
@@ -642,7 +638,6 @@ static int spi_cdns_transceive(const struct device *dev, const struct spi_config
 
 	spi_context_lock(&data->ctx, asynchronous, cb, userdata, config);
 
-	pm_device_runtime_get(dev);
 	pm_device_busy_set(dev);
 
 	spi_cdns_spi_enable(dev, false);
@@ -712,7 +707,6 @@ static int spi_cdns_transceive(const struct device *dev, const struct spi_config
 			spi_cdns_cs_control(dev, false);
 		}
 		pm_device_busy_clear(dev);
-		pm_device_runtime_put(dev);
 	}
 
 #ifdef CONFIG_SPI_SLAVE
@@ -795,39 +789,6 @@ static int spi_cdns_release(const struct device *dev, const struct spi_config *c
 	return 0;
 }
 
-#ifdef CONFIG_PM_DEVICE
-static int spi_cdns_pm_action(const struct device *dev, enum pm_device_action action)
-{
-	const struct spi_cdns_cfg *cfg = dev->config;
-	int ret;
-
-	switch (action) {
-	case PM_DEVICE_ACTION_RESUME:
-		/* TODO: Enable SPI Clock */
-#ifdef CONFIG_PINCTRL
-		ret = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);
-		if (ret < 0) {
-			return ret;
-		}
-#endif
-		break;
-	case PM_DEVICE_ACTION_SUSPEND:
-		/* TODO: Disable SPI Clock */
-#ifdef CONFIG_PINCTRL
-		ret = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_SLEEP);
-		if (ret < 0) {
-			return ret;
-		}
-#endif
-		break;
-	default:
-		ret = -ENOTSUP;
-	}
-
-	return ret;
-}
-#endif /* CONFIG_PM_DEVICE */
-
 /**
  * SPI driver API registered in Zephyr spi framework
  */
@@ -863,9 +824,8 @@ static DEVICE_API(spi, spi_cdns_api) = {
 		.tx_fifo_depth = DT_INST_PROP(n, tx_fifo_depth),                                   \
 		.rx_fifo_depth = DT_INST_PROP(n, rx_fifo_depth),                                   \
 	};                                                                                         \
-	SPI_DEVICE_DT_INST_DEFINE(n, spi_cdns_init, spi_cdns_pm_action, &spi_cdns_data_##n,        \
-				  &spi_cdns_cfg_##n, POST_KERNEL, CONFIG_SPI_INIT_PRIORITY,        \
-				  &spi_cdns_api);                                                  \
+	SPI_DEVICE_DT_INST_DEFINE(n, spi_cdns_init, NULL, &spi_cdns_data_##n, &spi_cdns_cfg_##n,   \
+				  POST_KERNEL, CONFIG_SPI_INIT_PRIORITY, &spi_cdns_api);           \
 	static void spi_cdns_irq_config_##n(void)                                                  \
 	{                                                                                          \
 		IRQ_CONNECT(DT_INST_IRQN(n), DT_INST_IRQ(n, priority), spi_cdns_isr,               \