[PATCH v3 3/4] ASoC: SDCA: Add sdca_irq_cleanup_late()

[Charles Keepax <ckeepax@opensource.cirrus.com>]

The SDCA IRQs are split into two groups, those registered at bus probe
time (basically just FDL) and those registered at component time. The
free functions need to also be split, if the FDL IRQ is freed at
component time, then nothing would re-register it if the component is
probed again.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---

New since v2.

 include/sound/sdca_interrupts.h  |  3 ++
 sound/soc/sdca/sdca_interrupts.c | 59 ++++++++++++++++++++++++++------
 2 files changed, 51 insertions(+), 11 deletions(-)

diff --git a/include/sound/sdca_interrupts.h b/include/sound/sdca_interrupts.h
index 20ff5eac34eaa..6c8a9bbb9a196 100644
--- a/include/sound/sdca_interrupts.h
+++ b/include/sound/sdca_interrupts.h
@@ -88,6 +88,9 @@ int sdca_irq_populate(struct sdca_function_data *function,
 void sdca_irq_cleanup(struct device *dev,
 		      struct sdca_function_data *function,
 		      struct sdca_interrupt_info *info);
+void sdca_irq_cleanup_late(struct device *dev,
+			   struct sdca_function_data *function,
+			   struct sdca_interrupt_info *info);
 struct sdca_interrupt_info *sdca_irq_allocate(struct device *dev,
 					      struct regmap *regmap, int irq);
 
diff --git a/sound/soc/sdca/sdca_interrupts.c b/sound/soc/sdca/sdca_interrupts.c
index 6bbe65ac3d2f0..75957460fd287 100644
--- a/sound/soc/sdca/sdca_interrupts.c
+++ b/sound/soc/sdca/sdca_interrupts.c
@@ -538,17 +538,10 @@ int sdca_irq_populate(struct sdca_function_data *function,
 }
 EXPORT_SYMBOL_NS_GPL(sdca_irq_populate, "SND_SOC_SDCA");
 
-/**
- * sdca_irq_cleanup - Free all the individual IRQs for an SDCA Function
- * @dev: Device pointer against which the sdca_interrupt_info was allocated.
- * @function: Pointer to the SDCA Function.
- * @info: Pointer to the SDCA interrupt info for this device.
- *
- * Typically this would be called from the driver for a single SDCA Function.
- */
-void sdca_irq_cleanup(struct device *dev,
-		      struct sdca_function_data *function,
-		      struct sdca_interrupt_info *info)
+static void sdca_irq_cleanup_flags(struct device *dev,
+				   struct sdca_function_data *function,
+				   struct sdca_interrupt_info *info,
+				   bool skip_early)
 {
 	int i;
 
@@ -556,15 +549,59 @@ void sdca_irq_cleanup(struct device *dev,
 
 	for (i = 0; i < SDCA_MAX_INTERRUPTS; i++) {
 		struct sdca_interrupt *interrupt = &info->irqs[i];
+		struct sdca_control *control = interrupt->control;
+		struct sdca_entity *entity = interrupt->entity;
 
 		if (interrupt->function != function || !interrupt->irq)
 			continue;
 
+		switch (SDCA_CTL_TYPE(entity->type, control->sel)) {
+		case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER):
+			if (skip_early)
+				continue;
+			break;
+		default:
+			break;
+		}
+
 		sdca_irq_free_locked(dev, info, i, interrupt->name, interrupt);
 	}
 }
+
+/**
+ * sdca_irq_cleanup - Free the regular IRQs for an SDCA Function
+ * @dev: Device pointer against which the sdca_interrupt_info was allocated.
+ * @function: Pointer to the SDCA Function.
+ * @info: Pointer to the SDCA interrupt info for this device.
+ *
+ * Typically this would be called from the driver for a single SDCA Function
+ * from component remove.
+ */
+void sdca_irq_cleanup(struct device *dev,
+		      struct sdca_function_data *function,
+		      struct sdca_interrupt_info *info)
+{
+	sdca_irq_cleanup_flags(dev, function, info, true);
+}
 EXPORT_SYMBOL_NS_GPL(sdca_irq_cleanup, "SND_SOC_SDCA");
 
+/**
+ * sdca_irq_cleanup_late - Free the early IRQs for an SDCA Function
+ * @dev: Device pointer against which the sdca_interrupt_info was allocated.
+ * @function: Pointer to the SDCA Function.
+ * @info: Pointer to the SDCA interrupt info for this device.
+ *
+ * Typically this would be called from the driver for a single SDCA Function
+ * from bus remove.
+ */
+void sdca_irq_cleanup_late(struct device *dev,
+			   struct sdca_function_data *function,
+			   struct sdca_interrupt_info *info)
+{
+	sdca_irq_cleanup_flags(dev, function, info, false);
+}
+EXPORT_SYMBOL_NS_GPL(sdca_irq_cleanup_late, "SND_SOC_SDCA");
+
 /**
  * sdca_irq_allocate - allocate an SDCA interrupt structure for a device
  * @sdev: Device pointer against which things should be allocated.
-- 
2.47.3