genirq/msi: Move msi_device_data to core

Now that the platform MSI hack is gone, nothing needs to know about struct
msi_device_data outside of the core code.

Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Anna-Maria Behnsen <[email protected]>
Signed-off-by: Shivamurthy Shastri <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: KAGA-KOKO

include/linux/msi.h

@@ -21,11 +21,7 @@
 #include <linux/irqdomain_defs.h>
 #include <linux/cpumask.h>
 #include <linux/msi_api.h>
-#include <linux/xarray.h>
-#include <linux/mutex.h>
-#include <linux/list.h>
 #include <linux/irq.h>
-#include <linux/bits.h>
 
 #include <asm/msi.h>
 
@@ -227,20 +223,6 @@ struct msi_dev_domain {
 	struct irq_domain	*domain;
 };
 
-/**
- * msi_device_data - MSI per device data
- * @properties:		MSI properties which are interesting to drivers
- * @mutex:		Mutex protecting the MSI descriptor store
- * @__domains:		Internal data for per device MSI domains
- * @__iter_idx:		Index to search the next entry for iterators
- */
-struct msi_device_data {
-	unsigned long			properties;
-	struct mutex			mutex;
-	struct msi_dev_domain		__domains[MSI_MAX_DEVICE_IRQDOMAINS];
-	unsigned long			__iter_idx;
-};
-
 int msi_setup_device_data(struct device *dev);
 
 void msi_lock_descs(struct device *dev);

kernel/irq/msi.c

@@ -8,17 +8,33 @@
  * This file contains common code to support Message Signaled Interrupts for
  * PCI compatible and non PCI compatible devices.
  */
-#include <linux/types.h>
 #include <linux/device.h>
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
 #include <linux/msi.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/sysfs.h>
-#include <linux/pci.h>
+#include <linux/types.h>
+#include <linux/xarray.h>
 
 #include "internals.h"
 
+/**
+ * struct msi_device_data - MSI per device data
+ * @properties:		MSI properties which are interesting to drivers
+ * @mutex:		Mutex protecting the MSI descriptor store
+ * @__domains:		Internal data for per device MSI domains
+ * @__iter_idx:		Index to search the next entry for iterators
+ */
+struct msi_device_data {
+	unsigned long			properties;
+	struct mutex			mutex;
+	struct msi_dev_domain		__domains[MSI_MAX_DEVICE_IRQDOMAINS];
+	unsigned long			__iter_idx;
+};
+
 /**
  * struct msi_ctrl - MSI internal management control structure
  * @domid:	ID of the domain on which management operations should be done