linux-kernel - [PATCH v3 24/24] genirq/msi: Move msi_device

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Date: Fri, 14 Jun 2024 12:24:03 +0200
From: Shivamurthy Shastri <shivamurthy.shastri@...utronix.de>
To: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org,
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Subject: [PATCH v3 24/24] genirq/msi: Move msi_device_data to core

From: Thomas Gleixner <tglx@...utronix.de>

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 <tglx@...utronix.de>
Signed-off-by: Anna-Maria Behnsen <anna-maria@...utronix.de>
Signed-off-by: Shivamurthy Shastri <shivamurthy.shastri@...utronix.de>
---
v3: fixed warning by kernel test robot
warning: cannot understand function prototype: 'struct msi_device_data '
---
 include/linux/msi.h | 18 ------------------
 kernel/irq/msi.c    | 20 ++++++++++++++++++--
 2 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 4c3462a6a97b..369367ecae5e 100644
--- a/include/linux/msi.h
+++ b/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);
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 8314b1d4a903..5fa0547ece0c 100644
--- a/kernel/irq/msi.c
+++ b/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
-- 
2.34.1