[PATCH v3 24/24] genirq/msi: Move msi_device_data to core

From: Shivamurthy Shastri
Date: Fri Jun 14 2024 - 06:31:25 EST


From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
Signed-off-by: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx>
Signed-off-by: Shivamurthy Shastri <shivamurthy.shastri@xxxxxxxxxxxxx>
---
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