linux-kernel - [patch V2 40/40] genirq/msi: Move msi_device

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Date:   Mon, 21 Nov 2022 15:40:18 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Will Deacon <will@...nel.org>, linux-pci@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Ammar Faizi <ammarfaizi2@...weeb.org>,
        Robin Murphy <robin.murphy@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Vinod Koul <vkoul@...nel.org>, Sinan Kaya <okaya@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shameerali Kolothum Thodi 
        <shameerali.kolothum.thodi@...wei.com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>
Subject: [patch V2 40/40] 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 <tglx@...utronix.de>
---
 include/linux/msi.h |   22 ----------------------
 kernel/irq/msi.c    |   24 ++++++++++++++++++++++--
 2 files changed, 22 insertions(+), 24 deletions(-)

--- 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>
 
@@ -212,24 +208,6 @@ enum msi_desc_filter {
 	MSI_DESC_ASSOCIATED,
 };
 
-/**
- * msi_device_data - MSI per device data
- * @properties:		MSI properties which are interesting to drivers
- * @mutex:		Mutex protecting the MSI descriptor store
- * @__store:		Xarray for storing MSI descriptor pointers
- * @__iter_idx:		Index to search the next entry for iterators
- * @__iter_max:		Index to limit the search
- * @__irqdomains:	Per device interrupt domains
- */
-struct msi_device_data {
-	unsigned long			properties;
-	struct mutex			mutex;
-	struct xarray			__store;
-	unsigned long			__iter_idx;
-	unsigned long			__iter_max;
-	struct irq_domain		*__irqdomains[MSI_MAX_DEVICE_IRQDOMAINS];
-};
-
 int msi_setup_device_data(struct device *dev);
 
 void msi_lock_descs(struct device *dev);
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -8,18 +8,38 @@
  * 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"
 
 /**
+ * msi_device_data - MSI per device data
+ * @properties:		MSI properties which are interesting to drivers
+ * @mutex:		Mutex protecting the MSI descriptor store
+ * @__store:		Xarray for storing MSI descriptor pointers
+ * @__iter_idx:		Index to search the next entry for iterators
+ * @__iter_max:		Index to limit the search
+ * @__irqdomains:	Per device interrupt domains
+ */
+struct msi_device_data {
+	unsigned long			properties;
+	struct mutex			mutex;
+	struct xarray			__store;
+	unsigned long			__iter_idx;
+	unsigned long			__iter_max;
+	struct irq_domain		*__irqdomains[MSI_MAX_DEVICE_IRQDOMAINS];
+};
+
+/**
  * struct msi_ctrl - MSI internal management control structure
  * @domid:	ID of the domain on which management operations should be done
  * @first:	First (hardware) slot index to operate on