linux-kernel - [tip: irq/core] genirq/msi: Make __msi_domain_alloc

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Message-ID: <166869770630.4906.17217504433732664741.tip-bot2@tip-bot2>
Date:   Thu, 17 Nov 2022 15:08:26 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ashok Raj <ashok.raj@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] genirq/msi: Make __msi_domain_alloc_irqs() static

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     762687ceb31fc296e2e1406559e8bb50251c5277
Gitweb:        https://git.kernel.org/tip/762687ceb31fc296e2e1406559e8bb50251c5277
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 11 Nov 2022 14:54:25 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 17 Nov 2022 15:15:18 +01:00

genirq/msi: Make __msi_domain_alloc_irqs() static

Nothing outside of the core code requires this.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Ashok Raj <ashok.raj@...el.com>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20221111122014.004725919@linutronix.de

---
 include/linux/msi.h | 7 ++-----
 kernel/irq/msi.c    | 6 ++++--
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 969ce46..9b552ee 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -334,9 +334,8 @@ struct msi_domain_info;
  * MSI_FLAG_USE_DEF_DOM_OPS is not set to avoid breaking existing users and
  * because these callbacks are obviously mandatory.
  *
- * This is NOT meant to be abused, but it can be useful to build wrappers
- * for specialized MSI irq domains which need extra work before and after
- * calling __msi_domain_alloc_irqs()/__msi_domain_free_irqs().
+ * __msi_domain_free_irqs() is exposed for PPC pseries to handle extra
+ * work after all interrupts and descriptors have been freed.
  */
 struct msi_domain_ops {
 	irq_hw_number_t	(*get_hwirq)(struct msi_domain_info *info,
@@ -425,8 +424,6 @@ int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask,
 struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,
 					 struct msi_domain_info *info,
 					 struct irq_domain *parent);
-int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
-			    int nvec);
 int msi_domain_alloc_irqs_descs_locked(struct irq_domain *domain, struct device *dev,
 				       int nvec);
 int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 8a6d0dc..3ccc7f6 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -462,6 +462,8 @@ static inline void msi_sysfs_remove_desc(struct device *dev, struct msi_desc *de
 #endif /* !CONFIG_SYSFS */
 
 #ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
+static int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, int nvec);
+
 static inline void irq_chip_write_msi_msg(struct irq_data *data,
 					  struct msi_msg *msg)
 {
@@ -852,8 +854,8 @@ static int msi_init_virq(struct irq_domain *domain, int virq, unsigned int vflag
 	return 0;
 }
 
-int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
-			    int nvec)
+static int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
+				   int nvec)
 {
 	struct msi_domain_info *info = domain->host_data;
 	struct msi_domain_ops *ops = info->ops;