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authorThomas Gleixner <tglx@linutronix.de>2021-12-06 23:27:28 +0100
committerThomas Gleixner <tglx@linutronix.de>2021-12-09 11:52:20 +0100
commit1197528aaea79ed4909aba695d18fdecc5387a36 (patch)
treeec14287b62e4eda7cf518821f879c5011d4e5f6e /include/linux/msi.h
parentPCI/MSI: Fix pci_irq_vector()/pci_irq_get_affinity() (diff)
downloadlinux-dev-1197528aaea79ed4909aba695d18fdecc5387a36.tar.xz
linux-dev-1197528aaea79ed4909aba695d18fdecc5387a36.zip
genirq/msi: Guard sysfs code
No point in building unused code when CONFIG_SYSFS=n. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Juergen Gross <jgross@suse.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20211206210223.985907940@linutronix.de
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index e616f94c7c58..d43b9469c88b 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -239,9 +239,19 @@ void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void pci_msi_mask_irq(struct irq_data *data);
void pci_msi_unmask_irq(struct irq_data *data);
+#ifdef CONFIG_SYSFS
const struct attribute_group **msi_populate_sysfs(struct device *dev);
void msi_destroy_sysfs(struct device *dev,
const struct attribute_group **msi_irq_groups);
+#else
+static inline const struct attribute_group **msi_populate_sysfs(struct device *dev)
+{
+ return NULL;
+}
+static inline void msi_destroy_sysfs(struct device *dev, const struct attribute_group **msi_irq_groups)
+{
+}
+#endif
/*
* The arch hooks to setup up msi irqs. Default functions are implemented