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Signed-off-by: Frank Li --- include/linux/msi.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/msi.h b/include/linux/msi.h index b10093c4d00ea..0b6cb7f303887 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -228,6 +228,8 @@ int msi_setup_device_data(struct device *dev); void msi_lock_descs(struct device *dev); void msi_unlock_descs(struct device *dev); +DEFINE_GUARD(msi_descs, struct device *, msi_lock_descs(_T), msi_unlock_descs(_T)) + struct msi_desc *msi_domain_first_desc(struct device *dev, unsigned int domid, enum msi_desc_filter filter);