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authorThomas Gleixner <tglx@linutronix.de>2025-03-19 11:57:01 +0100
committerThomas Gleixner <tglx@linutronix.de>2025-04-09 20:47:30 +0200
commit9357e329cdeb6f2d27b431a22d4965700bec478a (patch)
treee69ea397ab8c6a47ba4b3f0c5e49bd77f8e17803
parente46a28cea29a0ca7d51c811acccf5d119b40c745 (diff)
genirq/msi: Rename msi_[un]lock_descs()
Now that all abuse is gone and the legit users are converted to guard(msi_descs_lock), rename the lock functions and document them as internal. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huwei.com> Link: https://lore.kernel.org/all/20250319105506.864699741@linutronix.de
-rw-r--r--include/linux/msi.h8
-rw-r--r--kernel/irq/msi.c16
2 files changed, 14 insertions, 10 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 4e439916dbcf..8c0ec9fc05a3 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -229,11 +229,11 @@ struct msi_dev_domain {
int msi_setup_device_data(struct device *dev);
-void msi_lock_descs(struct device *dev);
-void msi_unlock_descs(struct device *dev);
+void __msi_lock_descs(struct device *dev);
+void __msi_unlock_descs(struct device *dev);
-DEFINE_LOCK_GUARD_1(msi_descs_lock, struct device, msi_lock_descs(_T->lock),
- msi_unlock_descs(_T->lock));
+DEFINE_LOCK_GUARD_1(msi_descs_lock, struct device, __msi_lock_descs(_T->lock),
+ __msi_unlock_descs(_T->lock));
struct msi_desc *msi_domain_first_desc(struct device *dev, unsigned int domid,
enum msi_desc_filter filter);
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 5747d2078782..a8f7701c2929 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -343,26 +343,30 @@ int msi_setup_device_data(struct device *dev)
}
/**
- * msi_lock_descs - Lock the MSI descriptor storage of a device
+ * __msi_lock_descs - Lock the MSI descriptor storage of a device
* @dev: Device to operate on
+ *
+ * Internal function for guard(msi_descs_lock). Don't use in code.
*/
-void msi_lock_descs(struct device *dev)
+void __msi_lock_descs(struct device *dev)
{
mutex_lock(&dev->msi.data->mutex);
}
-EXPORT_SYMBOL_GPL(msi_lock_descs);
+EXPORT_SYMBOL_GPL(__msi_lock_descs);
/**
- * msi_unlock_descs - Unlock the MSI descriptor storage of a device
+ * __msi_unlock_descs - Unlock the MSI descriptor storage of a device
* @dev: Device to operate on
+ *
+ * Internal function for guard(msi_descs_lock). Don't use in code.
*/
-void msi_unlock_descs(struct device *dev)
+void __msi_unlock_descs(struct device *dev)
{
/* Invalidate the index which was cached by the iterator */
dev->msi.data->__iter_idx = MSI_XA_MAX_INDEX;
mutex_unlock(&dev->msi.data->mutex);
}
-EXPORT_SYMBOL_GPL(msi_unlock_descs);
+EXPORT_SYMBOL_GPL(__msi_unlock_descs);
static struct msi_desc *msi_find_desc(struct msi_device_data *md, unsigned int domid,
enum msi_desc_filter filter)