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iommu: Fix IOMMU debugfs fallout
A change made in the final version of IOMMU debugfs support replaced the
public function iommu_debugfs_new_driver_dir() by the public dentry
iommu_debugfs_dir in <linux/iommu.h>, but forgot to update both the
implementation in iommu-debugfs.c, and the patch description.
Fix this by exporting iommu_debugfs_dir, and removing the reference to
and implementation of iommu_debugfs_new_driver_dir().
Fixes: bad614b242
("iommu: Enable debugfs exposure of IOMMU driver internals")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
parent
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@ -12,6 +12,7 @@
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#include <linux/debugfs.h>
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#include <linux/debugfs.h>
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struct dentry *iommu_debugfs_dir;
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struct dentry *iommu_debugfs_dir;
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EXPORT_SYMBOL_GPL(iommu_debugfs_dir);
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/**
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/**
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* iommu_debugfs_setup - create the top-level iommu directory in debugfs
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* iommu_debugfs_setup - create the top-level iommu directory in debugfs
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@ -23,9 +24,9 @@ struct dentry *iommu_debugfs_dir;
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* Emit a strong warning at boot time to indicate that this feature is
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* Emit a strong warning at boot time to indicate that this feature is
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* enabled.
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* enabled.
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*
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*
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* This function is called from iommu_init; drivers may then call
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* This function is called from iommu_init; drivers may then use
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* iommu_debugfs_new_driver_dir() to instantiate a vendor-specific
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* iommu_debugfs_dir to instantiate a vendor-specific directory to be used
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* directory to be used to expose internal data.
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* to expose internal data.
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*/
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*/
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void iommu_debugfs_setup(void)
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void iommu_debugfs_setup(void)
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{
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{
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@ -48,19 +49,3 @@ void iommu_debugfs_setup(void)
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pr_warn("*************************************************************\n");
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pr_warn("*************************************************************\n");
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}
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}
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}
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}
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/**
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* iommu_debugfs_new_driver_dir - create a vendor directory under debugfs/iommu
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* @vendor: name of the vendor-specific subdirectory to create
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*
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* This function is called by an IOMMU driver to create the top-level debugfs
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* directory for that driver.
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*
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* Return: upon success, a pointer to the dentry for the new directory.
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* NULL in case of failure.
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*/
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struct dentry *iommu_debugfs_new_driver_dir(const char *vendor)
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{
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return debugfs_create_dir(vendor, iommu_debugfs_dir);
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}
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EXPORT_SYMBOL_GPL(iommu_debugfs_new_driver_dir);
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