From: Vasant Hegde <vasant.hegde@amd.com>
Date: Tue, 1 Mar 2022 14:26:24 +0530
Subject: iommu/amd: Clean up function declarations
Git-commit: 3bf01426a574b1fe0ec21aabb7148aff777e623f
Patch-mainline: v5.18-rc1
References: bsc#1205701

Remove unused declarations and add static keyword as needed.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20220301085626.87680-4-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/iommu/amd/amd_iommu.h |    4 ----
 drivers/iommu/amd/init.c      |    2 +-
 2 files changed, 1 insertion(+), 5 deletions(-)

--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -15,10 +15,6 @@ extern irqreturn_t amd_iommu_int_thread(
 extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
 extern void amd_iommu_apply_erratum_63(u16 devid);
 extern void amd_iommu_restart_event_logging(struct amd_iommu *iommu);
-extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu);
-extern int amd_iommu_init_devices(void);
-extern void amd_iommu_uninit_devices(void);
-extern void amd_iommu_init_notifier(void);
 extern int amd_iommu_init_api(void);
 
 #ifdef CONFIG_AMD_IOMMU_DEBUGFS
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -671,7 +671,7 @@ void amd_iommu_restart_event_logging(str
  * This function resets the command buffer if the IOMMU stopped fetching
  * commands from it.
  */
-void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu)
+static void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu)
 {
 	iommu_feature_disable(iommu, CONTROL_CMDBUF_EN);