linux-kernel - [PATCH 1/3] iova: Make has_iova_flush

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Date:   Wed, 9 Dec 2020 23:50:17 +0800
From:   John Garry <john.garry@...wei.com>
To:     <joro@...tes.org>, <will@...nel.org>
CC:     <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <robin.murphy@....com>,
        John Garry <john.garry@...wei.com>
Subject: [PATCH 1/3] iova: Make has_iova_flush_queue() private

Function has_iova_flush_queue() has no users outside iova.c, so make it
private.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/iommu/iova.c | 2 +-
 include/linux/iova.h | 6 ------
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 4bb3293ae4d7..0a758ec2a1c4 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -55,7 +55,7 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule,
 }
 EXPORT_SYMBOL_GPL(init_iova_domain);
 
-bool has_iova_flush_queue(struct iova_domain *iovad)
+static bool has_iova_flush_queue(struct iova_domain *iovad)
 {
 	return !!iovad->fq;
 }
diff --git a/include/linux/iova.h b/include/linux/iova.h
index 76e16ae20729..2b76e0be1c5b 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -153,7 +153,6 @@ struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
 void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to);
 void init_iova_domain(struct iova_domain *iovad, unsigned long granule,
 	unsigned long start_pfn);
-bool has_iova_flush_queue(struct iova_domain *iovad);
 int init_iova_flush_queue(struct iova_domain *iovad,
 			  iova_flush_cb flush_cb, iova_entry_dtor entry_dtor);
 struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
@@ -223,11 +222,6 @@ static inline void init_iova_domain(struct iova_domain *iovad,
 {
 }
 
-static inline bool has_iova_flush_queue(struct iova_domain *iovad)
-{
-	return false;
-}
-
 static inline int init_iova_flush_queue(struct iova_domain *iovad,
 					iova_flush_cb flush_cb,
 					iova_entry_dtor entry_dtor)
-- 
2.26.2