linux-kernel - [PATCH] PCI: hv: Make functions only used locally static in pci-hyperv.c

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Message-Id: <20190826154159.9005-1-kw@linux.com>
Date:   Mon, 26 Aug 2019 17:41:59 +0200
From:   Krzysztof Wilczynski <kw@...ux.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org
Subject: [PATCH] PCI: hv: Make functions only used locally static in pci-hyperv.c

Functions hv_read_config_block(), hv_write_config_block()
and hv_register_block_invalidate() are not used anywhere
else and are local to drivers/pci/controller/pci-hyperv.c,
and do not need to be in global scope, so make these static.

Resolve compiler warning that can be seen when building with
warnings enabled (W=1).

Signed-off-by: Krzysztof Wilczynski <kw@...ux.com>
---
 drivers/pci/controller/pci-hyperv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index f1f300218fab..c9642e429c2d 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -930,7 +930,7 @@ static void hv_pci_read_config_compl(void *context, struct pci_response *resp,
  *
  * Return: 0 on success, -errno on failure
  */
-int hv_read_config_block(struct pci_dev *pdev, void *buf, unsigned int len,
+static int hv_read_config_block(struct pci_dev *pdev, void *buf, unsigned int len,
 			 unsigned int block_id, unsigned int *bytes_returned)
 {
 	struct hv_pcibus_device *hbus =
@@ -1010,7 +1010,7 @@ static void hv_pci_write_config_compl(void *context, struct pci_response *resp,
  *
  * Return: 0 on success, -errno on failure
  */
-int hv_write_config_block(struct pci_dev *pdev, void *buf, unsigned int len,
+static int hv_write_config_block(struct pci_dev *pdev, void *buf, unsigned int len,
 			  unsigned int block_id)
 {
 	struct hv_pcibus_device *hbus =
@@ -1079,7 +1079,7 @@ int hv_write_config_block(struct pci_dev *pdev, void *buf, unsigned int len,
  *
  * Return: 0 on success, -errno on failure
  */
-int hv_register_block_invalidate(struct pci_dev *pdev, void *context,
+static int hv_register_block_invalidate(struct pci_dev *pdev, void *context,
 				 void (*block_invalidate)(void *context,
 							  u64 block_mask))
 {
-- 
2.22.1