linux-kernel - [PATCH] PCI: constify pci_platform_pm

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Message-Id: <1449419625-29045-1-git-send-email-Julia.Lawall@lip6.fr>
Date:	Sun,  6 Dec 2015 17:33:45 +0100
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	linux-kernel@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: [PATCH] PCI: constify pci_platform_pm_ops structure

The pci_platform_pm_ops structure is never modified, so declare it as
const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 drivers/pci/pci-acpi.c |    2 +-
 drivers/pci/pci.c      |    4 ++--
 drivers/pci/pci.h      |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index a32ba75..8400f80 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -529,7 +529,7 @@ static bool acpi_pci_need_resume(struct pci_dev *dev)
 	return !!adev->power.flags.dsw_present;
 }
 
-static struct pci_platform_pm_ops acpi_pci_platform_pm = {
+static const struct pci_platform_pm_ops acpi_pci_platform_pm = {
 	.is_manageable = acpi_pci_power_manageable,
 	.set_state = acpi_pci_set_power_state,
 	.choose_state = acpi_pci_choose_state,
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 314db8c..d1a7105 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -527,9 +527,9 @@ static void pci_restore_bars(struct pci_dev *dev)
 		pci_update_resource(dev, i);
 }
 
-static struct pci_platform_pm_ops *pci_platform_pm;
+static const struct pci_platform_pm_ops *pci_platform_pm;
 
-int pci_set_platform_pm(struct pci_platform_pm_ops *ops)
+int pci_set_platform_pm(const struct pci_platform_pm_ops *ops)
 {
 	if (!ops->is_manageable || !ops->set_state || !ops->choose_state
 	    || !ops->sleep_wake)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index d390fc1..f6f151a 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -68,7 +68,7 @@ struct pci_platform_pm_ops {
 	bool (*need_resume)(struct pci_dev *dev);
 };
 
-int pci_set_platform_pm(struct pci_platform_pm_ops *ops);
+int pci_set_platform_pm(const struct pci_platform_pm_ops *ops);
 void pci_update_current_state(struct pci_dev *dev, pci_power_t state);
 void pci_power_up(struct pci_dev *dev);
 void pci_disable_enabled_device(struct pci_dev *dev);

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