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authorRob Herring <robh@kernel.org>2020-04-09 17:49:21 -0600
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-05-01 16:28:59 +0100
commit0b104773b4f72ccd8af98a2f1efe69b174c344d3 (patch)
tree911e69c61000209ee777ebd565a493caf9dce609 /drivers/acpi/pci_mcfg.c
parent8f3d9f354286745c751374f5f1fcafee6b3f3136 (diff)
PCI: Constify struct pci_ecam_ops
struct pci_ecam_ops is typically DT match table data which is defined to be const. It's also best practice for ops structs to be const. Ideally, we'd make struct pci_ops const as well, but that becomes pretty invasive, so for now we just cast it where needed. Link: https://lore.kernel.org/r/20200409234923.21598-2-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Andrew Murray <amurray@thegoodpenguin.co.uk> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: Jonathan Chocron <jonnyc@amazon.com> Cc: Zhou Wang <wangzhou1@hisilicon.com> Cc: Robert Richter <rrichter@marvell.com> Cc: Toan Le <toan@os.amperecomputing.com> Cc: Marc Gonzalez <marc.w.gonzalez@free.fr> Cc: Mans Rullgard <mans@mansr.com> Cc: linux-acpi@vger.kernel.org
Diffstat (limited to 'drivers/acpi/pci_mcfg.c')
-rw-r--r--drivers/acpi/pci_mcfg.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
index 6b347d9920cc..54b36b7ad47d 100644
--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -29,7 +29,7 @@ struct mcfg_fixup {
u32 oem_revision;
u16 segment;
struct resource bus_range;
- struct pci_ecam_ops *ops;
+ const struct pci_ecam_ops *ops;
struct resource cfgres;
};
@@ -165,7 +165,7 @@ static int pci_mcfg_quirk_matches(struct mcfg_fixup *f, u16 segment,
static void pci_mcfg_apply_quirks(struct acpi_pci_root *root,
struct resource *cfgres,
- struct pci_ecam_ops **ecam_ops)
+ const struct pci_ecam_ops **ecam_ops)
{
#ifdef CONFIG_PCI_QUIRKS
u16 segment = root->segment;
@@ -191,9 +191,9 @@ static void pci_mcfg_apply_quirks(struct acpi_pci_root *root,
static LIST_HEAD(pci_mcfg_list);
int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres,
- struct pci_ecam_ops **ecam_ops)
+ const struct pci_ecam_ops **ecam_ops)
{
- struct pci_ecam_ops *ops = &pci_generic_ecam_ops;
+ const struct pci_ecam_ops *ops = &pci_generic_ecam_ops;
struct resource *bus_res = &root->secondary;
u16 seg = root->segment;
struct mcfg_entry *e;