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device: constify pciexp_find_extended_cap() 

The object pointed to by the struct device * argument is not modified,
therefore it can be made const.

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I300d2a59eb0513ddd08d4f1d2a3c6eb829e3f836
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61214
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Tim Wawrzynczak 2022-01-19 11:22:51 -07:00 committed by Felix Held
parent 1b57537530
commit 672e844692
2 changed files with 2 additions and 2 deletions
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2
src/device/pciexp_device.c
View File

@ -8,7 +8,7 @@
#include <device/pci_ops.h> #include <device/pci_ops.h>
#include <device/pciexp.h> #include <device/pciexp.h>
unsigned int pciexp_find_extended_cap(struct device *dev, unsigned int cap) unsigned int pciexp_find_extended_cap(const struct device *dev, unsigned int cap)
{ {
unsigned int this_cap_offset, next_cap_offset; unsigned int this_cap_offset, next_cap_offset;
unsigned int this_cap, cafe; unsigned int this_cap, cafe;

2
src/include/device/pciexp.h
View File

@ -30,7 +30,7 @@ void pciexp_hotplug_scan_bridge(struct device *dev);
extern struct device_operations default_pciexp_hotplug_ops_bus; extern struct device_operations default_pciexp_hotplug_ops_bus;
unsigned int pciexp_find_extended_cap(struct device *dev, unsigned int cap); unsigned int pciexp_find_extended_cap(const struct device *dev, unsigned int cap);
static inline bool pciexp_is_downstream_port(int type) static inline bool pciexp_is_downstream_port(int type)
{ {