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hw/pci-host/pam: Make init_pam() usage more readable

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Unlike pam_update() which takes the subject -- PAMMemoryRegion -- as
first argument, init_pam() takes it as fifth (!) argument. This makes it
quite hard to figure out what an init_pam() invocation actually
initializes. By moving the subject to the front this should become
clearer.

While at it, lower the DeviceState parameter to Object, also
communicating more clearly that this parameter is just the owner rather
than some (heavy?) dependency.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213162004.2797-8-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bernhard Beschow 2023-02-13 17:20:02 +01:00 • committed by Michael S. Tsirkin
parent f9fddaf7ce
commit 9e57b81861
4 changed files with 18 additions and 17 deletions
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5
include/hw/pci-host/pam.h
View file

@ -87,8 +87,9 @@ typedef struct PAMMemoryRegion {
unsigned current;
} PAMMemoryRegion;
void init_pam(DeviceState *dev, MemoryRegion *ram, MemoryRegion *system,
MemoryRegion *pci, PAMMemoryRegion *mem, uint32_t start, uint32_t size);
void init_pam(PAMMemoryRegion *mem, Object *owner, MemoryRegion *ram,
MemoryRegion *system, MemoryRegion *pci,
uint32_t start, uint32_t size);
void pam_update(PAMMemoryRegion *mem, int idx, uint8_t val);
#endif /* QEMU_PAM_H */