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Unify PCI init and let pcidev clean itself up

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Previously the internal programmer used its own code to initialize pcilib.
This patch extracts the common code from the internal programmer and
pcidev_init() into pcidev_init_common().
This fixes the non-existent PCI cleanup of the internal programmer and adds
an additional safety by checking for an already existing PCI context.

We got a nice shutdown function registration infrastructure, but did not use it
very wisely. Instead we added shutdown functions to a myriad of programmers
unnecessarily. In this patch we get rid of those that do only call pci_cleanup(pacc)
by adding a shutdown function the pcidev.c itself that gets registered by
pcidev_init().

Corresponding to flashrom svn r1642.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Stefan Tauner
2013-01-04 22:24:58 +00:00
parent 30dfdbaf3a
commit 5561955b11
13 changed files with 44 additions and 41 deletions
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1
programmer.h
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@ -238,6 +238,7 @@ void internal_delay(int usecs);
extern uint32_t io_base_addr;
extern struct pci_access *pacc;
extern struct pci_dev *pcidev_dev;
int pci_init_common(void);
uintptr_t pcidev_readbar(struct pci_dev *dev, int bar);
uintptr_t pcidev_init(int bar, const struct dev_entry *devs);
/* rpci_write_* are reversible writes. The original PCI config space register