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Only the PCI controller has access to the PCI region information. Make sure
to use the controller (rather than any attached bridges) when configuring
devices.
This corrects a failure to scan and configure devices when driver model is
enabled for PCI.
Also add a comment to explain the problem.
Signed-off-by: Simon Glass <sjg@chromium.org>
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pci_hose_phys_to_bus() is needed by several drivers. Move it to
pci_common.c to avoid a broken build when CONFIG_DM_PCI is on.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Driver model will share many functions with the existing PCI implementation.
Move these into their own file to avoid duplication and confusion.
Signed-off-by: Simon Glass <sjg@chromium.org>
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