Re: [PATCH 1/5] pci/of: Match PCI devices to OF nodes dynamically

[David Miller]

From: David Miller <davem@xxxxxxxxxxxxx>
Date: Thu, 07 Apr 2011 15:29:37 -0700 (PDT)

> From: David Miller <davem@xxxxxxxxxxxxx>
> Date: Thu, 07 Apr 2011 15:27:07 -0700 (PDT)
> 
>> However, of_pci_find_child_device() lives in drivers/of/of_pci.c which is not
>> built into the tree because you haven't provided the necessary changes to
>> drivers/of/Makefile in this patch.
> 
> Oh I see, it exists already but it's only built into the tree for
> microblaze, x86, and ppc.
> 
> There's a lot of stuff in there which is superfluous and will never
> be used on sparc.
> 
> Everything in there except the new of_pci_find_child_device() function
> will be never ever used on sparc and therefore dead code.

Furthermore it will never build on sparc even if we wanted to do so
temporarily because it references interfaces sparc doesn't provide:

drivers/of/of_pci.c: In function ʽof_irq_map_pciʼ:
drivers/of/of_pci.c:32:3: error: implicit declaration of function ʽof_irq_map_oneʼ [-Werror=implicit-function-declaration]
drivers/of/of_pci.c:56:4: error: implicit declaration of function ʽpci_bus_to_OF_nodeʼ [-Werror=implicit-function-declaration]
drivers/of/of_pci.c:56:11: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/of/of_pci.c:90:2: error: implicit declaration of function ʽof_irq_map_rawʼ [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

I don't think it's a good idea to mix the things you're trying to do
with all of the existing stuff in of_pci.c, why not create a new file
for the stuff you're trying to consolidate?
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