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logic_pio: Build into a library

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Object file logic_pio.o is always built.

Ideally the object file should only be built when required. This is
tricky, as that would be for archs which define PCI_IOBASE, but no common
config option exists for that.

For now, continue to always build but at least ensure the symbols are not
included in the vmlinux when not referenced.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This commit is contained in:
John Garry 2019-11-05 01:22:19 +08:00 committed by Wei Xu
parent 3e5cd20d4e
commit f361c863b3
1 changed files with 1 additions and 1 deletions
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lib/Makefile
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@ -108,7 +108,7 @@ obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
obj-y += logic_pio.o
lib-y += logic_pio.o
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o