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authorPhilipp Stanner <pstanner@redhat.com>2024-01-31 10:00:21 +0100
committerBjorn Helgaas <bhelgaas@google.com>2024-02-12 10:35:40 -0600
commitae874027524c537a15e8d6f14ff69b855bc13ca8 (patch)
tree23ea26c2db5eb24877069e15363549053537e204
parent7626913652cc786c238e2dd7d8740b17d41b2637 (diff)
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PCI: Move pci_iomap.c to drivers/pci/
The entirety of pci_iomap.c is guarded by an #ifdef CONFIG_PCI. It, consequently, does not belong to lib/ because it is not generic infrastructure. Move pci_iomap.c to drivers/pci/ and implement the necessary changes to Makefiles and Kconfigs. Update MAINTAINERS file. Update Documentation. Link: https://lore.kernel.org/r/20240131090023.12331-3-pstanner@redhat.com [bhelgaas: squash in https://lore.kernel.org/r/20240212150934.24559-1-pstanner@redhat.com] Suggested-by: Danilo Krummrich <dakr@redhat.com> Signed-off-by: Philipp Stanner <pstanner@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--Documentation/driver-api/device-io.rst3
-rw-r--r--Documentation/driver-api/pci/pci.rst3
-rw-r--r--MAINTAINERS1
-rw-r--r--drivers/pci/Kconfig5
-rw-r--r--drivers/pci/Makefile1
-rw-r--r--drivers/pci/iomap.c (renamed from lib/pci_iomap.c)3
-rw-r--r--lib/Kconfig3
-rw-r--r--lib/Makefile1
8 files changed, 9 insertions, 11 deletions
diff --git a/Documentation/driver-api/device-io.rst b/Documentation/driver-api/device-io.rst
index d55384b106bd..5c7e8194bef9 100644
--- a/Documentation/driver-api/device-io.rst
+++ b/Documentation/driver-api/device-io.rst
@@ -517,6 +517,3 @@ Public Functions Provided
.. kernel-doc:: arch/x86/include/asm/io.h
:internal:
-
-.. kernel-doc:: lib/pci_iomap.c
- :export:
diff --git a/Documentation/driver-api/pci/pci.rst b/Documentation/driver-api/pci/pci.rst
index 4843cfad4f60..bacf23bf1343 100644
--- a/Documentation/driver-api/pci/pci.rst
+++ b/Documentation/driver-api/pci/pci.rst
@@ -4,6 +4,9 @@ PCI Support Library
.. kernel-doc:: drivers/pci/pci.c
:export:
+.. kernel-doc:: drivers/pci/iomap.c
+ :export:
+
.. kernel-doc:: drivers/pci/pci-driver.c
:export:
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6a69..395fcaad63e7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16954,7 +16954,6 @@ F: include/asm-generic/pci*
F: include/linux/of_pci.h
F: include/linux/pci*
F: include/uapi/linux/pci*
-F: lib/pci*
PCIE DRIVER FOR AMAZON ANNAPURNA LABS
M: Jonathan Chocron <jonnyc@amazon.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 74147262625b..d35001589d88 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -13,6 +13,11 @@ config FORCE_PCI
select HAVE_PCI
select PCI
+# select this to provide a generic PCI iomap,
+# without PCI itself having to be defined
+config GENERIC_PCI_IOMAP
+ bool
+
menuconfig PCI
bool "PCI support"
depends on HAVE_PCI
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index cc8b4e01e29d..64dcedccfc87 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -14,6 +14,7 @@ ifdef CONFIG_PCI
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_SYSFS) += slot.o
obj-$(CONFIG_ACPI) += pci-acpi.o
+obj-$(CONFIG_GENERIC_PCI_IOMAP) += iomap.o
endif
obj-$(CONFIG_OF) += of.o
diff --git a/lib/pci_iomap.c b/drivers/pci/iomap.c
index 2829ddb0e316..c9725428e387 100644
--- a/lib/pci_iomap.c
+++ b/drivers/pci/iomap.c
@@ -9,7 +9,6 @@
#include <linux/export.h>
-#ifdef CONFIG_PCI
/**
* pci_iomap_range - create a virtual mapping cookie for a PCI BAR
* @dev: PCI device that owns the BAR
@@ -176,5 +175,3 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *p)
EXPORT_SYMBOL(pci_iounmap);
#endif /* ARCH_WANTS_GENERIC_PCI_IOUNMAP */
-
-#endif /* CONFIG_PCI */
diff --git a/lib/Kconfig b/lib/Kconfig
index 5ddda7c2ed9b..4557bb8a5256 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -70,9 +70,6 @@ source "lib/math/Kconfig"
config NO_GENERIC_PCI_IOPORT_MAP
bool
-config GENERIC_PCI_IOMAP
- bool
-
config GENERIC_IOMAP
bool
select GENERIC_PCI_IOMAP
diff --git a/lib/Makefile b/lib/Makefile
index 6b09731d8e61..0800289ec6c5 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -153,7 +153,6 @@ CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
obj-y += math/ crypto/
obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
-obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o