Re: [PATCH v3 1/2] asm-generic: Remove pci.h copying remaining code to x86

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On 7/18/22 02:41, Stafford Horne wrote:
The generic pci.h header now only provides a definition of
pci_get_legacy_ide_irq which is used by architectures that support PNP.
Of the architectures that use asm-generic/pci.h this is only x86.

This patch removes the old pci.h in order to make room for a new
pci.h to be used by arm64, riscv, openrisc, etc.

The existing code in pci.h is moved out to x86.  On other architectures
we clean up any outstanding references.

Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
Link: https://lore.kernel.org/lkml/CAK8P3a0JmPeczfmMBE__vn=Jbvf=nkbpVaZCycyv40pZNCJJXQ@xxxxxxxxxxxxxx/
Signed-off-by: Stafford Horne <shorne@xxxxxxxxx>
---
Since v2:
  - Remove pci_get_legacy_ide_irq in m68k
Since v1:
  - Remove pci_get_legacy_ide_irq for most architectures as its not needed.

  arch/alpha/include/asm/pci.h   |  1 -
  arch/ia64/include/asm/pci.h    |  1 -
  arch/m68k/include/asm/pci.h    |  2 --
  arch/powerpc/include/asm/pci.h |  1 -
  arch/s390/include/asm/pci.h    |  1 -
  arch/sparc/include/asm/pci.h   |  9 ---------
  arch/x86/include/asm/pci.h     |  6 ++++--
  arch/xtensa/include/asm/pci.h  |  3 ---
  include/asm-generic/pci.h      | 17 -----------------
  9 files changed, 4 insertions(+), 37 deletions(-)
  delete mode 100644 include/asm-generic/pci.h

diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index cf6bc1e64d66..8ac5af0fc4da 100644
--- a/arch/alpha/include/asm/pci.h
+++ b/arch/alpha/include/asm/pci.h
@@ -56,7 +56,6 @@ struct pci_controller {
/* IOMMU controls. */ -/* TODO: integrate with include/asm-generic/pci.h ? */
  static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  {
  	return channel ? 15 : 14;
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 8c163d1d0189..218412d963c2 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -63,7 +63,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
  	return (pci_domain_nr(bus) != 0);
  }
-#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
  static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  {
  	return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h
index 5a4bc223743b..ccdfa0dc8413 100644
--- a/arch/m68k/include/asm/pci.h
+++ b/arch/m68k/include/asm/pci.h
@@ -2,8 +2,6 @@
  #ifndef _ASM_M68K_PCI_H
  #define _ASM_M68K_PCI_H
-#include <asm-generic/pci.h>
-
  #define	pcibios_assign_all_busses()	1
#define PCIBIOS_MIN_IO 0x00000100
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index 915d6ee4b40a..f9da506751bb 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -39,7 +39,6 @@
  #define pcibios_assign_all_busses() \
  	(pci_has_flag(PCI_REASSIGN_ALL_BUS))
-#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
  static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  {
  	if (ppc_md.pci_get_legacy_ide_irq)
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index fdb9745ee998..5889ddcbc374 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -6,7 +6,6 @@
  #include <linux/mutex.h>
  #include <linux/iommu.h>
  #include <linux/pci_hotplug.h>
-#include <asm-generic/pci.h>
  #include <asm/pci_clp.h>
  #include <asm/pci_debug.h>
  #include <asm/sclp.h>

Did not notice any problem for S390.

Acked-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>



--
Pierre Morel
IBM Lab Boeblingen



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