PCI: remove ARCH_SUPPORTS_MSI kconfig option

Now that we have weak versions for each of the PCI MSI architecture
functions, we can actually build the MSI support for all platforms,
regardless of whether they provide or not architecture-specific
versions of those functions. For this reason, the ARCH_SUPPORTS_MSI
hidden kconfig boolean becomes useless, and this patch gets rid of it.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Daniel Price <daniel.price@gmail.com>
Tested-by: Thierry Reding <thierry.reding@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ba412e0..b173c1d 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -441,7 +441,6 @@ config ARCH_NETX
 config ARCH_IOP13XX
        bool "IOP13xx-based"
        depends on MMU
-       select ARCH_SUPPORTS_MSI
        select CPU_XSC3
        select NEED_MACH_MEMORY_H
        select NEED_RET_TO_USER

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 5a768ad..098602b 100644 (file)
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -9,7 +9,6 @@ config IA64
        select PCI if (!IA64_HP_SIM)
        select ACPI if (!IA64_HP_SIM)
        select PM if (!IA64_HP_SIM)
-       select ARCH_SUPPORTS_MSI
        select HAVE_UNSTABLE_SCHED_CLOCK
        select HAVE_IDE
        select HAVE_OPROFILE

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4758a8f..00b2698 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -726,7 +726,6 @@ config CAVIUM_OCTEON_SOC
        select SYS_HAS_CPU_CAVIUM_OCTEON
        select SWAP_IO_SPACE
        select HW_HAS_PCI
-       select ARCH_SUPPORTS_MSI
        select ZONE_DMA32
        select USB_ARCH_HAS_OHCI
        select USB_ARCH_HAS_EHCI
@@ -762,7 +761,6 @@ config NLM_XLR_BOARD
        select CEVT_R4K
        select CSRC_R4K
        select IRQ_CPU
-       select ARCH_SUPPORTS_MSI
        select ZONE_DMA32 if 64BIT
        select SYNC_R4K
        select SYS_HAS_EARLY_PRINTK

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3bf72cd..183a165 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -727,7 +727,6 @@ config PCI
        default y if !40x && !CPM2 && !8xx && !PPC_83xx \
                && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON
        default PCI_QSPAN if !4xx && !CPM2 && 8xx
-       select ARCH_SUPPORTS_MSI
        select GENERIC_PCI_IOMAP
        help
          Find out whether your system includes a PCI bus. PCI is the name of

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 22f75b5..e9982a3 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -428,7 +428,6 @@ menuconfig PCI
        bool "PCI support"
        default n
        depends on 64BIT
-       select ARCH_SUPPORTS_MSI
        select PCI_MSI
        help
          Enable PCI support.

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index a00cbd3..1570ad2 100644 (file)
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -52,7 +52,6 @@ config SPARC32
 
 config SPARC64
        def_bool 64BIT
-       select ARCH_SUPPORTS_MSI
        select HAVE_FUNCTION_TRACER
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_FUNCTION_GRAPH_FP_TEST

diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 24565a7..74dff90 100644 (file)
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -380,7 +380,6 @@ config PCI
        select PCI_DOMAINS
        select GENERIC_PCI_IOMAP
        select TILE_GXIO_TRIO if TILEGX
-       select ARCH_SUPPORTS_MSI if TILEGX
        select PCI_MSI if TILEGX
        ---help---
          Enable PCI root complex support, so PCIe endpoint devices can

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b32ebf9..5db62ef 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2014,7 +2014,6 @@ menu "Bus options (PCI etc.)"
 config PCI
        bool "PCI support"
        default y
-       select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC)
        ---help---
          Find out whether you have a PCI motherboard. PCI is the name of a
          bus system, i.e. the way the CPU talks to the other stuff inside

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 81944fb..b6a99f7 100644 (file)
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -1,13 +1,9 @@
 #
 # PCI configuration
 #
-config ARCH_SUPPORTS_MSI
-       bool
-
 config PCI_MSI
        bool "Message Signaled Interrupts (MSI and MSI-X)"
        depends on PCI
-       depends on ARCH_SUPPORTS_MSI
        help
           This allows device drivers to enable MSI (Message Signaled
           Interrupts).  Message Signaled Interrupts enable a device to