From patchwork Wed Nov 14 09:41:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [RFC,09/10] s390/pci: add PCI Kconfig options Date: Tue, 13 Nov 2012 23:41:41 -0000 From: Jan Glauber X-Patchwork-Id: 198848 Message-Id: <11dacadc68300a20c761d7098fffef1861bdbbab.1352719878.git.jang@linux.vnet.ibm.com> To: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, heiko.carstens@de.ibm.com, schwidefsky@de.ibm.com, Jan Glauber Signed-off-by: Jan Glauber --- arch/s390/Kconfig | 56 +++++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 50 insertions(+), 6 deletions(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 5dba755..e3dd4aec 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -34,12 +34,6 @@ config GENERIC_BUG config GENERIC_BUG_RELATIVE_POINTERS def_bool y -config NO_IOMEM - def_bool y - -config NO_DMA - def_bool y - config ARCH_DMA_ADDR_T_64BIT def_bool 64BIT @@ -58,6 +52,12 @@ config KEXEC config AUDIT_ARCH def_bool y +config NO_IOPORT + def_bool y + +config PCI_QUIRKS + def_bool n + config S390 def_bool y select USE_GENERIC_SMP_HELPERS if SMP @@ -423,6 +423,50 @@ config QDIO If unsure, say Y. +menuconfig PCI + bool "PCI support" + default y + depends on 64BIT + select ARCH_SUPPORTS_MSI + select PCI_MSI + help + Enable PCI support. + +if PCI + +config PCI_NR_FUNCTIONS + int "Maximum number of PCI functions (1-4096)" + range 1 4096 + default "64" + help + This allows you to specify the maximum number of PCI functions which + this kernel will support. + +source "drivers/pci/Kconfig" +source "drivers/pci/pcie/Kconfig" +source "drivers/pci/hotplug/Kconfig" + +endif # PCI + +config PCI_DOMAINS + def_bool PCI + +config HAS_IOMEM + def_bool PCI + +config IOMMU_HELPER + def_bool PCI + +config HAS_DMA + def_bool PCI + select HAVE_DMA_API_DEBUG + +config NEED_SG_DMA_LENGTH + def_bool PCI + +config HAVE_DMA_ATTRS + def_bool PCI + config CHSC_SCH def_tristate m prompt "Support for CHSC subchannels"