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authorArnd Bergmann <arnd@arndb.de>2016-06-15 23:47:33 +0300
committerBjorn Helgaas <bhelgaas@google.com>2016-06-15 23:47:33 +0300
commit3ee803641e76bea76ec730c80dcc64739a9919ff (patch)
treec456dfc049a818f9d6687bcba279336a83bbb01e /drivers/irqchip/Kconfig
parentaf8c34ce6ae32addda3788d54a7e340cad22516b (diff)
downloadlinux-3ee803641e76bea76ec730c80dcc64739a9919ff.tar.xz
PCI/MSI: irqchip: Fix PCI_MSI dependencies
The PCI_MSI symbol is used inconsistently throughout the tree, with some drivers using 'select' and others using 'depends on', or using conditional selects. This keeps causing problems; the latest one is a result of ARCH_ALPINE using a 'select' statement to enable its platform-specific MSI driver without enabling MSI: warning: (ARCH_ALPINE) selects ALPINE_MSI which has unmet direct dependencies (PCI && PCI_MSI) drivers/irqchip/irq-alpine-msi.c:104:15: error: variable 'alpine_msix_domain_info' has initializer but incomplete type static struct msi_domain_info alpine_msix_domain_info = { ^~~~~~~~~~~~~~~ drivers/irqchip/irq-alpine-msi.c:105:2: error: unknown field 'flags' specified in initializer .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | ^ drivers/irqchip/irq-alpine-msi.c:105:11: error: 'MSI_FLAG_USE_DEF_DOM_OPS' undeclared here (not in a function) .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | ^~~~~~~~~~~~~~~~~~~~~~~~ There is little reason to enable PCI support for a platform that uses MSI but then leave MSI disabled at compile time. Select PCI_MSI from irqchips that implement MSI, and make PCI host bridges that use MSI on ARM depend on PCI_MSI_IRQ_DOMAIN. For all three architectures that support PCI_MSI_IRQ_DOMAIN (ARM, ARM64, X86), enable it by default whenever MSI is enabled. [bhelgaas: changelog, omit crypto config change] Suggested-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/Kconfig')
-rw-r--r--drivers/irqchip/Kconfig18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index fa33c50b0e5a..11ecb6cfb2e5 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -15,9 +15,9 @@ config ARM_GIC_MAX_NR
config ARM_GIC_V2M
bool
- depends on ARM_GIC
- depends on PCI && PCI_MSI
- select PCI_MSI_IRQ_DOMAIN
+ depends on PCI
+ select ARM_GIC
+ select PCI_MSI
config GIC_NON_BANKED
bool
@@ -31,7 +31,8 @@ config ARM_GIC_V3
config ARM_GIC_V3_ITS
bool
- select PCI_MSI_IRQ_DOMAIN
+ depends on PCI
+ depends on PCI_MSI
config ARM_NVIC
bool
@@ -56,13 +57,13 @@ config ARM_VIC_NR
config ARMADA_370_XP_IRQ
bool
select GENERIC_IRQ_CHIP
- select PCI_MSI_IRQ_DOMAIN if PCI_MSI
+ select PCI_MSI if PCI
config ALPINE_MSI
bool
- depends on PCI && PCI_MSI
+ depends on PCI
+ select PCI_MSI
select GENERIC_IRQ_CHIP
- select PCI_MSI_IRQ_DOMAIN
config ATMEL_AIC_IRQ
bool
@@ -111,7 +112,6 @@ config HISILICON_IRQ_MBIGEN
bool
select ARM_GIC_V3
select ARM_GIC_V3_ITS
- select GENERIC_MSI_IRQ_DOMAIN
config IMGPDC_IRQ
bool
@@ -244,12 +244,10 @@ config IRQ_MXS
config MVEBU_ODMI
bool
- select GENERIC_MSI_IRQ_DOMAIN
config LS_SCFG_MSI
def_bool y if SOC_LS1021A || ARCH_LAYERSCAPE
depends on PCI && PCI_MSI
- select PCI_MSI_IRQ_DOMAIN
config PARTITION_PERCPU
bool