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| author |   Arnd Bergmann <arnd@arndb.de> | 2016-06-15 15:47:33 -0500 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2016-06-15 15:47:33 -0500 |
| commit | 3ee803641e76bea76ec730c80dcc64739a9919ff (patch) | |
| tree | c456dfc049a818f9d6687bcba279336a83bbb01e /drivers/irqchip | |
| parent | Linux 4.7-rc2 (diff) | |
| download | linux-dev-3ee803641e76bea76ec730c80dcc64739a9919ff.tar.xz linux-dev-3ee803641e76bea76ec730c80dcc64739a9919ff.zip | |
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')
| -rw-r--r-- | drivers/irqchip/Kconfig | 18 |
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 |