On Thu, Mar 17, 2016 at 11:52:49AM +0100, Arnd Bergmann wrote:
> 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,
> and the latest one is a result of ARCH_ALPINE using a 'select'
> statement to enable its platform specific MSI driver but not
> enabling MSI support first:
>
> 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 leaving MSI disabled at compile time, so this
> patch changes the various Kconfig statement relating to PCI_MSI
> so they all use 'select'.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Suggested-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Acked-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
thanks, Arnd!
Jason.
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