linux-kernel - Re: [PATCH] PCI: Fix PCI kconfig menu organization

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Date:   Mon, 14 Jan 2019 17:04:21 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        linux-pci@...r.kernel.org
Subject: Re: [PATCH] PCI: Fix PCI kconfig menu organization

On Mon, Jan 14, 2019 at 03:35:46PM -0600, Rob Herring wrote:
> After commit eb01d42a7778 ("PCI: consolidate PCI config entry in
> drivers/pci"), all the PCI kconfig options appear below "PCI support"
> rather than within a sub-menu. This is because menuconfig expects all
> kconfig entries to be enclosed in an if/endif section. Add the missing
> if/endif.
> 
> With this, "depends on PCI" is redundant in the sub-menu  entries and
> can be removed.
> 
> Fixes: eb01d42a7778 ("PCI: consolidate PCI config entry in drivers/pci")
> Cc: Christoph Hellwig <hch@....de>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: linux-pci@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>

Applied to for-linus for v5.0, thanks!

> ---
>  drivers/pci/Kconfig | 22 ++++++++--------------
>  1 file changed, 8 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 4310c7a4212e..2ab92409210a 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -21,13 +21,14 @@ menuconfig PCI
>  	  support for PCI-X and the foundations for PCI Express support.
>  	  Say 'Y' here unless you know what you are doing.
>  
> +if PCI
> +
>  config PCI_DOMAINS
>  	bool
>  	depends on PCI
>  
>  config PCI_DOMAINS_GENERIC
>  	bool
> -	depends on PCI
>  	select PCI_DOMAINS
>  
>  config PCI_SYSCALL
> @@ -37,7 +38,6 @@ source "drivers/pci/pcie/Kconfig"
>  
>  config PCI_MSI
>  	bool "Message Signaled Interrupts (MSI and MSI-X)"
> -	depends on PCI
>  	select GENERIC_MSI_IRQ
>  	help
>  	   This allows device drivers to enable MSI (Message Signaled
> @@ -59,7 +59,6 @@ config PCI_MSI_IRQ_DOMAIN
>  config PCI_QUIRKS
>  	default y
>  	bool "Enable PCI quirk workarounds" if EXPERT
> -	depends on PCI
>  	help
>  	  This enables workarounds for various PCI chipset bugs/quirks.
>  	  Disable this only if your target machine is unaffected by PCI
> @@ -67,7 +66,7 @@ config PCI_QUIRKS
>  
>  config PCI_DEBUG
>  	bool "PCI Debugging"
> -	depends on PCI && DEBUG_KERNEL
> +	depends on DEBUG_KERNEL
>  	help
>  	  Say Y here if you want the PCI core to produce a bunch of debug
>  	  messages to the system log.  Select this if you are having a
> @@ -77,7 +76,6 @@ config PCI_DEBUG
>  
>  config PCI_REALLOC_ENABLE_AUTO
>  	bool "Enable PCI resource re-allocation detection"
> -	depends on PCI
>  	depends on PCI_IOV
>  	help
>  	  Say Y here if you want the PCI core to detect if PCI resource
> @@ -90,7 +88,6 @@ config PCI_REALLOC_ENABLE_AUTO
>  
>  config PCI_STUB
>  	tristate "PCI Stub driver"
> -	depends on PCI
>  	help
>  	  Say Y or M here if you want be able to reserve a PCI device
>  	  when it is going to be assigned to a guest operating system.
> @@ -99,7 +96,6 @@ config PCI_STUB
>  
>  config PCI_PF_STUB
>  	tristate "PCI PF Stub driver"
> -	depends on PCI
>  	depends on PCI_IOV
>  	help
>  	  Say Y or M here if you want to enable support for devices that
> @@ -111,7 +107,7 @@ config PCI_PF_STUB
>  
>  config XEN_PCIDEV_FRONTEND
>          tristate "Xen PCI Frontend"
> -        depends on PCI && X86 && XEN
> +        depends on X86 && XEN
>          select PCI_XEN
>  	select XEN_XENBUS_FRONTEND
>          default y
> @@ -133,7 +129,6 @@ config PCI_BRIDGE_EMUL
>  
>  config PCI_IOV
>  	bool "PCI IOV support"
> -	depends on PCI
>  	select PCI_ATS
>  	help
>  	  I/O Virtualization is a PCI feature supported by some devices
> @@ -144,7 +139,6 @@ config PCI_IOV
>  
>  config PCI_PRI
>  	bool "PCI PRI support"
> -	depends on PCI
>  	select PCI_ATS
>  	help
>  	  PRI is the PCI Page Request Interface. It allows PCI devices that are
> @@ -154,7 +148,6 @@ config PCI_PRI
>  
>  config PCI_PASID
>  	bool "PCI PASID support"
> -	depends on PCI
>  	select PCI_ATS
>  	help
>  	  Process Address Space Identifiers (PASIDs) can be used by PCI devices
> @@ -167,7 +160,7 @@ config PCI_PASID
>  
>  config PCI_P2PDMA
>  	bool "PCI peer-to-peer transfer support"
> -	depends on PCI && ZONE_DEVICE
> +	depends on ZONE_DEVICE
>  	select GENERIC_ALLOCATOR
>  	help
>  	  Enableѕ drivers to do PCI peer-to-peer transactions to and from
> @@ -184,12 +177,11 @@ config PCI_P2PDMA
>  
>  config PCI_LABEL
>  	def_bool y if (DMI || ACPI)
> -	depends on PCI
>  	select NLS
>  
>  config PCI_HYPERV
>          tristate "Hyper-V PCI Frontend"
> -        depends on PCI && X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64
> +        depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64
>          help
>            The PCI device frontend driver allows the kernel to import arbitrary
>            PCI devices from a PCI backend to support PCI driver domains.
> @@ -198,3 +190,5 @@ source "drivers/pci/hotplug/Kconfig"
>  source "drivers/pci/controller/Kconfig"
>  source "drivers/pci/endpoint/Kconfig"
>  source "drivers/pci/switch/Kconfig"
> +
> +endif
> -- 
> 2.19.1
>