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In embedded environments the requirements are to be able to pick and choose which features one requires built into the kernel. If an embedded environment wants to supports loading modules that have been kbuilt out of tree, there is a need to enable hidden configurations for legacy wireless core features to provide the API surface for them to load. Introduce CONFIG_GKI_LEGACY_WEXT_ALLCONFIG to select all legacy wireless extension core features by activating in turn all the associated hidden configuration options, without having to specifically select any wireless module(s). (rejected upstream commit url https://lkml.org/lkml/2019/9/6/878) Signed-off-by: Mark Salyzyn <salyzyn@google.com> Bug: 140250271 Change-Id: Ie40e656d87ce21ae82f04ffe8dae2f0efab88a2e
75 lines
2.6 KiB
Text
75 lines
2.6 KiB
Text
config GKI_HIDDEN_DRM_CONFIGS
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bool "Hidden DRM configs needed for GKI"
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select DRM_KMS_HELPER if (HAS_IOMEM && DRM)
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select DRM_GEM_CMA_HELPER
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select DRM_KMS_CMA_HELPER
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select DRM_MIPI_DSI
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help
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Dummy config option used to enable hidden DRM configs.
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These are normally selected implicitely when including a
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DRM module, but for GKI, the modules are built out-of-tree.
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config GKI_HIDDEN_REGMAP_CONFIGS
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bool "Hidden Regmap configs needed for GKI"
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select REGMAP_IRQ
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help
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Dummy config option used to enable hidden regmap configs.
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These are normally selected implicitely when a module
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that relies on it is configured.
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config GKI_HIDDEN_SND_SOC_CONFIGS
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bool "Hidden SND_SOC configs needed for GKI"
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select SND_SOC_GENERIC_DMAENGINE_PCM if (SND_SOC && SND)
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help
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Dummy config option used to enable hidden SND_SOC configs.
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These are normally selected implicitely when a module
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that relies on it is configured.
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config GKI_HIDDEN_GPIO_CONFIGS
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bool "Hidden GPIO configs needed for GKI"
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select PINCTRL_SINGLE if (PINCTRL && OF && HAS_IOMEM)
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select GPIO_PL061 if (HAS_IOMEM && ARM_AMBA && GPIOLIB)
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help
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Dummy config option used to enable hidden GPIO configs.
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These are normally selected implicitely when a module
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that relies on it is configured.
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# LEGACY_WEXT_ALLCONFIG Discussed upstream, soundly rejected as a unique
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# problem for GKI to solve. It should be noted that these extensions are
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# in-effect deprecated and generally unsupported and we should pressure
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# the SOC vendors to drop any modules that require these extensions.
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config GKI_LEGACY_WEXT_ALLCONFIG
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bool "Hidden wireless extension configs needed for GKI"
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select WIRELESS_EXT
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select WEXT_CORE
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select WEXT_PROC
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select WEXT_SPY
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select WEXT_PRIV
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help
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Dummy config option used to enable all the hidden legacy wireless
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extensions to the core wireless network functionality used by
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add-in modules.
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If you are not building a kernel to be used for a variety of
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out-of-kernel built wireless modules, say N here.
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# Atrocities needed for
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# a) building GKI modules in separate tree, or
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# b) building drivers that are not modularizable
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#
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# All of these should be reworked into an upstream solution
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# if possible.
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#
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config GKI_HACKS_TO_FIX
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bool "GKI Dummy config options"
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select GKI_HIDDEN_DRM_CONFIGS
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select GKI_HIDDEN_REGMAP_CONFIGS
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select GKI_HIDDEN_SND_SOC_CONFIGS
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select GKI_HIDDEN_GPIO_CONFIGS
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select GKI_LEGACY_WEXT_ALLCONFIG
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help
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Dummy config option used to enable core functionality used by
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modules that may not be selectable in this config.
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Unless you are building a GKI kernel to be used with modules
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built from a different config, say N here.
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