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ANDROID: Kconfig.gki: Add entries for qcom clk drivers

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Add a Kconfig.gki option to enable qcom clk drivers.

This is needed as the qcom clk drivers are also used as power
domain sources. Unfortunately the powerdomain logic stops
returning EPROBE_DEFER when initcall_done is true (after
initcalls, but before modules load). This results in the drivers
(in our case, the smmu which is built in) that depend on the clk
provided power-domain to fail to load.

This issue seems to be due to the following commit, which when
reverted resolve the problem and allows dependent drivers to
still load once the clk modules are loaded:
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e01afc32502555beb2057ddd74401be38475d851

I'm working with the patch author and Bjorn to try to find
a good upstream solution, but in the meantime, set the qcom
clks to =y for now.

Bug: 146449535
Change-Id: Iaf6655a22243335083c0f7b3a673e795cea68021
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
John Stultz 2019-12-17 19:58:47 +00:00 committed by Alistair Delva
parent 609922b0a1
commit ebb5db1010
1 changed files with 13 additions and 0 deletions
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13
init/Kconfig.gki
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@ -56,6 +56,18 @@ config GKI_HIDDEN_QCOM_CONFIGS
These are normally selected implicitely when a module
that relies on it is configured.
config GKI_QCOM_CLKS_CONFIGS
bool "QCOM clk drivers needed for GKI due to powerdomain restrictions"
select COMMON_CLK_QCOM if (ARCH_QCOM)
select QCOM_CLK_RPMH if (ARCH_QCOM)
select SDM_GPUCC_845 if (ARCH_QCOM)
select QCOM_RPMHPD if (ARCH_QCOM)
help
This config option selects various QCOM clk drivers that
cannot be built as a module currently due to power-domain
deferred probing limitations.
See https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e01afc32502555beb2057ddd74401be38475d851
config GKI_HIDDEN_MEDIA_CONFIGS
bool "Hidden Media configs needed for GKI"
select VIDEOBUF2_CORE
@ -101,6 +113,7 @@ config GKI_HACKS_TO_FIX
select GKI_HIDDEN_QCOM_CONFIGS
select GKI_LEGACY_WEXT_ALLCONFIG
select GKI_HIDDEN_MEDIA_CONFIGS
select GKI_QCOM_CLKS_CONFIGS
help
Dummy config option used to enable core functionality used by
modules that may not be selectable in this config.