linux-kernel - [PATCH] arm64: defconfig: Enable Qualcomm Command DB driver

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Message-Id: <20201103010850.757500-1-bjorn.andersson@linaro.org>
Date:   Mon,  2 Nov 2020 17:08:50 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, john.stultz@...aro.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: [PATCH] arm64: defconfig: Enable Qualcomm Command DB driver

The Qualcomm Command DB driver seems to have been indirectly enabled by
the Qualcomm DRM driver and up until the introduction of '778279f4f5e4
("soc: qcom: cmd-db: allow loading as a module")' this resulted in the
driver "always" being builtin on arm64. But with the introduction of
said change it, and all other RPMH related drivers, becomes =m.

The immediate result is that the uart driver fails to probe, which
depending on userspace's dependency on the presence of /dev/console
might be fatal. For systems getting past this the default timeout of 0
seconds for probe deferral of many subsystems causes the system to be
completely useless.

So, make Command DB builtin.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 5cfe3cf6f2ac..9e0f664461f4 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -930,6 +930,7 @@ CONFIG_RASPBERRYPI_POWER=y
 CONFIG_FSL_DPAA=y
 CONFIG_FSL_MC_DPIO=y
 CONFIG_QCOM_AOSS_QMP=y
+CONFIG_QCOM_COMMAND_DB=y
 CONFIG_QCOM_GENI_SE=y
 CONFIG_QCOM_RMTFS_MEM=m
 CONFIG_QCOM_RPMH=y
-- 
2.28.0