FORMLIST: arm64: dts: qcom: hamoa-iot-evk: support Bluetooth over both USB and UART#345
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shuaz-shuai wants to merge 1 commit intoqualcomm-linux:qcom-6.18.yfrom
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FORMLIST: arm64: dts: qcom: hamoa-iot-evk: support Bluetooth over both USB and UART#345shuaz-shuai wants to merge 1 commit intoqualcomm-linux:qcom-6.18.yfrom
shuaz-shuai wants to merge 1 commit intoqualcomm-linux:qcom-6.18.yfrom
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…h USB and UART When Bluetooth supports both USB and UART, the BT UART driver is always loaded, while USB is hot-pluggable. As a result, when Bluetooth is used over USB, the UART driver still be probed and drive BT_EN low, which causes the Bluetooth device on USB to be disconnected. Configure BT_EN as a GPIO hog so that it is controlled by the platform instead of the UART driver, preventing BT over USB from being unintentionally powered down. Signed-off-by: Shuai Zhang <[email protected]> Link: https://lore.kernel.org/all/[email protected]/
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When Bluetooth supports both USB and UART, the BT UART driver is always loaded, while USB is hot-pluggable. As a result, when Bluetooth is used over USB, the UART driver still be probed and drive BT_EN low, which causes the Bluetooth device on USB to be disconnected.
Configure BT_EN as a GPIO hog so that it is controlled by the platform instead of the UART driver, preventing BT over USB from being unintentionally powered down.
Link: https://lore.kernel.org/all/[email protected]/
CRs-Fixed: 4464912