[PATCH v1] serial: msm-geni: configure RX watermark register
Casey Connolly
casey.connolly at linaro.org
Tue May 5 16:14:28 CEST 2026
On Tue, 21 Apr 2026 10:15:55 +0530, Gurumoorthy Santhakumar wrote:
> The SE_GENI_RX_WATERMARK_REG was not being programmed in the RX
> setup paths. Set it to DEF_RX_WM (2) in qcom_geni_serial_start_rx(),
> msm_geni_serial_setup_rx() and _debug_uart_init() to align with the
> Linux kernel driver behaviour.
>
> Without this, the RX FIFO watermark interrupt threshold is left at
> its hardware reset value, which may differ from the expected value
> and can cause RX data loss or missed watermark interrupts.
>
> [...]
Applied, thanks!
[1/1] serial: msm-geni: configure RX watermark register
https://source.denx.de/u-boot/custodians/u-boot-snapdragon/-/commit/5f171c622479
Best regards,
--
// Casey (she/they)
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