Messages in this thread | | | Subject | Re: [PATCH V6] serial: qcom_geni_serial: To correct QUP Version detection logic | From | Akash Asthana <> | Date | Wed, 30 Sep 2020 12:18:14 +0530 |
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On 9/30/2020 11:35 AM, Paras Sharma wrote: > For QUP IP versions 2.5 and above the oversampling rate is > halved from 32 to 16. > > Commit ce734600545f ("tty: serial: qcom_geni_serial: Update > the oversampling rate") is pushed to handle this scenario. > But the existing logic is failing to classify QUP Version 3.0 > into the correct group ( 2.5 and above). > > As result Serial Engine clocks are not configured properly for > baud rate and garbage data is sampled to FIFOs from the line. > > So, fix the logic to detect QUP with versions 2.5 and above. > > Fixes: ce734600545f ("tty: serial: qcom_geni_serial: Update the oversampling rate") > Signed-off-by: Paras Sharma <parashar@codeaurora.org> Reviewed-by: Akash Asthana <akashast@codeaurora.org>
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