Re: [PATCH V2] serial: qcom_geni_serial: To correct QUP Version detection logic

From: Greg Kroah-Hartman
Date: Tue Aug 11 2020 - 04:23:22 EST


On Tue, Aug 11, 2020 at 01:13:14PM +0530, Paras Sharma wrote:
> The current implementation reduces the sampling rate by half
> if qup HW version greater is than 2.5 by checking if the geni
> SE major version is greater than 2 and geni SE minor version
> is greater than 5.
>
> This implementation fails when the version is 3 or greater.
>
> Hence by adding the another check for geni SE major version,
> this problem can be solved.
>
> Signed-off-by: Paras Sharma <parashar@xxxxxxxxxxxxxx>
> ---
> drivers/tty/serial/qcom_geni_serial.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Should this go to stable kernels? If so, how far back? What git commit
id is this patch fixing? And if so, why not put a Fixes: tag on this as
well?

thanks,

greg k-h