On Wed, Sep 02, 2020 at 11:26:51AM +0530, Paras Sharma wrote: > The current implementation reduces the sampling rate by half > if qup HW version is 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 new implementation checks if version is greater than or equal > to 0x20050000 which would work for any future version. > > Signed-off-by: Paras Sharma <parashar@xxxxxxxxxxxxxx> > --- > drivers/tty/serial/qcom_geni_serial.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Is this a v2 patch? What changed from the first one? > > diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c > index f0b1b47..e18b431 100644 > --- a/drivers/tty/serial/qcom_geni_serial.c > +++ b/drivers/tty/serial/qcom_geni_serial.c > @@ -1000,7 +1000,7 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport, > sampling_rate = UART_OVERSAMPLING; > /* Sampling rate is halved for IP versions >= 2.5 */ > ver = geni_se_get_qup_hw_version(&port->se); > - if (GENI_SE_VERSION_MAJOR(ver) >= 2 && GENI_SE_VERSION_MINOR(ver) >= 5) > + if (ver >= 0x20050000) That's an odd "magic value", can't you use the existing macros to define this somehow so it makes sense? thanks, greg k-h