RE: [PATCH 1/2] serial: samsung: honor fifosize from dts at first

[Tamseel Shams]

> -----Original Message-----
> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@xxxxxxxxxx]
> Sent: 05 February 2024 13:10
> To: Tamseel Shams <m.shams@xxxxxxxxxxx>; alim.akhtar@xxxxxxxxxxx;
> linux-fsd@xxxxxxxxx; robh+dt@xxxxxxxxxx;
> krzysztof.kozlowski+dt@xxxxxxxxxx; conor+dt@xxxxxxxxxx;
> gregkh@xxxxxxxxxxxxxxxxxxx; jirislaby@xxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-samsung-
> soc@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-serial@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/2] serial: samsung: honor fifosize from dts at first
> 
> On 02/02/2024 22:24, Tamseel Shams wrote:
> > Currently for platforms which passes UART fifosize from DT gets
> > override by local driver structure "s3c24xx_serial_drv_data", which is
> > not indentded. Change the code to honor fifosize from device tree at
> > first.
> >
> > Signed-off-by: Tamseel Shams <m.shams@xxxxxxxxxxx>
> > ---
> >  drivers/tty/serial/samsung_tty.c | 14 ++++++++------
> >  1 file changed, 8 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/tty/serial/samsung_tty.c
> > b/drivers/tty/serial/samsung_tty.c
> > index 71d17d804fda..e4c4c9f4f9b0 100644
> > --- a/drivers/tty/serial/samsung_tty.c
> > +++ b/drivers/tty/serial/samsung_tty.c
> > @@ -1990,8 +1990,7 @@ static int s3c24xx_serial_probe(struct
> platform_device *pdev)
> >  	}
> >
> >  	if (np) {
> > -		of_property_read_u32(np,
> > -			"samsung,uart-fifosize", &ourport->port.fifosize);
> > +		ret = of_property_read_u32(np, "samsung,uart-fifosize",
> > +&ourport->port.fifosize);
> >
> >  		if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
> >  			switch (prop) {
> > @@ -2009,10 +2008,13 @@ static int s3c24xx_serial_probe(struct
> platform_device *pdev)
> >  		}
> >  	}
> >
> > -	if (ourport->drv_data->fifosize[index])
> > -		ourport->port.fifosize = ourport->drv_data->fifosize[index];
> > -	else if (ourport->info->fifosize)
> > -		ourport->port.fifosize = ourport->info->fifosize;
> 
> I think ret is not initialized here.
> 
> 
Thanks for review. Will fix it in the version.


Thanks & Regards
Tamseel Shams