RE: [RFC PATCH] serial: samsung: Re-factors UART IRQ resource for various Samsung SoC

From: M Tamseel Shams
Date: Wed Jun 17 2020 - 12:29:23 EST


Hi Greg,
I will post the patch without RFC tag.

Thanks & Regards
Tamseel

> -----Original Message-----
> From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
> Sent: Monday, June 15, 2020 6:21 PM
> To: Tamseel Shams <m.shams@xxxxxxxxxxx>
> Cc: kgene@xxxxxxxxxx; krzk@xxxxxxxxxx; jslaby@xxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; linux-samsung-soc@xxxxxxxxxxxxxxx; linux-
> serial@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> alim.akhtar@xxxxxxxxxxx
> Subject: Re: [RFC PATCH] serial: samsung: Re-factors UART IRQ resource for
> various Samsung SoC
>
> On Mon, Jun 15, 2020 at 05:56:09PM +0530, Tamseel Shams wrote:
> > In few older Samsung SoCs like s3c2410, s3c2412 and s3c2440, UART IP
> > is having 2 interrupt lines.
> > However, in other SoCs like s3c6400, s5pv210, exynos5433, and
> > exynos4210 UART is having only 1 interrupt line. Due to this,
> > "platform_get_irq(platdev, 1)"
> > call in the driver gives the following warning:
> > "IRQ index 1 not found" on recent platforms.
> >
> > This patch re-factors the IRQ resources handling for each platform and
> > hence fixing the above warnings seen on some platforms.
> >
> > Signed-off-by: Tamseel Shams <m.shams@xxxxxxxxxxx>
> > ---
> > drivers/tty/serial/samsung_tty.c | 20 ++++++++++++++++----
> > 1 file changed, 16 insertions(+), 4 deletions(-)
>
> RFC means "I do not trust this so I don't want anyone to merge it", so
I'll just
> delete it from my queue and wait for you to come up with something that
you
> feel confident with :)
>
> thanks,
>
> greg k-h