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

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Message-ID: <000001d644c4$70180730$50481590$@samsung.com>
Date:   Wed, 17 Jun 2020 21:58:42 +0530
From:   "M Tamseel Shams" <m.shams@...sung.com>
To:     "'Greg KH'" <gregkh@...uxfoundation.org>
Cc:     <kgene@...nel.org>, <krzk@...nel.org>, <jslaby@...e.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>,
        <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <alim.akhtar@...sung.com>
Subject: RE: [RFC PATCH] serial: samsung: Re-factors UART IRQ resource for
 various Samsung SoC

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

Thanks & Regards
Tamseel

> -----Original Message-----
> From: Greg KH <gregkh@...uxfoundation.org>
> Sent: Monday, June 15, 2020 6:21 PM
> To: Tamseel Shams <m.shams@...sung.com>
> Cc: kgene@...nel.org; krzk@...nel.org; jslaby@...e.com; linux-arm-
> kernel@...ts.infradead.org; linux-samsung-soc@...r.kernel.org; linux-
> serial@...r.kernel.org; linux-kernel@...r.kernel.org;
> alim.akhtar@...sung.com
> 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@...sung.com>
> > ---
> >  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