linux-kernel - Re: [RFT PATCH v5] serial: samsung: Removes the IRQ not found warning

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Date:   Mon, 10 Aug 2020 16:15:26 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Tamseel Shams <m.shams@...sung.com>
Cc:     kgene@...nel.org, gregkh@...uxfoundation.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: [RFT PATCH v5] serial: samsung: Removes the IRQ not found warning

On Mon, Aug 10, 2020 at 08:30:21AM +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 false-positive error:
> "IRQ index 1 not found" on newer SoC's.
> 
> This patch adds the condition to check for Tx interrupt
> only for the those SoC's which have 2 interrupt lines.
> 
> Signed-off-by: Tamseel Shams <m.shams@...sung.com>
> ---
> Commit message is changed.
> 
> Added RFT, for older platform.
>  
> Addressed Krzysztof's review comments [1]
> [1] -> https://lkml.org/lkml/2020/7/21/150
> 
>  drivers/tty/serial/samsung_tty.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof