Hi On 10.08.2020 05:00, 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@xxxxxxxxxxx> Indeed, it removes the warning on various Exynos{3,4,5} based boards. Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > > ... Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland