On Sat, Oct 26, 2019 at 4:46 PM Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> wrote: > > at least on bananapi-r2 we have only 1 IRQ and need to > check for IRQ-count to fix following Errors during probe: > > [ 4.935780] mt6577-uart 11004000.serial: IRQ index 1 not found > [ 4.962589] 11002000.serial: ttyS1 at MMIO 0x11002000 (irq = 202, base_baud = 1625000) is a ST16650V2 > [ 4.972127] mt6577-uart 11002000.serial: IRQ index 1 not found > [ 4.998927] 11003000.serial: ttyS2 at MMIO 0x11003000 (irq = 203, base_baud = 1625000) is a ST16650V2 > [ 5.008474] mt6577-uart 11003000.serial: IRQ index 1 not found > > based on Patch from Anson Huang > https://patchwork.ozlabs.org/patch/1164500/ The solution that was accepted for this case was to use platform_get_irq_optional() instead. You could try using platform_get_irq_optional() here as well.
