qemu serial: lost tx irqs (affecting FreeBSD's new uart(4) driver)
Well one problem seems to be the rx condition, ... if ((s->ier & UART_IER_RDI) && (s->lsr & UART_LSR_DR)) is not enough to trigger an irq, yet still causes the following conditions not to be checked anymore at all. Signed-off-by: NJuergen Lock <nox@jelal.kn-bremen.de> Acked-by: NJan Kiszka <jan.kiszka@web.de> Acked-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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