Hi Peter, On Fri, Jul 17, 2015 at 09:34:31AM -0400, Peter Hurley wrote: > On 07/16/2015 04:29 AM, Joerg Roedel wrote: > > From: Joerg Roedel <jroedel@xxxxxxx> > > > > The XR17V35X UART needs the ECB bit set in its XR_EFR > > register to enable access to IER [7:5], ISR [5:4], FCR[5:4], > > MCR[7:5], and MSR [7:0]. > > > > Also reset the IER register to mask interrupts after access > > to all bits of this register has been enabled. > > > > This makes my 8-port XR17V35X working with the in-kernel > > serial driver. > > Reviewed-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> Thanks for your review. > Also, would you please find out what bits are set in the IER > that this fixes and let me know? I don't have this hardware. Unfortunatly I put the card back into a production machine and can't easily check this anymore. But I'll let you know when I update the kernel on the box next time. Joerg -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html