On Mon, Jun 03, 2013 at 03:03:10PM -0500, Karthik Manamcheri wrote: > > No worries, I undertand what Karthik is talking about, so I'll try to > > figure this out. > > > > CONFIG_SERIAL_8250_NR_UARTS=32 > > CONFIG_SERIAL_8250_RUNTIME_UARTS=4 > > The description for "CONFIG_SERIAL_8250_RUNTIME_UARTS" is "Set this to the > maximum number of serial ports you want the kernel to register at boot time." > Setting it to 4 means that you want to use 4 legacy ports! If you do not have > any legacy UARTs, you are to set this to 0. > > > > > is what was set in my .config, resulting in: > > > > [3.9.y] > > 0: uart:16550A port:00001030 irq:16 tx:16522 rx:0 RTS|CTS|DTR|CD > > 1: uart:unknown port:000002F8 irq:3 > > 2: uart:unknown port:000003E8 irq:4 > > 3: uart:unknown port:000002E8 irq:3 > > > > [3.10-rc2] > > 0: uart:unknown port:000003F8 irq:4 > > 1: uart:unknown port:000002F8 irq:3 > > 2: uart:unknown port:000003E8 irq:4 > > 3: uart:unknown port:000002E8 irq:3 > > 4: uart:16550A port:00001030 irq:16 tx:16226 rx:0 RTS|CTS|DTR|CD > > You have five ports because you set CONFIG_SERIAL_8250_RUNTIME_UARTS to 4 and > then you have to PCI port. This is exactly what my change addressed. We had > issues with the ghost ports created in the system. In your case, if you set > CONFIG_SERIAL_8250_RUNTIME_UARTS to 0, you'll have just one port which is the > working available port.
But it is now named something differently, which is a regression, and we can't have that, sorry. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
