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Date: Thu, 29 Jan 2009 13:43:02 +0100 (CET) From: Jan Engelhardt <jengelh@...ozas.de> To: Pazzo Da Legare <pazzodalegare@...il.com> cc: linux-kernel@...r.kernel.org Subject: Re: how to change serial device<->port association On Thursday 2009-01-29 12:02, Pazzo Da Legare wrote: >Dear ML, > >how can I instruct the kernel (if possible) to map a certain serial >port to a specific device ttySx? >I have 4 16550 ports and kernel ( the driver, I suppose) say to me: > >Serial: 8250/16550 driver $Revision: 1.90 $ 6 ports, IRQ sharing disabled >serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A >serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A >serial8250: ttyS2 at I/O 0x3e8 (irq = 4) is a NS16550A >serial8250: ttyS3 at I/O 0x2e8 (irq = 3) is a NS16550A >00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A >00:09: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A >00:0b: ttyS2 at I/O 0x3e8 (irq = 10) is a NS16550A >00:0c: ttyS3 at I/O 0x2e8 (irq = 11) is a NS16550A > >I would like to change the map ttySx -> I/O port. I try with setserial >but it doesn't work....Any clue? If you want to access ttyS4, etc. you need to increase CONFIG_SERIAL_8250_NR_UARTS. I found that using setserial(8) to change ports for an existing ttyS[0-3] has no effects. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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