[RFC 1/8] serial:st-asc: Add ST ASC driver.

Greg KH gregkh at linuxfoundation.org
Sat May 11 01:23:55 EST 2013


On Fri, May 10, 2013 at 04:45:15PM +0200, Ben Dooks wrote:
> On 08/05/13 17:34, Greg KH wrote:
> >On Wed, May 08, 2013 at 04:34:43PM +0200, Arnd Bergmann wrote:
> >>>+#define ASC_MAJOR		204
> >>>+#define ASC_MINOR_START		40
> >>
> >>I don't know what the current policy is on allocating major/minor numbers,
> >>but I'm sure you cannot just reuse one that is already used.
> >
> >I agree, why are you trying to create a new tty device name?  Can't you
> >use the existing ttyS name and minor number as you will not have any
> >other type of serial device on this system?
> 
> This would be an issue on systems that either accept plug-in cards
> such as PCMCIA/CardBus/PCI or have additional off SoC IO spaces
> where 8250 compatible UARTS could live.

I thought these were set-top box systems that couldn't accept any
plug-in cards or anything else?  This is a SoC, right?

thanks,

greg k-h


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