On Tue, Apr 19, 2011 at 04:22:00PM -0600, John Linn wrote: > > -----Original Message----- > > From: Alan Cox [mailto:alan@xxxxxxxxxxxxxxxxxxx] > > Sent: Tuesday, April 19, 2011 3:16 PM > > To: John Linn > > Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-serial@xxxxxxxxxxxxxxx > > Subject: Re: [PATCH] tty/serial: add support for Xilinx PS UART > > > > On Tue, 19 Apr 2011 14:14:52 -0600 > > John Linn <john.linn@xxxxxxxxxx> wrote: > > > > > The Xilinx PS Uart is used on the new ARM based SoC. This > > > UART is not compatible with others such that a seperate > > > driver is required. > > > > Joyous. I wish people would standardise. > > > > > + 213 = /dev/ttyPS0 Xilinx PS serial port 0 > > > + 214 = /dev/ttyPS1 Xilinx PS serial port 1 > > > + 215 = /dev/ttyPS2 Xilinx PS serial port 2 > > > + 216 = /dev/ttyPS3 Xilinx PS serial port 3 > > > > Is there a specific reason you need fixed minor numbers ? If not > please > > use a dynamic range and keep Linus happy. > > Hi Alan, > > I hope you don't mind me asking a bit more to better understand. Here's > my > concerns (maybe not valid). > > It seems like since this is a console it can get hard to debug with > dynamic > nodes for this driver. > > This driver is for an embedded device where we don't want to require > udev > or mdev to assign nodes. Why not use devtmpfs? There's no need to use udev or mdev at all. thanks, greg k-h -- 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
