[PATCH] parent fixups

[Sascha Hauer]

On Mon, Aug 15, 2011 at 11:14:06AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 10:46 Mon 15 Aug     , Sascha Hauer wrote:
> > Hi,
> > 
> > We have a nice devinfo command which can print the devices as a tree.
> > Let's make more use of it and make spi/network/console devices children
> > of the corresponding hardware devices.
> > Also, when a file under /dev/ is associated to a device, print the
> > start and end with the information.
> > 
> > On a i.MX51 babbage board we change from:
> > 
> > devices:
> > |----imx_serial0
> > |----cs0
> > |----mem0 (ram0)
> > |----imx_iim0 (imx_iim_bank0, imx_iim_bank1, imx_iim_bank2, imx_iim_bank3, imx_iim_bank4, imx_iim_bank5, imx_iim_bank6, imx_iim_bank7)
> > |----ramfs0
> > |----devfs0
> > |----mem1 (defaultenv)
> > |----mem2 (mem)
> > |----fec_imx0
> > |----miidev0 (phy0)
> > |----eth0
> > |----imx-esdhc0
> > |----mci0
> > |----disk0
> > |----imx_spi0
> > |----mc13892-spi0 (mc13892)
> > 
> > to this:
> > 
> > devices:
> > `---- imx_serial0
> >      `---- cs0
> > `---- mem0
> >      `---- 0x00000000-0x1fffffff: /dev/ram0
> > `---- imx_iim0
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank0
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank1
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank2
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank3
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank4
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank5
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank6
> >      `---- 0x00000000-0x0000001f: /dev/imx_iim_bank7
> > `---- ramfs0
> > `---- devfs0
> > `---- mem1
> >      `---- 0x00000000-0x00001e08: /dev/defaultenv
> > `---- mem2
> >      `---- 0x00000000-0xfffffffe: /dev/mem
> > `---- fec_imx0
> >      `---- miidev0
> >           `---- 0x00000000-0x0000003f: /dev/phy0
> >      `---- eth0
> > `---- imx-esdhc0
> >      `---- mci0
> >           `---- disk0
> > `---- imx_spi0
> >      `---- mc13892-spi0
> >           `---- 0x00000000-0x000000ff: /dev/mc13892
> can we split tehem by bus?

We can add the bus information above, but I think splitting it by bus
does not look very nice. Also, at the moment barebox does not know which
busses exist since they are not explicitely registered.

Sascha

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