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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] parent fixups
Date: Mon, 15 Aug 2011 17:50:38 +0200	[thread overview]
Message-ID: <20110815155038.GU31404@pengutronix.de> (raw)
In-Reply-To: <20110815091406.GD32705@game.jcrosoft.org>

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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  reply	other threads:[~2011-08-15 15:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-15  8:46 Sascha Hauer
2011-08-15  8:46 ` [PATCH 1/7] mci: embed mci_dev into mci_host instead of allocating it seperately Sascha Hauer
2011-08-15  8:46 ` [PATCH 2/7] net: make the ethernet device a child of the hardware device Sascha Hauer
2011-08-15  8:46 ` [PATCH 3/7] net mii: add a parent pointer to miidevs and set it to " Sascha Hauer
2011-08-15  8:46 ` [PATCH 4/7] console: make console device a child of " Sascha Hauer
2011-08-15  8:46 ` [PATCH 5/7] mci: parent fixups Sascha Hauer
2011-08-16 15:39   ` Jean-Christophe PLAGNIOL-VILLARD
2011-08-15  8:46 ` [PATCH 6/7] spi: make the spi devices children of the parent bus Sascha Hauer
2011-08-15  8:46 ` [PATCH 7/7] devinfo: beautify output Sascha Hauer
2011-08-15  9:14 ` [PATCH] parent fixups Jean-Christophe PLAGNIOL-VILLARD
2011-08-15 15:50   ` Sascha Hauer [this message]
2011-08-16  5:29     ` Jean-Christophe PLAGNIOL-VILLARD
2011-08-16  5:36 ` [PATCH 1/4] device: update id support to allow device without id Jean-Christophe PLAGNIOL-VILLARD
2011-08-18  5:26   ` Sascha Hauer
2011-08-18  6:27     ` Jean-Christophe PLAGNIOL-VILLARD
2011-08-16  5:36 ` [PATCH 2/4] add bus registration support Jean-Christophe PLAGNIOL-VILLARD
2011-08-18  5:14   ` Sascha Hauer
2011-08-16  5:36 ` [PATCH 3/4] platform_bus: add registrattion to bus Jean-Christophe PLAGNIOL-VILLARD
2011-08-16  5:36 ` [PATCH 4/4] switch all device/driver to platform_device/driver_(un)register Jean-Christophe PLAGNIOL-VILLARD

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