mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: November spi changes
Date: Mon, 6 Jan 2014 10:20:51 +0100	[thread overview]
Message-ID: <20140106092051.GE24559@pengutronix.de> (raw)
In-Reply-To: <20131225120233.367089bd40dc188f67cd58a6@gmail.com>

Hi Antony,

> 
> If I rebase Atheros 933x over barebox-2013.12.0 then I get
> "Ooops" in get_param_by_name(dev=spi, name=size)
> 
> =========================================
> Board: TP Link WR720N
> m25p80 m25p800: s25sl032p (4096 Kbytes)
> register_device: already registered spi

This seems to be your problem,

> 
> Ooops, TLB miss on load or ifetch!

This probably results from add_mtd_device() failling to check the return
value of register_device() properly.

> =========================================================
> static struct flash_platform_data spi_boot_flash_data = {
> 	.name		= "spi",
> 	.type		= "s25sl032p",
> };
> =========================================================
> 
> to
> 
> =========================================================
> static struct flash_platform_data spi_boot_flash_data = {
> 	.name		= "spi0",
> 	.type		= "s25sl032p",
> };
> =========================================================

The .name field defines the device filename under /dev. I would use
something like "spiflash0" here. "spi" or "spi0" sounds more like a spi
bus and in fact the it's already used by the spi bus.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

      reply	other threads:[~2014-01-06  9:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-25  8:02 Antony Pavlov
2014-01-06  9:20 ` Sascha Hauer [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140106092051.GE24559@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=antonynpavlov@gmail.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox