From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/6] mc13xxx: Define maximum SPI clock frequency global to driver
Date: Fri, 20 Jul 2012 10:11:36 +0200 [thread overview]
Message-ID: <20120720081136.GQ30009@pengutronix.de> (raw)
In-Reply-To: <1342771521.408579760@f31.mail.ru>
On Fri, Jul 20, 2012 at 12:05:21PM +0400, Alexander Shiyan wrote:
> >
> > The values indeed look quite arbitrary, but it may be that a hardware
> > design does not support such high frequencies. Maybe better
> >
> > if (!mc_dev->spi->max_speed_hz)
> > mc_dev->spi->max_speed_hz = 20000000
> >
> > ?
> On my opinion, tests for supported speed, is work for SPI-driver, not for device driver.
> Is not it?
So you mean that the i.MX spi drivers platform data should have a
maximum speed field instead of the client drivers? Sounds good.
In this case we can apply the patch.
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
next prev parent reply other threads:[~2012-07-20 8:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-19 15:30 Alexander Shiyan
2012-07-19 15:30 ` [PATCH 2/6] i.MX: Removed unused declaration for imx_iim_get_mac Alexander Shiyan
2012-07-19 15:30 ` [PATCH 3/6] mc13xxx: Added dummy definition for mc13xxx_get() if CONFIG_MFD_MC13XXX is not set Alexander Shiyan
2012-07-19 17:56 ` Sascha Hauer
2012-07-20 8:08 ` Re[2]: " Alexander Shiyan
2012-07-19 15:30 ` [PATCH 4/6] tx51: Unused mc13xxx.h include removed Alexander Shiyan
2012-07-19 15:30 ` [PATCH 5/6] PCM970: Add MMC support Alexander Shiyan
2012-07-19 15:30 ` [PATCH 6/6] PCM038: Read UID from fuses and pass this value to kernel as serial number Alexander Shiyan
2012-07-19 18:12 ` Sascha Hauer
2012-07-19 18:48 ` Re[2]: " Alexander Shiyan
2012-07-19 18:49 ` Alexander Shiyan
2012-07-19 17:55 ` [PATCH 1/6] mc13xxx: Define maximum SPI clock frequency global to driver Sascha Hauer
2012-07-20 8:05 ` Re[2]: " Alexander Shiyan
2012-07-20 8:11 ` Sascha Hauer [this message]
2012-07-20 8:17 ` Alexander Shiyan
2012-07-20 7:46 ` Sascha Hauer
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=20120720081136.GQ30009@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=barebox@lists.infradead.org \
--cc=shc_work@mail.ru \
/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