From: Wolfram Sang <wsa@the-dreams.de>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
ben-linux@fluff.org, Jean Delvare <khali@linux-fr.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Christian Ruppert <christian.ruppert@abilis.com>
Subject: Re: [5/7] i2c-designware: enable/disable the controller properly
Date: Tue, 9 Apr 2013 11:09:14 +0200 [thread overview]
Message-ID: <20130409090914.GD28509@the-dreams.de> (raw)
In-Reply-To: <1363867800-23861-5-git-send-email-mika.westerberg@linux.intel.com>
> +static void __i2c_dw_enable(struct dw_i2c_dev *dev, bool enable)
> +{
> + int timeout = 100;
> +
> + do {
> + dw_writel(dev, enable, DW_IC_ENABLE);
> + if ((dw_readl(dev, DW_IC_ENABLE_STATUS) & 1) == enable)
> + return;
> +
> + usleep_range(25, 250);
This would wait 25ms max. Is there a timeout value specified in the docs?
> + } while (timeout-- > 0);
while (timeout--)?
next prev parent reply other threads:[~2013-04-09 9:09 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 12:09 [PATCH 1/7] i2c-designware: move to managed functions (devm_*) Mika Westerberg
2013-03-21 12:09 ` [PATCH 3/7] i2c-designware-pci: use managed functions pcim_* and devm_* Mika Westerberg
[not found] ` <1363867800-23861-3-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2013-04-09 9:03 ` [3/7] " Wolfram Sang
2013-04-09 9:03 ` Wolfram Sang
2013-03-21 12:09 ` [PATCH 4/7] i2c-designware: use dynamic adapter numbering on Lynxpoint Mika Westerberg
[not found] ` <1363867800-23861-4-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2013-04-09 9:06 ` [4/7] " Wolfram Sang
2013-04-09 9:06 ` Wolfram Sang
2013-04-09 9:23 ` Mika Westerberg
2013-04-09 9:29 ` Wolfram Sang
[not found] ` <20130409092923.GF3624-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-04-09 9:37 ` Mika Westerberg
2013-04-09 9:37 ` Mika Westerberg
2013-03-21 12:09 ` [PATCH 5/7] i2c-designware: enable/disable the controller properly Mika Westerberg
2013-04-09 9:09 ` Wolfram Sang [this message]
2013-04-09 9:28 ` [5/7] " Mika Westerberg
2013-04-09 9:28 ` Wolfram Sang
[not found] ` <20130409092857.GE3624-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-04-09 9:39 ` Mika Westerberg
2013-04-09 9:39 ` Mika Westerberg
2013-03-21 12:09 ` [PATCH 6/7] i2c-designware: use usleep_range() in the busy-loop Mika Westerberg
2013-03-21 12:10 ` [PATCH 7/7] i2c-designware: switch to use runtime PM autosuspend Mika Westerberg
[not found] ` <1363867800-23861-1-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2013-03-21 12:09 ` [PATCH 2/7] i2c-designware-pci: use dev_err() instead of printk() Mika Westerberg
2013-03-21 12:09 ` Mika Westerberg
2013-04-08 11:04 ` [PATCH 1/7] i2c-designware: move to managed functions (devm_*) Mika Westerberg
2013-04-08 11:04 ` Mika Westerberg
2013-04-09 9:00 ` [1/7] " Wolfram Sang
2013-04-09 9:22 ` Mika Westerberg
2013-04-09 9:20 ` Wolfram Sang
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=20130409090914.GD28509@the-dreams.de \
--to=wsa@the-dreams.de \
--cc=andriy.shevchenko@linux.intel.com \
--cc=ben-linux@fluff.org \
--cc=christian.ruppert@abilis.com \
--cc=khali@linux-fr.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.westerberg@linux.intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.