From: Roger Quadros <rogerq@ti.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: <rydberg@euromail.se>, <jcbian@pixcir.com.cn>,
<linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<devicetree@vger.kernel.org>
Subject: Re: [PATCH 3/9] Input: pixcir_i2c_ts: Initialize interrupt mode and power mode
Date: Thu, 19 Dec 2013 11:27:13 +0530 [thread overview]
Message-ID: <52B28AB9.5080405@ti.com> (raw)
In-Reply-To: <20131218141408.GC28504@core.coreip.homeip.net>
On 12/18/2013 07:44 PM, Dmitry Torokhov wrote:
> On Wed, Dec 18, 2013 at 02:51:14PM +0530, Roger Quadros wrote:
>> +
>> +static int pixcir_stop(struct pixcir_i2c_ts_data *ts)
>> +{
>> + struct device *dev = &ts->client->dev;
>> + int ret;
>> +
>> + /* disable interrupt generation */
>> + ret = pixcir_int_enable(ts, 0);
>> + if (ret) {
>> + dev_err(dev, "Failed to disable interrupt generation\n");
>> + return ret;
>> + }
>> +
>> + disable_irq(ts->client->irq);
>
> Why do you need to disable IRQ? If you disable interrupt generation in
> the chip I think you only need to call synchronize_irq() to make sure
> it's completed if it happens to be running. Also you need to move the
> code:
Agreed, no need to call disable_irq().
>
> tsdata->exiting = true;
> mb();
>
> here from pixcir_i2c_ts_remove() to make sure handler exits promptly.
>
> You will also need to reset tsdata->exiting in your start method.
>
OK.
cheers,
-roger
next prev parent reply other threads:[~2013-12-19 5:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-18 9:21 [PATCH 0/9] Input: pixcir_i2c_ts: Add Type-B Multitouch support Roger Quadros
2013-12-18 9:21 ` [PATCH 1/9] Input: pixcir_i2c_ts: Add device tree support Roger Quadros
2013-12-18 14:09 ` Dmitry Torokhov
2013-12-19 6:12 ` Roger Quadros
2013-12-18 9:21 ` [PATCH 2/9] Input: pixcir_i2c_ts: Add register definitions Roger Quadros
2013-12-18 14:09 ` Dmitry Torokhov
2013-12-18 9:21 ` [PATCH 3/9] Input: pixcir_i2c_ts: Initialize interrupt mode and power mode Roger Quadros
2013-12-18 14:14 ` Dmitry Torokhov
2013-12-19 5:57 ` Roger Quadros [this message]
2013-12-18 9:21 ` [PATCH 4/9] Input: pixcir_i2c_ts: Use devres managed resource allocations Roger Quadros
2013-12-18 14:15 ` Dmitry Torokhov
2013-12-18 9:21 ` [PATCH 5/9] Input: pixcir_i2c_ts: Get rid of pdata->attb_read_val() Roger Quadros
2013-12-18 14:20 ` Dmitry Torokhov
2013-12-19 5:54 ` Roger Quadros
2013-12-18 9:21 ` [PATCH 6/9] Input: pixcir_i2c_ts: Add chip specific data structure Roger Quadros
2013-12-18 9:21 ` [PATCH 7/9] Input: pixcir_i2c_ts: Implement Type B Multi Touch reporting Roger Quadros
2013-12-18 14:18 ` Dmitry Torokhov
2013-12-19 5:49 ` Roger Quadros
2013-12-21 20:02 ` Henrik Rydberg
2013-12-18 9:21 ` [PATCH 8/9] Input: pixcir_i2c_ts: Add support for TangoC family Roger Quadros
2013-12-18 9:21 ` [PATCH 9/9] Input: pixcir_i2c_ts: Implement wakeup from suspend Roger Quadros
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=52B28AB9.5080405@ti.com \
--to=rogerq@ti.com \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.torokhov@gmail.com \
--cc=jcbian@pixcir.com.cn \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rydberg@euromail.se \
/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;
as well as URLs for NNTP newsgroup(s).