From: Wolfram Sang <wsa@the-dreams.de>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Jiri Kosina <jikos@kernel.org>,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
linux-input@vger.kernel.org, linux-i2c@vger.kernel.org
Subject: Re: [PATCH 1/2] i2c: core: Allow the driver to override the default i2c_bus match behavior
Date: Mon, 14 Aug 2017 23:21:15 +0200 [thread overview]
Message-ID: <20170814212115.GA5142@katana> (raw)
In-Reply-To: <de6bf483-9ef4-522b-507d-272f736bcabc@redhat.com>
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On Mon, Aug 14, 2017 at 10:13:23PM +0200, Hans de Goede wrote:
> Hi,
>
> On 22-07-17 20:55, Hans de Goede wrote:
> >Some ACPI devices report multiple ids for a single i2c_client, while not
> >really implementing the hw-interface asociated with some of these ids.
> >
> >For some of these devices calling probe and having probe fail with
> >-ENODEV is a problem in itself as this causes the device to be
> >powered-up and down again (causes its PS0 and PS3 ACPI methods to be
> >executed) which puts some devices in an unusable state.
> >
> >This commit adds a match callback to i2c_driver, allowing drivers to
> >override the default i2c_bus match behavior and tell the core they
> >are not the right driver for the device, avoiding i2c_bus_type.probe
> >getting called, avoiding the undesirable power up / down cycle.
> >
> >Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>
> What is the status of this series ? I thought there was agreement
> on merging this through the i2c (wsa/linux.git) tree ?
Yes, but I need to review the I2C core changes first.
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prev parent reply other threads:[~2017-08-14 21:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-22 18:55 [PATCH 1/2] i2c: core: Allow the driver to override the default i2c_bus match behavior Hans de Goede
2017-07-22 18:55 ` [PATCH 2/2] HID: i2c-hid: Do not bind to CHPN0001 touchscreen Hans de Goede
2017-07-24 8:19 ` Benjamin Tissoires
2017-07-25 12:58 ` Jiri Kosina
2017-07-25 13:46 ` Wolfram Sang
2017-07-25 13:58 ` Jiri Kosina
2017-08-17 19:39 ` Wolfram Sang
2017-08-17 22:15 ` Dmitry Torokhov
2017-08-28 13:04 ` Hans de Goede
2017-08-28 16:31 ` Dmitry Torokhov
2017-08-28 16:46 ` Hans de Goede
2017-08-28 12:44 ` Hans de Goede
2017-08-28 12:50 ` Hans de Goede
2017-08-29 8:37 ` Hans de Goede
2017-08-29 8:51 ` Wolfram Sang
2017-08-14 20:13 ` [PATCH 1/2] i2c: core: Allow the driver to override the default i2c_bus match behavior Hans de Goede
2017-08-14 21:21 ` Wolfram Sang [this message]
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