Linux-ACPI Archive on lore.kernel.org
 help / color / Atom feed
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Hans de Goede <hdegoede@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andy Shevchenko <andy@infradead.org>,
	linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
	platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH v4 13/16] platform/x86: intel_cht_int33fe: Provide software nodes for the devices
Date: Fri, 31 May 2019 16:46:35 +0300
Message-ID: <20190531134635.GE7167@kuha.fi.intel.com> (raw)
In-Reply-To: <9821910.95WSKUoubE@kreacher>

On Fri, May 31, 2019 at 11:10:31AM +0200, Rafael J. Wysocki wrote:
> On Wednesday, May 29, 2019 11:30:58 AM CEST Hans de Goede wrote:
> > Hi,
> > 
> > On 5/22/19 12:51 PM, Heikki Krogerus wrote:
> > > Software nodes provide two features that we will need later.
> > > 1) Software nodes can have references to other software nodes.
> > > 2) Software nodes can exist before a device entry is created.
> > > 
> > > Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> > > ---
> > >   drivers/platform/x86/intel_cht_int33fe.c | 53 ++++++++++++++++++++----
> > >   1 file changed, 45 insertions(+), 8 deletions(-)
> > > 
> > > diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c
> > > index 4ab47d6df413..a4ebd1d6b5b6 100644
> > > --- a/drivers/platform/x86/intel_cht_int33fe.c
> > > +++ b/drivers/platform/x86/intel_cht_int33fe.c
> > > @@ -27,6 +27,13 @@
> > >   
> > >   #define EXPECTED_PTYPE		4
> > >   
> > > +enum {
> > > +	INT33FE_NODE_FUSB302,
> > > +	INT33FE_NODE_MAX17047,
> > > +	INT33FE_NODE_PI3USB30532,
> > > +	INT33FE_NODE_MAX,
> > > +};
> > > +
> > >   struct cht_int33fe_data {
> > >   	struct i2c_client *max17047;
> > >   	struct i2c_client *fusb302;
> > > @@ -72,8 +79,13 @@ static const struct property_entry max17047_props[] = {
> > >   
> > >   static const struct property_entry fusb302_props[] = {
> > >   	PROPERTY_ENTRY_STRING("linux,extcon-name", "cht_wcove_pwrsrc"),
> > > -	PROPERTY_ENTRY_U32("fcs,max-sink-microvolt", 12000000),
> > > -	PROPERTY_ENTRY_U32("fcs,max-sink-microamp",   3000000),
> > > +	{ }
> > > +};
> > > +
> > > +static const struct software_node nodes[] = {
> > > +	{ "fusb302", NULL, fusb302_props },
> > > +	{ "max17047", NULL, max17047_props },
> > > +	{ "pi3usb30532" },
> > >   	{ }
> > >   };
> > >   
> > > @@ -82,14 +94,17 @@ cht_int33fe_register_max17047(struct device *dev, struct cht_int33fe_data *data)
> > >   {
> > >   	struct i2c_client *max17047 = NULL;
> > >   	struct i2c_board_info board_info;
> > > +	struct fwnode_handle *fwnode;
> > >   	int ret;
> > >   
> > > +	fwnode = software_node_fwnode(&nodes[INT33FE_NODE_MAX17047]);
> > > +	if (!fwnode)
> > > +		return -ENODEV;
> > > +
> > >   	i2c_for_each_dev(&max17047, cht_int33fe_check_for_max17047);
> > >   	if (max17047) {
> > >   		/* Pre-existing i2c-client for the max17047, add device-props */
> > > -		ret = device_add_properties(&max17047->dev, max17047_props);
> > > -		if (ret)
> > > -			return ret;
> > > +		max17047->dev.fwnode->secondary = fwnode;
> > 
> > I believe that you should do:
> > 		fwnode->secondary = ERR_PTR(-ENODEV);
> > cht_int33fe_setup_dp
> > Before this call, as you are doing in the cht_int33fe_setup_dp function.
> 
> So I'm inclined to defer this patch until it is improved and queue up the rest of the series.
> 
> I can fix up the typo in the [15/16] while handling it.

Thanks Rafael. I'll send v5, and fix both in any case.

Cheers,

-- 
heikki

  reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-22 10:50 [PATCH v4 00/16] Software fwnode references Heikki Krogerus
2019-05-22 10:50 ` [PATCH v4 01/16] software node: Allow node creation without properties Heikki Krogerus
2019-05-22 10:50 ` [PATCH v4 02/16] software node: Simplify software_node_release() function Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 03/16] software node: Add support for static node descriptors Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 04/16] software node: Use kobject name when finding child nodes by name Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 05/16] software node: Add software_node_get_reference_args() Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 06/16] driver core: Add helper device_find_child_by_name() Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 07/16] ACPI / property: Don't limit named child node matching to data nodes Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 08/16] device property: Introduce fwnode_find_reference() Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 09/16] device connection: Find connections also by checking the references Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 10/16] usb: typec: Registering real device entries for the muxes Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 11/16] platform/x86: intel_cht_int33fe: Register max17047 in its own function Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 12/16] platform/x86: intel_cht_int33fe: Remove unused fusb302 device property Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 13/16] platform/x86: intel_cht_int33fe: Provide software nodes for the devices Heikki Krogerus
2019-05-29  9:30   ` Hans de Goede
2019-05-31  9:10     ` Rafael J. Wysocki
2019-05-31 13:46       ` Heikki Krogerus [this message]
2019-05-22 10:51 ` [PATCH v4 14/16] platform/x86: intel_cht_int33fe: Provide fwnode for the USB connector Heikki Krogerus
2019-05-22 10:51 ` [PATCH v4 15/16] platform/x86: intel_cht_int33fe: Supply fwnodes for the external dependencies Heikki Krogerus
2019-05-29  9:36   ` Hans de Goede
2019-05-22 10:51 ` [PATCH v4 16/16] platform/x86: intel_cht_int33fe: Replacing the old connections with references Heikki Krogerus
2019-05-24 18:44 ` [PATCH v4 00/16] Software fwnode references Andy Shevchenko
2019-05-29  9:29 ` Hans de Goede
2019-05-31 13:42   ` Heikki Krogerus

Reply instructions:

You may reply publically 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=20190531134635.GE7167@kuha.fi.intel.com \
    --to=heikki.krogerus@linux.intel.com \
    --cc=andy@infradead.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=hdegoede@redhat.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=platform-driver-x86@vger.kernel.org \
    --cc=rjw@rjwysocki.net \
    /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

Linux-ACPI Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-acpi/0 linux-acpi/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-acpi linux-acpi/ https://lore.kernel.org/linux-acpi \
		linux-acpi@vger.kernel.org
	public-inbox-index linux-acpi

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-acpi


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git