From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Daniel Scally <djrscally@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-i2c@vger.kernel.org,
platform-driver-x86@vger.kernel.org, devel@acpica.org,
rjw@rjwysocki.net, lenb@kernel.org, andy@kernel.org,
mika.westerberg@linux.intel.com, linus.walleij@linaro.org,
bgolaszewski@baylibre.com, wsa@kernel.org, lee.jones@linaro.org,
hdegoede@redhat.com, mgross@linux.intel.com,
robert.moore@intel.com, erik.kaneda@intel.com,
andriy.shevchenko@linux.intel.com,
laurent.pinchart@ideasonboard.com,
kieran.bingham@ideasonboard.com
Subject: Re: [PATCH v2 3/7] i2c: i2c-core-base: Use format macro in i2c_dev_set_name()
Date: Mon, 18 Jan 2021 11:42:38 +0200 [thread overview]
Message-ID: <20210118094238.GW11878@paasikivi.fi.intel.com> (raw)
In-Reply-To: <20210118094158.GV11878@paasikivi.fi.intel.com>
On Mon, Jan 18, 2021 at 11:41:58AM +0200, Sakari Ailus wrote:
> Hi Daniel,
>
> On Mon, Jan 18, 2021 at 12:34:24AM +0000, Daniel Scally wrote:
> > Some places in the kernel allow users to map resources to a device
> > using device name (for example, gpiod_lookup_table). Currently
> > this involves waiting for the i2c_client to have been registered so we
> > can use dev_name(&client->dev). We want to add a function to allow users
> > to refer to an i2c device by name before it has been instantiated, so
> > create a macro for the format that's accessible outside the i2c layer
> > and use it in i2c_dev_set_name()
> >
> > Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > Signed-off-by: Daniel Scally <djrscally@gmail.com>
> > ---
> > - Used format macro in i2c_dev_set_name() instead of sub func
> >
> > drivers/i2c/i2c-core-base.c | 4 ++--
> > include/linux/i2c.h | 3 +++
> > 2 files changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
> > index 63ebf722a424..547b8926cac8 100644
> > --- a/drivers/i2c/i2c-core-base.c
> > +++ b/drivers/i2c/i2c-core-base.c
> > @@ -811,12 +811,12 @@ static void i2c_dev_set_name(struct i2c_adapter *adap,
> > struct acpi_device *adev = ACPI_COMPANION(&client->dev);
> >
> > if (info && info->dev_name) {
> > - dev_set_name(&client->dev, "i2c-%s", info->dev_name);
> > + dev_set_name(&client->dev, I2C_DEV_NAME_FORMAT, info->dev_name);
> > return;
> > }
> >
> > if (adev) {
> > - dev_set_name(&client->dev, "i2c-%s", acpi_dev_name(adev));
> > + dev_set_name(&client->dev, I2C_DEV_NAME_FORMAT, acpi_dev_name(adev));
>
> Over 80, please wrap.
>
> With that,
>
> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Or rather:
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
>
> > return;
> > }
> >
> > diff --git a/include/linux/i2c.h b/include/linux/i2c.h
> > index 56622658b215..4d40a4b46810 100644
> > --- a/include/linux/i2c.h
> > +++ b/include/linux/i2c.h
> > @@ -39,6 +39,9 @@ enum i2c_slave_event;
> > typedef int (*i2c_slave_cb_t)(struct i2c_client *client,
> > enum i2c_slave_event event, u8 *val);
> >
> > +/* I2C Device Name Format - to maintain consistency outside the i2c layer */
> > +#define I2C_DEV_NAME_FORMAT "i2c-%s"
> > +
> > /* I2C Frequency Modes */
> > #define I2C_MAX_STANDARD_MODE_FREQ 100000
> > #define I2C_MAX_FAST_MODE_FREQ 400000
> > --
> > 2.25.1
> >
>
> --
> Sakari Ailus
--
Sakari Ailus
next prev parent reply other threads:[~2021-01-18 10:34 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 0:34 [PATCH v2 0/7] Introduce intel_skl_int3472 driver Daniel Scally
2021-01-18 0:34 ` [PATCH v2 1/7] acpi: utils: move acpi_lpss_dep() to utils Daniel Scally
2021-01-18 7:24 ` Laurent Pinchart
2021-01-18 8:31 ` Daniel Scally
2021-01-18 12:29 ` Andy Shevchenko
2021-01-18 12:35 ` Daniel Scally
2021-01-18 12:28 ` Andy Shevchenko
2021-01-18 16:06 ` Rafael J. Wysocki
2021-01-18 16:42 ` Andy Shevchenko
2021-01-18 0:34 ` [PATCH v2 2/7] acpi: utils: Add function to fetch dependent acpi_devices Daniel Scally
2021-01-18 7:34 ` Laurent Pinchart
2021-01-18 8:37 ` Daniel Scally
2021-01-18 12:33 ` Andy Shevchenko
2021-01-18 13:37 ` Daniel Scally
2021-01-18 16:14 ` Rafael J. Wysocki
2021-01-18 20:51 ` Daniel Scally
2021-01-19 13:15 ` Rafael J. Wysocki
2021-01-19 13:28 ` Daniel Scally
2021-01-21 9:47 ` Daniel Scally
2021-01-21 11:58 ` Rafael J. Wysocki
2021-01-21 12:04 ` Daniel Scally
2021-01-21 14:39 ` Rafael J. Wysocki
2021-01-21 16:34 ` Daniel Scally
2021-01-21 18:08 ` Rafael J. Wysocki
2021-01-21 21:06 ` Daniel Scally
2021-02-02 9:58 ` Daniel Scally
2021-02-02 11:27 ` Andy Shevchenko
2021-02-02 14:02 ` Rafael J. Wysocki
2021-01-18 0:34 ` [PATCH v2 3/7] i2c: i2c-core-base: Use format macro in i2c_dev_set_name() Daniel Scally
2021-01-18 7:28 ` Laurent Pinchart
2021-01-18 12:41 ` Andy Shevchenko
2021-01-18 9:41 ` Sakari Ailus
2021-01-18 9:42 ` Sakari Ailus [this message]
2021-01-18 9:48 ` Wolfram Sang
2021-01-18 12:39 ` Andy Shevchenko
2021-01-18 0:34 ` [PATCH v2 4/7] i2c: i2c-core-acpi: Add i2c_acpi_dev_name() Daniel Scally
2021-01-18 9:18 ` Laurent Pinchart
2021-01-18 13:41 ` Andy Shevchenko
2021-01-19 13:19 ` Rafael J. Wysocki
2021-01-28 9:00 ` Wolfram Sang
2021-01-28 9:15 ` Daniel Scally
2021-01-28 9:17 ` Wolfram Sang
2021-01-28 9:22 ` Daniel Scally
2021-01-18 13:39 ` Andy Shevchenko
2021-01-18 18:43 ` Joe Perches
2021-01-18 18:56 ` Andy Shevchenko
2021-01-18 19:00 ` Joe Perches
2021-01-18 19:01 ` Andy Shevchenko
2021-01-18 0:34 ` [PATCH v2 5/7] gpio: gpiolib-acpi: Export acpi_get_gpiod() Daniel Scally
2021-01-18 7:37 ` Laurent Pinchart
2021-01-18 13:45 ` Andy Shevchenko
2021-01-18 13:46 ` Andy Shevchenko
2021-01-18 21:32 ` Daniel Scally
2021-01-18 0:34 ` [PATCH v2 6/7] platform: x86: Add intel_skl_int3472 driver Daniel Scally
2021-01-18 9:15 ` Laurent Pinchart
2021-01-18 14:46 ` Andy Shevchenko
2021-01-18 21:19 ` Daniel Scally
2021-01-19 0:11 ` Daniel Scally
2021-01-19 6:21 ` Laurent Pinchart
2021-01-19 9:35 ` Andy Shevchenko
2021-01-19 16:49 ` Laurent Pinchart
2021-01-19 9:33 ` Andy Shevchenko
2021-01-19 9:34 ` Daniel Scally
2021-01-19 16:36 ` Laurent Pinchart
2021-01-19 17:43 ` Andy Shevchenko
2021-01-20 4:18 ` Laurent Pinchart
2021-01-20 11:44 ` Andy Shevchenko
2021-01-21 21:08 ` Daniel Scally
2021-01-19 9:24 ` Andy Shevchenko
2021-01-19 10:40 ` Daniel Scally
2021-01-19 11:08 ` Andy Shevchenko
2021-01-19 16:48 ` Laurent Pinchart
2021-01-19 17:51 ` Andy Shevchenko
2021-01-20 4:21 ` Laurent Pinchart
2021-01-20 12:57 ` Andy Shevchenko
2021-01-21 0:18 ` Daniel Scally
2021-02-07 11:00 ` Daniel Scally
2021-02-07 11:56 ` Andy Shevchenko
2021-01-18 20:46 ` Daniel Scally
2021-01-19 6:19 ` Laurent Pinchart
2021-01-19 8:43 ` Daniel Scally
2021-01-19 16:33 ` Laurent Pinchart
2021-01-18 11:12 ` Barnabás Pőcze
2021-01-18 13:51 ` andriy.shevchenko
2021-01-18 14:51 ` Barnabás Pőcze
2021-01-18 15:23 ` andriy.shevchenko
2021-01-18 15:32 ` Hans de Goede
2021-01-18 15:48 ` andriy.shevchenko
2021-01-18 16:00 ` Daniel Scally
2021-01-18 16:03 ` Hans de Goede
2021-01-18 17:05 ` Laurent Pinchart
2021-01-19 10:56 ` Kieran Bingham
2021-01-19 11:11 ` Andy Shevchenko
2021-01-19 11:12 ` Daniel Scally
2021-01-18 0:34 ` [PATCH v2 7/7] mfd: Remove tps68470 MFD driver Daniel Scally
2021-01-18 7:42 ` Laurent Pinchart
2021-01-18 13:53 ` Andy Shevchenko
2021-01-18 20:07 ` Joe Perches
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