From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Wolfram Sang <wsa@kernel.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-i2c@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: Re: [PATCH 1/2] i2c: consider devices with of_match_table during i2c device probing
Date: Wed, 26 Aug 2020 19:38:07 +0900 [thread overview]
Message-ID: <20200826103807.GD8849@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <20200826102411.GC8849@jagdpanzerIV.localdomain>
On (20/08/26 19:24), Sergey Senozhatsky wrote:
> > But then the question is why we have this code in the ->probe() at all?
> > ->match() is run before probe by bus core, no?
>
> That's a good question.
Everything seem to be working OK on my test board with this patch:
---
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 5ec082e2039d..77eea5c0bc71 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -475,17 +475,6 @@ static int i2c_device_probe(struct device *dev)
driver = to_i2c_driver(dev->driver);
- /*
- * An I2C ID table is not mandatory, if and only if, a suitable OF
- * or ACPI ID table is supplied for the probing device.
- */
- if (!driver->id_table &&
- !acpi_driver_match_device(dev, dev->driver) &&
- !i2c_of_match_device(dev->driver->of_match_table, client)) {
- status = -ENODEV;
- goto put_sync_adapter;
- }
-
if (client->flags & I2C_CLIENT_WAKE) {
int wakeirq;
next prev parent reply other threads:[~2020-08-26 10:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 4:29 [PATCH 1/2] i2c: consider devices with of_match_table during i2c device probing Sergey Senozhatsky
2020-08-26 4:29 ` [PATCH 2/2] i2c: do not export i2c_of_match_device() symbol Sergey Senozhatsky
2020-08-26 5:07 ` [PATCH 1/2] i2c: consider devices with of_match_table during i2c device probing Sergey Senozhatsky
2020-08-26 5:08 ` Wolfram Sang
2020-08-26 5:25 ` Sergey Senozhatsky
2020-08-26 9:53 ` Andy Shevchenko
2020-08-26 9:56 ` Andy Shevchenko
2020-08-26 10:24 ` Sergey Senozhatsky
2020-08-26 10:38 ` Sergey Senozhatsky [this message]
2020-08-26 10:54 ` Andy Shevchenko
2020-08-26 11:23 ` Wolfram Sang
2020-08-26 14:18 ` Sergey Senozhatsky
2020-08-26 14:34 ` Andy Shevchenko
2020-08-26 14:50 ` Sergey Senozhatsky
2020-08-26 10:09 ` Sergey Senozhatsky
2020-08-26 7:19 ` kernel test robot
2020-08-26 7:19 ` kernel test robot
2020-08-26 12:38 ` kernel test robot
2020-08-26 12:38 ` kernel test robot
2020-08-26 12:56 ` kernel test robot
2020-08-26 12:56 ` kernel test robot
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=20200826103807.GD8849@jagdpanzerIV.localdomain \
--to=sergey.senozhatsky@gmail.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.westerberg@linux.intel.com \
--cc=wsa@kernel.org \
/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.