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: 18+ 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 12:38 ` kernel test robot
2020-08-26 12:56 ` kernel test robot
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