From: Wolfram Sang <wsa@the-dreams.de>
To: Peter Rosin <peda@axentia.se>
Cc: Adrian Fiergolski <adrian.fiergolski@cern.ch>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/2] i2c: add i2c_get_device_id() to get the standard i2c device id
Date: Mon, 5 Mar 2018 16:51:11 +0100 [thread overview]
Message-ID: <20180305155111.ihlt4hn4yz3igo3z@ninjato> (raw)
In-Reply-To: <20180122113657.32094-2-peda@axentia.se>
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On Mon, Jan 22, 2018 at 12:36:56PM +0100, Peter Rosin wrote:
> Can be used during probe to double check that the probed device is
> what is expected.
>
> Loosely based on code from Adrian Fiergolski <adrian.fiergolski@cern.ch>.
>
> Signed-off-by: Peter Rosin <peda@axentia.se>
In general, nice! I wanted to have such a function in the core but never
had a device to test it with. So, much appreciated.
Looks mostly good, except...
> + ret = i2c_smbus_xfer(adap, I2C_ADDR_DEVICE_ID, client->flags,
We shouldn't pass the flag of the clients (like PEC) here. I'd think it
could be plain 0 but please double-check.
> +/**
> + * struct i2c_device_identity - i2c client device identification
> + * @manufacturer_id: 0 - 4095, database maintained by NXP
> + * @part_id: 0 - 511, according to manufacturer
> + * @die_revision: 0 - 7, according to manufacturer
> + */
All is nicely documented, very good!
About the upstreaming procedure: Could you just make a seperate
pull-request out of this feature? I'll pull that in to have it in my
tree and you can still collect patches in your usual for-next branch.
When the above is fixed you can add my:
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
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next prev parent reply other threads:[~2018-03-05 15:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-22 11:36 [RFC PATCH 0/2] check I2C device id for pca984x chips Peter Rosin
2018-01-22 11:36 ` [RFC PATCH 1/2] i2c: add i2c_get_device_id() to get the standard i2c device id Peter Rosin
2018-03-04 21:47 ` Peter Rosin
2018-03-05 15:51 ` Wolfram Sang [this message]
2018-03-05 16:06 ` Peter Rosin
2018-03-05 16:27 ` Wolfram Sang
2018-01-22 11:36 ` [RFC PATCH 2/2] i2c: mux: pca954x: verify the device id of the pca984x chips Peter Rosin
2018-03-05 15:53 ` Wolfram Sang
2018-03-05 15:55 ` Peter Rosin
2018-03-05 16:29 ` Wolfram Sang
2018-01-26 16:33 ` [RFC PATCH 0/2] check I2C device id for " Adrian Fiergolski
2018-01-27 8:37 ` Peter Rosin
2018-01-29 17:38 ` Adrian Fiergolski
2018-02-01 14:41 ` Peter Rosin
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