lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Sat, 18 Oct 2014 13:14:16 +0100
From:	Jonathan Cameron <>
To:	Lars-Peter Clausen <>,
	"Ivan T. Ivanov" <>
CC:	Sachin Kamat <>,
	Srinivas Pandruvada <>,
	John Stultz <>,,,,
Subject: Re: [PATCH] iio: inkern: Add of_xlate function to struct iio_dev

On 18/10/14 12:50, Lars-Peter Clausen wrote:
> On 10/18/2014 01:42 PM, Jonathan Cameron wrote:
>> On 02/10/14 13:32, Ivan T. Ivanov wrote:
>>> When #iio-cells is greater than '0', the driver could provide
>>> a custom of_xlate function that reads the *args* and returns
>>> the appropriate index in registered IIO channels array.
>>> Add simple translation function, suitable for the most 1:1
>>> mapped channels in IIO chips, and use it when driver did not
>>> provide custom implementation.
>>> Signed-off-by: Ivan T. Ivanov <>
>> Any more comments on this?  Been sat a while and the discussions seems
>> to have died out.
>> As Ivan has pointed out, very similar approaches are used
>> elsewhere (gpio for example).
> Looks good to me:
> Reviewed-by: Lars-Peter Clausen <>
> When we initially added the DT support to IIO I was hoping that we can get away
> with just using the simple and generic xlate function for all devices. But it
> looks as if some more complex devices need to overwrite it. We should be careful
> about adding new driver specific xlate implementations and make sure that it is
> actually needed.
> One thing we might want to consider though is instead of adding the xlate
> callback to the iio_dev struct add it to the iio_info struct since it should be
> the same for different device instances of the same driver. And this is also
> where all the other callbacks are.
Good point - would definitely prefer that.

> - Lars
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists